baber/WOPTO huggingface dataset:
Patent JP-2020520641-A (JP)
Title: 悪臭が低減された海洋性タンパク加水分解物組成物
IPC: A23J1/04
Filed: 2018-05-15
Abstract: 本明細書に提示する態様において、コメ抽出物および／または好ましくはリンゴ酸、酒石酸、およびクエン酸から選択される固体酸を用いて海洋性タンパク加水分解物の悪臭を低減または抑制するための方法および組成物を提供する。
Patent JP-2020526375-A (JP)
Title: 触媒及び合成ガスの直接転化に基づく低炭素オレフィンの調製方法
IPC: C07C11/04
Filed: 2018-08-02
Abstract: 本発明は、合成ガスの直接転化に基づく低炭素オレフィンの調製に属し、特に、触媒及び合成ガスの直接転化に基づく低炭素オレフィンの調製方法に関する。該調製方法は、合成ガスを反応原料とし、固定床或は移動床において転化反応を行い、前記触媒は、触媒Ａと触媒Ｂを機械的に混合することで複合させた複合触媒Ａ＋Ｂであり、触媒Ａの活性成分が活性金属酸化物であり、触媒Ｂは酸化物が担持された分子篩であり、担体が多孔質のＡｌ２Ｏ３、ＳｉＯ２、ＴｉＯ２、ＺｒＯ２、ＣｅＯ２、ＭｇＯ、Ｇａ２Ｏ３のうちの一種或は二種以上であり、分子篩の構造がＣＨＡ構造及びＡＥＩ構造の一種或は二種であり、分子篩の容量が４％−４５％ｗｔであり、触媒Ａ中の活性成分と触媒Ｂの重量比が０．１〜２０倍の範囲であり、好ましくは０．３〜５倍である。反応プロセスは、高い低炭素オレフィンの選択性を有し、エチレン、プロピレン、ブテンを含む低炭素オレフィンの選択性の合計が５０〜９０％に達し、副産物のメタンの選択性は１５％未満であり、良い応用の見通しがある。【選択図】なし
Patent JP-2020523016-A (JP)
Title: 免疫療法のための疾患特異的アミノ酸修飾の有用性を予測する方法
IPC: C12N15/11
Filed: 2018-06-01
Abstract: 本発明は、疾患特異的アミノ酸修飾を含むペプチドまたはポリペプチド、特に腫瘍関連ネオ抗原が、ワクチン接種などの免疫療法のために有用なエピトープ、特に腫瘍関連ネオエピトープを含むかどうかを予測する方法に関する。本発明の方法は、特に、患者の腫瘍に特異的なワクチンを提供するため、したがって個別化癌ワクチンに関連して使用され得る。
Patent JP-2020523925-A (JP)
Title: 情報伝送方法及び装置
IPC: H04W24/10
Filed: 2018-06-08
Abstract: 本願は、情報伝送方法及び装置を提供する。当該方法は、測定構成情報を決定するステップであって、前記測定構成情報が少なくとも1つの測定構成パラメータグループを含み、前記少なくとも1つの測定構成パラメータグループの各々が少なくとも1つのセルに対応し、端末装置によって前記少なくとも1つのセルの同期信号ブロックを測定するために使用される、ステップと、前記測定構成情報を前記端末装置に送信するステップと、を含む。本願における技術的ソリューションは、システム効率を改善することができる。
Patent JP-2020523279-A (JP)
Title: フレキシブルコンクリートの乾燥予備混合物、並びにその調製方法及びその使用方法
IPC: C04B14/28
Filed: 2018-06-18
Abstract: 本発明は、総重量に基づいて、４５〜９０重量％のポルトランドセメント；０〜２５重量％の珪質フライアッシュ；０〜２５重量％の石灰石；及び５〜３０重量％のポリビニルアルコール、好ましくはＤ10＝１７０〜２７０μｍ、Ｄ50＝３７０〜４５０μｍ、Ｄ90＝６９０〜８５０μｍ及びＤ100＝１０００〜１３００μｍの粒度分布を有するポリビニルアルコール、を含む、セメント粉末ブレンドに関する。該ＰＶＡが好ましくは、Ｄ10＝１７０〜２７０μｍ、Ｄ50＝３７０〜４５０μｍ、Ｄ90＝６９０〜８５０μｍ、及びＤ100＝１０００〜１３００μｍの粒度分布を有し、並びに、該ＰＶＡが、ＥＮ−ＩＳＯ ３６８１：１９９８によって測定される場合に、１〜２５０ｍｇ ＫＯＨ／ｇの範囲のエステル価を有し、及び／又は、該ＰＶＡが、ＥＮ−ＩＳＯ １２０５８−１：２００２によって測定される場合に、１〜４０ｍＰａ・ｓの範囲の、２０℃で４％水性溶液の粘度を有する。該ＰＶＡの少なくとも実質的な部分が、ポルトランドセメントとポリビニルアルコールとから構成されるハイブリッド粒子の形態で存在する。さらに、本発明は、セメント粉末ブレンド、水及び骨材から構成されるコンクリートに、並びにそれらから作られるフレキシブルコンクリート製品に関する。該セメント粉末ブレンドは、下記の為に使用される−道路若しくは他のインフラストラクチャ要素の舗装を準備する為の；道路若しくは他のインフラストラクチャ要素の為の基礎コースを準備する為の；建物の床を製造する為の；コンクリート構造物の修理の為の；グラウトの為の；又はコンクリート構造物内への注入物としての、セメント粉末ブレンド。【選択図】なし
Patent JP-2020524792-A (JP)
Title: 電磁放射の検出器
IPC: H01L35/32
Filed: 2018-06-20
Abstract: 電磁放射（ＲＬ）の検出器を記載する。検出器は、熱電材料の配向多結晶層（２）と、裏側の面（１０）が配向多結晶層と接触するように、配向多結晶層の上面に重なる基板（１）と、互いに離間し、配向多結晶層と電気的に接触している第１電極及び第２電極とを備える。基板は、少なくとも１つのセラミック層を備え、配向多結晶層が、基板の上側の面の法線に対して、３０度から５５度の間に含まれる角度の結晶方位を有する。【選択図】図１ｃ
Patent JP-2020530317-A (JP)
Title: 経皮的弁置換手技で使用する３つの弁尖設計を有する人工心臓弁
IPC: A61F2/24
Filed: 2018-06-29
Abstract: 経カテーテル人工心臓弁は、ステント・フレームと、ステント・フレームの外側に配置される下側部分及びステント・フレーム内に配置される上縁部分を具備する、管状に形成された弁尖材料の少なくとも１枚のシートとを備える。上縁部分は、ステント・フレームの上縁の第１の部分の周りに巻き付き、ステント・フレームの外側に向かって折り重なるよう構成される、少なくとも一部分を備える。上縁部分は、ステント・フレームを縫うように通り、ステント・フレームの内側に向かって折り重なるよう構成される、少なくとも別の部分も備える。
Patent JP-2021031300-A (JP)
Title: Wire rope winding facility with spike elimination function
Inventor: TU MINJIE
IPC: B65H54/12
Filed: 2020-01-06
Abstract: To disclose a wire rope winding facility with a spike elimination function.SOLUTION: The wire rope winding facility with a spike elimination function includes an enclosure. On the top wall of the enclosure, an upward-opening sliding space is symmetrically installed. Sliding seats are slidably mounted in the sliding space. Support seats are fixedly mounted on the sliding seats on both the left and right sides. Rotary shafts are rotatably mounted on the support seats. A first pulley is fixedly mounted on the left side rotary shaft. Energizing heads are fixedly mounted on the rotary shafts on both left and right sides. The energizing heads can apply force to the rollers and fix the rollers in place. The first pulley winds a wire rope by rotating the rotary shaft. A power mechanism that can drive the rotation of the rotary shaft is installed underneath the first pulley.SELECTED DRAWING: Figure 1
Patent JP-2021111835-A (JP)
Title: Image processing system, image processing method, program and system
Inventor: HO HUY CUONG
IPC: G11B27/10
Filed: 2020-01-07
Abstract: To facilitate display of a scene as intended by a user when a moving image is reproduced.SOLUTION: An image processing system includes: an acquisition section for acquiring moving image data including at least one of time information, angle information and speed information; a creation section for extracting a frame feed image from moving image data on the basis of at least one of the time information, the angle information and the speed information and creating frame feed data including a plurality of frame feed images; and a display control section for displaying the moving image data and the frame feed image data to be switchable to a display section.SELECTED DRAWING: Figure 1
Patent JP-2021112234-A (JP)
Title: Endoscopic submucosal injection material
Inventor: TAGUCHI TETSUSHI
IPC: A61L31/04
Filed: 2020-01-16
Abstract: To provide an endoscopic submucosal injection material having a bulging effect and excellent tissue adhesiveness.SOLUTION: An endoscopic submucosal injection material has a polymer compound having a hydrophilic group and a C5-15 alkyl group, and cyclodextrin, at least part of the polymer compound being included in the cyclodextrin.SELECTED DRAWING: Figure 1
Patent JP-2021115577-A (JP)
Title: Manufacturing device of bent pipe and manufacturing method of bent pipe
Inventor: IWASE HIROO
IPC: B21D7/025
Filed: 2020-01-22
Abstract: To provide a manufacturing device of a bent pipe which can perform bending processing a plurality of times with respect to a double pipe while holding a clearance between an inner pipe and an outer pipe.SOLUTION: One embodiment of this disclosure is a manufacturing device of a bent pipe which can be obtained by bending a double pipe. The manufacturing device of the bent pipe comprises an inside core grid, an intermediate core grid, a bending die and a control part. The control part performs first bending processing for bending first piping and second piping in a first direction by using a bending die in a first region in which the inside core grid and the intermediate core grid of the double pipe are arranged, second bending processing for bending the first piping and the second piping in a second direction by using the bending die in a second region in which the inside core grid and the intermediate core grid of the double pipe are arranged, after the first bending processing, and first unbending processing for bending the second piping in a direction reverse to the first direction in the first region, after the first bending processing.SELECTED DRAWING: Figure 1
Patent JP-2021117257-A (JP)
Title: Imaging device
Inventor: NINOMIYA TAKASHI
IPC: G03G15/08
Filed: 2020-01-22
Abstract: To suppress a develop from leaking to the outside.SOLUTION: The present invention comprises: a developing container having an opening 51 that faces a photoconductor drum 2; a developing sleeve 70 for carrying with it and conveying a developer toward a developing position Ar1 where the electrostatic latent image carried on the photoconductor drum 2 is developed; a magnet roller 71 for generating a magnetic field necessary for the developing sleeve 70 to carry the developer with it; a magnetic recovery roller 80 provided to the opening 51 and arranged vertically downward of the developing position Ar1; and a recovery bias power supply capable of applying a bias to the recovery roller 80 and forming, by application of the bias, a magnetic field necessary for a force heading from the recovery roller 80 toward the developing sleeve 70 to act upon a normally charged toner located in a clearance between the recovery roller 80 and the developing sleeve 70.SELECTED DRAWING: Figure 5
Patent JP-2021115903-A (JP)
Title: Bicycle anti-theft lock device
Inventor: AKAMATSU TETSUO
IPC: B62H5/00
Filed: 2020-01-23
Abstract: To provide a bicycle anti-theft lock device which can be automatically locked by simply causing a kickstand to stand up without hand work for locking, and which can maintain the locked state against a theft action.SOLUTION: A bicycle anti-theft lock device includes: a moving body 11 which is held so as to be able to reciprocate between a lockable position and an unlockable position by a lock main body 9 fastened to a bicycle 2, and which reciprocates along with the swing of a kickstand 3 of the bicycle 2; a latch 10 that moves in and out to a locking position where the moving body 11 is caught, a locking standby position where it slides in contact with the moving body 11, or an unlocking position where the movement of the moving body 11 is allowed; a latch driving unit 19 that pushes out the latch 10 toward the locking position; a latch receiving unit 17 that catches the latch 10 pushed out to the locking position; and a key operating unit 20 that retracts the latch to the unlocking position against the pushing force by the latch driving unit 19.SELECTED DRAWING: Figure 1
Patent JP-2021090706-A (JP)
Title: Bubble generator and bubble generation method
Inventor: SHIMAZU TOMOYUKI
IPC: B01F3/04
Filed: 2020-01-27
Abstract: To provide a bubble generator capable of suppressing supply of gas dissolved water containing large bubbles into a bathtub.SOLUTION: A bath hot water supply device 1 including a bubble generator 3 includes: a circulation pump 40a for sending bathtub hot water from a bathtub 2 to a second part 32c of a second channel 32; and a control device 39. After execution of water-supply operation and before execution of the next water-supply operation, the control device 39 controls driving and stop of the circulation pump 40a to execute residual water processing operation for sucking bathtub hot water from the bathtub 2 to the second part 32c.SELECTED DRAWING: Figure 5
Patent JP-2021118260-A (JP)
Title: Division method of workpiece
Inventor: MIKE AHN
IPC: B23K26/364
Filed: 2020-01-27
Abstract: To provide a new division method of a workpiece that reduces the possibility of device contamination when the workpiece is divided.SOLUTION: A division method of a workpiece used to divide a workpiece including a recess in which a device is formed on the bottom surface partitioned by a planned division line and a ring-shaped reinforcing portion surrounding the recess includes a tape application step of attaching a first tape to a reinforcing portion without contacting the bottom surface of the recess and sealing a space inside the recess with the first tape, a starting point region forming step of forming a starting point region which is a starting point of division from the surface side opposite to the first tape of the workpiece to which the first tape is attached to the reinforcing portion on the planned division line, a tape reattachment step of attaching a second tape to the surface side of the workpiece and peeling off the first tape from the reinforcing portion, and a division step of expanding the second tape and dividing the workpiece starting from the starting point region.SELECTED DRAWING: Figure 2
Patent JP-2021121823-A (JP)
Title: Karaoke system
Inventor: TAKAHASHI ICHIRO
IPC: G10K15/04
Filed: 2020-01-31
Abstract: To provide a Karaoke system capable of providing ordered food and drink without preventing Karaoke singing of a user.SOLUTION: In a Karaoke system, a store terminal includes: a storage processing part for storing food and drink information in association with room identification information; a reservation instruction part for transmitting a reservation instruction signal of prescribed music to a Karaoke device when food and drink can be provided; and a first transmission processing part for transmitting time information to an employee terminal when a performance start signal of the prescribed music is received. The employee terminal includes a presentation part for presenting time when the food and drink can be provided. The Karaoke device includes: a reservation processing part for reserving the prescribed music; a performance processing part for performing music including the prescribed music; and a second transmission processing part for transmitting the performance start signal of the prescribed music to the store terminal.SELECTED DRAWING: Figure 6
Patent JP-2021122303-A (JP)
Title: Electrocardiogram analysis system
Inventor: HATANAKA TETSUO
IPC: A61B5/33
Filed: 2020-01-31
Abstract: To provide an electrocardiogram analysis system capable of achieving higher accuracy of discriminating the necessity of an electric shock to a patient under cardiopulmonary resuscitation.SOLUTION: The electrocardiogram analysis system includes: electrocardiogram signal acquisition means 11; electrocardiogram signal sampling means 12; electrocardiogram spectrogram conversion means 13; impedance signal acquisition means 21; impedance signal sampling means 22; impedance spectrogram conversion means 23; a convolution neural network 4 having an input layer 4I, an output layer 4O, sample data accumulation means 4L, sample data input means 4T, etc.; and electric shock adaptation notification means 5. The convolution neural network is given beforehand sample data consisting of sample electrocardiogram spectrograms and sample impedance spectrograms acquired from a large number of subjects, and sample response data on the necessity of an electric shock, and is optimized by self-learning.SELECTED DRAWING: Figure 1
Patent JP-2021124946-A (JP)
Title: Learning device, learning method, and program
Inventor: IWATA TOMOHARU
IPC: G06N20/00
Filed: 2020-02-05
Abstract: To obtain a machine learning device of which interpretation and prediction accuracy are high.SOLUTION: A learning device includes: simplifying means for generating a simple expression vector obtained by converting input data into a simple expression; weight generation means for generating a weight vector of a predetermined model concerning the data using a parameter stored in a storage section; weight selection means for selecting K elements from elements included in the weight vector to generate a gate vector for which the selected element is 1, and the remaining element is 0; prediction means for calculating a prediction value using the simple expression vector, the weight vector, and the gate vector; and learning means for learning the parameter so as to minimize an error between teacher data corresponding to the data and the prediction value.SELECTED DRAWING: Figure 1
Patent JP-2021123410-A (JP)
Title: cap
Inventor: MATSUMOTO MASAFUMI
IPC: B65D51/22
Filed: 2020-02-10
Abstract: To provide a cap which can minimize labor and time when opening.SOLUTION: A cap 1 comprises an inside plug 4 and a lid 5. The inside plug 4 has a planned opening part 12 whose circumference is surrounded by a weakened part 11, and rotates around a vertical axis center X to transmit torque from the lid 5 to the inside plug 4, and thereby the weakened part 11 is broken and the planned opening part 12 is separated from the inside plug 4, and a gap for pouring-out is formed in the inside plug 4. The lid 5 and the inside plug 4 are provided with engagement parts 23, 33 respectively which engage with each other by rotating around the vertical axis center X to transmit the torque. The weakened part 11 is formed into an inclined shape inclined with respect to a horizontal line Y orthogonal to the vertical axis center X or a wave shape having an inclined part inclined with respect to the horizontal line Y. The inside plug 4 and the lid 5 fit to each other rotatably around the vertical axis center X without relative movement in a vertical direction.SELECTED DRAWING: Figure 2
Patent JP-2021123315-A (JP)
Title: Vehicle front structure
Inventor: IKEDA MASAHIRO
IPC: B62D25/08
Filed: 2020-02-10
Abstract: To prevent deformation of an upper bar by improving torsional rigidity around a fitting part of a latch on which weight is put when a hood is closed and to improve maneuvering stability rigidity by increasing rigidity of a coupling part.SOLUTION: To side edge parts 20X, 20Y including end parts on both sides in a vehicle width direction of an upper bar 20 forming a closed cross section with an upper member 22 and a lower member 24 across the vehicle width direction, the lower member 24 and a pair of upper bar sides 16 are coupled respectively, and a latch 28 is provided for an intermediate part 20Z of the upper bar 20. The upper member 22 and the lower member 24 have cross-sectional shapes opened downward respectively and, by combining the lower member 24 so as to close a lower part of the upper member 22, a closed cross sectional surface is formed between the upper member 22 and the lower member 24. Regarding height of an upper surface 2402 of the lower member 24, the upper surface 2402 in the intermediate part 20Z of the upper bar 20 is set lower than the upper surface 2402 in the side end parts 20X, 20Y of the upper bar 20.SELECTED DRAWING: Figure 1
Patent JP-2021127327-A (JP)
Title: Composition containing behendimonium ethyl stearyl phosphate, alkyloyl lactate and ceramide
Inventor: INUI SAORI
IPC: A61K8/68
Filed: 2020-02-17
Abstract: To provide cosmetics that enable ceramide to stabilize in a preparation and enables the ceramide to penetrate a living body such as skin tissue.SOLUTION: A composition contains behendimonium ethyl stearyl phosphate, alkyloyl lactate, and ceramide. The composition is preferably used for cosmetics. There is also provided a method for promoting the penetration of ceramide into skin, using behendimonium ethyl stearyl phosphate and alkyloyl lactate.SELECTED DRAWING: Figure 1
Patent JP-2021130983-A (JP)
Title: Jacket type structure and construction method thereof
Inventor: YONEJIMA MIKIO
IPC: E02B17/00
Filed: 2020-02-20
Abstract: To provide a jacket type structure having high flexibility in construction methods regardless of directions of steel pipe piles supporting a jacket and a construction method suitable for the jacket type structure.SOLUTION: A jacket type structure is provided with a plurality of piles 12 fixed on a ground 100 and a jacket 14 supported on the plurality of steel pipe piles 12. The jacket 14 comprises a body part 16 and a plurality of projected connection parts 18 arranged to project downward from the body part 16 and linearly connected to the plurality of steel pipe piles 12, respectively. At least a pair of the steel pipe pile 12 and the projected connection part 18 among a group of the steel pipe piles 12 and the projected connection parts 18 connected thereto are connected using a bridge steel member 20 bridging over an upper end surface of the steel pipe pile 12 and a lower end surface of the projected connection part 18.SELECTED DRAWING: Figure 1
Patent JP-2021132149-A (JP)
Title: Multi-charged particle beam drawing method and multi-charged particle beam drawing device
Inventor: NANAO TSUBASA
IPC: H01L21/027
Filed: 2020-02-20
Abstract: To accurately measure the mark position with a multi-beam.SOLUTION: In a multi-charged particle beam drawing method, a multi-beam in which a charged particle beam is arranged at a predetermined pitch is formed, and an on-beam region in which the beam of a region of a part of the multi-beam is turned on is sequentially switched, the irradiation position of the charged particle beam is shifted, a mark provided at a predetermined position and wider than the predetermined pitch is irradiated with a beam in the on-beam region, a reflected charged particle signal from the mark is detected, the position of the mark is calculated, and the pattern is drawn by adjusting the irradiation position of the multi-beam on the basis of the calculated position of the mark.SELECTED DRAWING: Figure 1
Patent JP-2021133266-A (JP)
Title: Dispersal method for granular powder, and production method for granular powder-including article
Inventor: NAKAZAWA TOMOHIRO
IPC: B05D3/00
Filed: 2020-02-21
Abstract: To make the dispersal amount of granular powders stored in a hopper controllable at high accuracy.SOLUTION: This invention relates to a dispersal method for granular powders including a process of conveying a granular powder P discharged from a hopper 2 in a prescribed direction by a conveyance instrument 3 to be dispersed. The method comprises: a first conveyability control process of controlling conveyability of the conveyance instrument so that the dispersal amount ΔS of the powder P per unit time coincides with a target dispersal amount ΔSt per unit time while continuously measuring total mass A of the hopper and granular powder stored in the hopper; and a second conveyability control process C2 of controlling the conveyability by a technique different from the control in the first process while replenishing the powder P into the hopper until measured total mass B of the powder P in the hopper becomes an initial setting mass B0 when the total mass is below a threshold.SELECTED DRAWING: Figure 4
Patent JP-2020156467-A (JP)
Title: Rice seedling mat with sheet whose edge is water resistant humus
Inventor: WAKAMATSU DAISAKU
IPC: A01G24/46
Filed: 2020-02-04
Abstract: To provide a rice seedling mat with sheet that enables proper scraping rice seedlings, proper planting in rice fields after scraping, and proper aligned planting.SOLUTION: There is provided a flooding rice seedling bed of rice seedling mat with sheet, in which a rear end is used as humus. In order to prevent corrosion by water, a part of a rear end part sheet is applied with and immersed in wax and the like as water-resistant material that can be crushed by transplanting claws of a rice transplanter so as to form a lumpy root mat 13 on a front end bottom surface of a corresponding seedling mat.SELECTED DRAWING: Figure 4
Patent JP-2021134294-A (JP)
Title: Adhesive composition, adhesive, and adhesive sheet
Inventor: SUZUKI HIDEAKI
IPC: C09J11/06
Filed: 2020-02-27
Abstract: To provide an adhesive composition, which is an adhesive using plant-derived materials that are friendly to the global environment, and has excellent adhesive properties such as adhesive strength to various adherends, adhesive strength and holding strength and the like after aging, and, in addition, is suitable for recyclability corresponding to mono-materialization.SOLUTION: The problem is solved by an adhesive composition that contains a polyester-based resin (A) having an ester bond concentration (α) of 1 to 10 mmol/g obtained by polymerizing a polymerization component containing at least one compound (x) of dimer acids and dimer diols, and a polyester-based resin (B) having crystallinity of 10 J/g or less.SELECTED DRAWING: None
Patent JP-2020109978-A (JP)
Title: Electronic apparatus, imaging apparatus, control method for electronic apparatus and control method for imaging apparatus
Inventor: IKEDA TAKAYUKI
IPC: H04N5/374
Filed: 2020-02-28
Abstract: To provide an imaging apparatus capable of acquiring image data with little noise and suppressing power consumption, using an imaging element for acquiring one image data by executing exposure a plurality of times.SOLUTION: A pixel of an imaging element includes a photo-diode 101, a transistor 102 with an oxide semiconductor layer, a diode 103 and a charge holding part 120. An electrode of the photo-diode 101 connected with the transistor 102 and an electrode of the diode 103 connected with the transistor 102 have the same polarity.SELECTED DRAWING: Figure 3
Patent JP-2021133648-A (JP)
Title: Manufacturing method of inorganic substrate
Inventor: ITO TAKATAKE
IPC: E04F13/14
Filed: 2020-02-28
Abstract: To provide a manufacturing method of an inorganic substrate that does not generate coating defect of printing and adhesive agent during production of a decorative plate and can realize preferable workability.SOLUTION: A method of manufacturing an inorganic substrate used in a decorative plate having a decorative layer, comprises a step of polishing one surface different from the other surface on which a decorative layer of an inorganic substrate is provided, a step of forming a first sealer coating film by coating a first sealer made of a silicate aqueous solution on one polishing surface different from a surface on which decoration is provided, and a step of forming a second sealer coating film, by coating a second sealer on a surface of the first sealer coating film.SELECTED DRAWING: None