baber/WOPTO huggingface dataset:
Patent JP-2017519969-A (JP)
Title: ウェハ検査のためのロジックの中のパターン抑制
IPC: H01L21/66
Filed: 2015-04-15
Abstract: ウェハの上の欠陥を検出するための方法およびシステムが提供される。１つのシステムは、ウェハの上の少なくとも１つのスポットに光を方向付けするように構成されている照射サブシステムを含む。また、システムは、少なくとも１つのスポットから散乱させられた光の第１の部分が検出器に到達することを阻止し、一方、少なくとも１つのスポットから散乱させられた光の第２の部分が検出器によって検出されることを可能にするように構成されている少なくとも１つのエレメントを含む。光の第１の部分は、ウェハの上のロジック領域の中の１つ以上のパターン付きの特徴から散乱させられる。光の第２の部分は、１つ以上のパターン付きの特徴から散乱させられない。検出器は、イメージング検出器ではない。システムは、検出器の出力に基づいてウェハの上の欠陥を検出するように構成されているコンピュータサブシステムをさらに含む。
Patent JP-2017514498-A (JP)
Title: 冷凍菓子のための液体組成物、製造及び調製の方法
IPC: A23L33/00
Filed: 2015-05-06
Abstract: 本発明は冷凍菓子のための液体組成物、特にできたての冷凍菓子を製造するのに適した常温保存可能な組成物に関する。総組成物（重量）の４．５重量％未満の脂肪、１５重量％未満の甘味料、０．０１〜３重量％の安定剤、任意追加的にヨーグルトを含み、−３℃〜０℃、好ましくは−２．２℃〜−１℃の凝固点、及び２０重量％を超える固形分含量を有する、冷凍菓子のための液体組成物。本発明はその液体組成物の製造方法及び凍結組成物の調製方法にも関する。【選択図】なし
Patent JP-2017511553-A (JP)
Title: スクリーン投影方法、装置およびシステム、プログラム及び記録媒体
IPC: G09G5/36
Filed: 2015-08-31
Abstract: 本発明は、スマートホームの分野に属すスクリーン投影方法、装置およびシステム、プログラム及び記録媒体に関する。該方法は、所定タイプの信号を受信すると共に、所定タイプの信号を送信した第２電子機器と所定タイプの接続を構築し、所定タイプの接続に基づき、ＷｉＦｉ−Ｐ２Ｐ接続サービスを起動させるように第２電子機器に通知し、第１電子機器がＷｉＦｉ−Ｐ２Ｐ接続サービスを起動させた後に、ＷｉＦｉ−Ｐ２Ｐ接続サービス起動済みの第２電子機器とＷｉＦｉ−Ｐ２Ｐ接続を構築し、第２電子機器へスクリーン投影を行う。これにより、従来のスクリーン投影時の操作の手間や接続効率の低下問題を解決し、ＷｉＦｉ−Ｐ２Ｐ接続の自動構築、スクリーン投影時の接続効率の向上、ユーザ操作の低減を達成している。【選択図】 図２
Patent JP-2017512489-A (JP)
Title: 浮遊微生物測定装置及びその測定方法
IPC: B01D45/12
Filed: 2014-12-16
Abstract: 本発明の実施例は、浮遊微生物測定装置及びその測定方法に関する。本発明の一実施例に係る浮遊微生物測定装置には、浮遊微生物が流動する流動空間部を有する本体及び前記本体の一側に分離可能に結合され、前記浮遊微生物を捕集する捕集装置が備えられる粒子分類装置と、前記捕集装置で捕集された浮遊微生物に反応する溶解剤及び発光物質が貯蔵される試薬容器と、前記浮遊微生物が前記溶解剤及び発光物質に反応した後に発生する光の強さを測定するための発光測定装置が含まれる。
Patent JP-2017516709-A (JP)
Title: ドローン方式救命装備の投下装置
IPC: B64D47/08
Filed: 2015-12-04
Abstract: 本発明は、ドローン方式救命装備の投下装置に関するものであり、回転羽根４及びこれを回転させるローター３を有し、無人飛行するように構成される無人飛行体２と、この無人飛行体２に配設され、無線調整により解除操作される保持手段１０と、前記保持手段１０に解除操作により取り外し自在に取着され、保持手段１０からの取り外し時に落下するように構成される救命装備と、を備える。【選択図】図１
Patent JP-2017526846-A (JP)
Title: タービンブリスクおよびタービンブリスクを製造する方法
IPC: F01D25/00
Filed: 2015-06-02
Abstract: タービンブリスクが提供される。タービンブリスクは、内側リムと、前記内側リムから半径方向外側に延在する複数の隣接するロータブレードと、シュラウドセグメントであって、複数の隣接するロータブレードのそれぞれのロータブレードに一体に結合され、それにより、複数の隣接するシュラウドセグメントを形成する、シュラウドセグメントと、隣接するシュラウドセグメントのそれぞれのシュラウドセグメント間に画定されるギャップとを含む。ギャップは、複数の隣接するロータブレードにねじり力が加えられると、複数の隣接するシュラウドセグメントを連結することを容易にする幾何形状を有する。【選択図】図１
Patent JP-2017523026-A (JP)
Title: 高温の湿潤原料を粉砕する方法および掃気式竪型ミル、ならびにチャネル状セグメント
IPC: B02C4/02
Filed: 2015-06-02
Abstract: 本発明は、高温の湿潤原料、特にセメントクリンカを竪型気流ミル（１）内で製粉する方法、竪型気流ミル（１）、冷却ガスを供給するデバイス（１０）、および対応するチャネル状セグメント（２０）に関する。冷却ガスを供給するデバイス（１０）は、竪型気流ミル（１）の円周全体にわたって環状に構成される。冷却ガスに対する入口開口（２１）および出口開口（２４）は、増大する気流／製粉した粒子の混合物内への流入冷却空気を等しくすることを可能にする適合された表面を有する。
Patent JP-2017523685-A (JP)
Title: イントラブロックコピーイングのためのブロックベクトルコーディング
IPC: H04N19/70
Filed: 2015-06-19
Abstract: ビデオデータを復号するための例示的な方法は、ビデオデータの現在のブロックとビデオデータの予測子ブロックとの間の変位を表すブロックベクトルの成分の複数のシンタックス要素（ＳＥ）を受信することと、成分（ＡｂｓＶａｌcomp）の絶対値が０よりも大きいか否かを決定するために第１のＳＥを復号することを少なくとも行うことによって構成要素の値を決定するためにＳＥを復号することと、ＡｂｓＶａｌcompが０よりも大きい場合、ＡｂｓＶａｌcompがコードのセットの次数に基づくしきい値よりも大きいかどうかを決定するために第２のＳＥを復号することと、ＡｂｓＶａｌcompがしきい値よりも大きい場合、コードのセットを使用して、ＡｂｓＶａｌcompからコードのセットの次数に基づくオフセットを減じたものを決定するために第３のＳＥを復号することと、ＡｂｓＶａｌcompが０よりも大きい場合、成分の値の符号を決定するために第４のＳＥを復号することとを含む。【選択図】図６
Patent JP-2017522601-A (JP)
Title: ブラッグ液晶偏光格子
IPC: G02B5/18
Filed: 2015-07-30
Abstract: 光学素子は、ブラッグ条件に従って、内部を通過する光の伝播の方向を変更するように構成された、液晶副層等の複数の積層複屈折副層を含む。積層複屈折副層は、それぞれ、それぞれの格子周期を画定するように、積層複屈折副層の隣接するもの間のそれぞれの境界面に沿って変化する局所光軸を含む。積層複屈折副層のそれぞれの厚さは、光の波長未満とすることができる。関連する装置及び動作方法もまた考察される。【選択図】図１
Patent JP-2017125675-A (JP)
Title: Method and device for providing super-heated steam with heat generated in boiler of incineration facility
Inventor: NICULIN BUEHLER
IPC: F22G1/02
Filed: 2017-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a method for providing super-heated steam with heat generated in a boiler of an incineration facility.SOLUTION: Pre-super-heated steam is supplied to a final superheater (22) that exists in a form of multiple final superheater tubes (24), and the pre-super-heated steam is guided through final heater tubes and finally super-heated in that process. Final superheater tubes (24, 24' and 24") are at least partially disposed within at least one of cavities (26, 26' and 26") that are formed within at least one of a wall element (28) of a boiler (3) and a partition wall (30) disposed within the boiler (3). A boiler side of the cavity is at least partially closed via a fire-resistant material layer (34), and combustion exhaust discharged during combustion passes the cavity. In the present invention, a secondary medium flows through the cavity (26), and the secondary medium is heated via heat transfer from the combustion exhaust through the fire-resistant material layer (34) in that process. The secondary medium heated in such a manner is supplied to a secondary heat exchanger (42) via a secondary medium supply tube (44).SELECTED DRAWING: Figure 2
Patent JP-2018112915-A (JP)
Title: Bill processing machine
Inventor: ONODERA YASUHIRO
IPC: G07D9/00
Filed: 2017-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a bill processing machine capable of suppressing occurrence of a delivery failure.SOLUTION: The bill processing machine includes: a depositing unit 21 into which bills are input from outside the machine; a delivering unit 24 for delivering the bills from the depositing unit 21; a transporting unit 41 for transporting the bills delivered by the delivering unit 24; an identification unit 28 for identifying the bills transported by the transporting unit 41; a delivery storage unit 35 for storing the bills identified by the identification unit 28 in a deliverable manner; and control means 16 for determining whether or not a predetermined number of new bills of the same denomination are continuously delivered from the delivering unit 24 in the same direction of top and back faces and upper and lower sides of the bills and controlling stopping of the delivering unit 24 on the basis of the determination result.SELECTED DRAWING: Figure 1
Patent JP-2018111450-A (JP)
Title: Pneumatic tire
Inventor: SHIMIZU EISEI
IPC: B60C11/12
Filed: 2017-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of enhancing wet performance by devising a shape of a siping disposed at a tread part.SOLUTION: A pneumatic tire includes a chamfered siping 12 and a non-chamfered siping. In the chamfered siping 12, one end part 12c terminates in a rib 10, on the other hand, the other end part 12d communicates with any one of main grooves 9 located at both sides of the rib 10. The chamfered sipings 12 communicating with each of the main grooves 9 located at both sides of the rib 10 are alternately arranged in a tire circumferential direction. The non-chamfered siping 13 is arranged adjacent to one side of the chamfered siping 12 in at least the tire circumferential direction. A radius of curvature TR of an arc forming a tread profile and a radius of curvature RR of an outer contour line of the rib 10 having the chamfered siping 12 satisfy relation of TR>RR. Width Nwof the non-chamfered siping 13 at a peak P to be the outermost side in the tire radial direction of the rib 10 having the chamfered siping 12 and the minimum width Nwat the non-chamfered siping 13 satisfy relation of Nw>Nw.SELECTED DRAWING: Figure 2
Patent JP-2018116361-A (JP)
Title: Information processing apparatus, management apparatus, control method of information processing apparatus, and program, information processing system
Inventor: NAKAWAKI JUN
IPC: G06F9/44
Filed: 2017-01-16
Abstract: PROBLEM TO BE SOLVED: To create a script for efficiently executing an installation operation accompanied by manual input by a plurality of information processing apparatuses when analyzing and executing the script acquired by an operator.SOLUTION: In an information processing apparatus communicating with a management apparatus, when setting installation instruction information by analyzing a script acquired from the management apparatus, if the installation instruction information of the script to be analyzed includes the installation instruction information to be manually input by an installer and confirmation information of the installation instruction information to be manually input, an execution script including a process of temporarily stopping an installation process based on the script and a process of acquiring the installation instruction information to be manually input by the installer is created. Then, the installation instruction information manually input by the created execution script is registered in the management apparatus.SELECTED DRAWING: Figure 14
Patent JP-2018117447-A (JP)
Title: Determination device, interruption device, and determination method
Inventor: HOSAKA MASARU
IPC: H02J1/10
Filed: 2017-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a determination device capable of securing continuation of power supply to a load while suppressing prevention of expansion of damage in a power supply system and the load.SOLUTION: A determination device comprises a determination unit which determines an interrupted part associated with interruption of conduction between a load and each of a plurality of power supply units from a current value of a current to be supplied from each of the power supply units of a power supply device to the load, and a total current value of total current to be supplied from a set of the plurality of power supply parts to the load.SELECTED DRAWING: Figure 1
Patent JP-2018115522-A (JP)
Title: Spacer for spray work
Inventor: SHIOI TAKAO
IPC: E02D17/20
Filed: 2017-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a spacer for spray work which adjusts the height of a metal gauze to be constant from a surface of slope, and is used as a guideline of the height of mortar and the like to be sprayed.SOLUTION: A spacer for spray work is comprised of two upper guideline parts 2 in a positional location substantially parallel to a metal gauze when installed, four upper vertical parts 3 extending downward from both the ends of the upper guideline parts 2, four metal gauze mounting parts 4 extending outward from the lower end of the upper vertical part 3 in substantially parallel to the upper guideline parts 2, four lower extending parts 5, 5' extending downward from the tip end of the metal gauze mounting parts 4, and two grounding parts 6, 6' extending so as to mutually connect the tip ends of the lower extending parts 5, 5' to be in the relation of twisted position with respect to the upper guideline parts 2.SELECTED DRAWING: Figure 1
Patent JP-2017146296-A (JP)
Title: Method and apparatus for evaluating surface property of hot-dip galvanized steel sheet, and method for manufacturing hot-dip galvanized steel sheet
Inventor: KENMOCHI MITSUTOSHI
IPC: C23C2/06
Filed: 2017-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for evaluating surface properties of a hot-dip galvanized steel sheet, capable of accurately, quantitatively evaluating the level of rippled surface defect of the hot-dip galvanized steel sheet without being limited to specific manufacturing conditions.SOLUTION: The method and apparatus for evaluating surface properties of a hot-dip galvanized steel sheet, capable of evaluating the level of rippled surface defect of the hot-dip galvanized steel sheet comprises the steps of: calculating an undulation curve showing an undulation shape in the width direction of the hot-dip galvanized steel sheet by applying a phase compensation filter to a cross sectional curve showing a cross sectional shape in the width direction of the hot-dip galvanized steel sheet (the step S3); and evaluating the level of rippled surface defect of the hot-dip galvanized steel sheet using the average length of undulation elements constituting the undulation curve as an evaluation index.SELECTED DRAWING: Figure 1
Patent JP-2018117814-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2017-01-25
Abstract: PROBLEM TO BE SOLVED: To improve attractiveness of change performance in which a display mode of a predetermined display is changed.SOLUTION: A game machine for playing a game includes specific performance execution means that can execute a specific performance, and change performance execution means that can execute a change performance that can change a display mode of a predetermined display to a specific stage. The change performance execution means differentiates modes when changing the display mode of the predetermined display in the change performance between the case where the specific performance is executed before the change performance is executed, and the case where it is not executed.SELECTED DRAWING: Figure 24
Patent JP-2018119876-A (JP)
Title: Probe pin
Inventor: MIYAHIRA TAKAFUMI
IPC: G01R1/067
Filed: 2017-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a probe pin which can constantly keep an ensured contact with an IC electrode, for example, as a target and allows a high density of the probe pin.SOLUTION: A probe pin 100 includes: a folding part 112 for a first contact 110 in at least one end of the probe pin, the folding part being in contact with a contact target; a folding part 122 for a second contact 120; and a spring part 130 next to the first contact 110, the spring part biasing the first folding part 112 when bringing the first folding part into contact with the contact target.SELECTED DRAWING: Figure 2
Patent JP-2018124479-A (JP)
Title: Image forming apparatus and method for controlling static eliminating bias
Inventor: YAMADA RUMI
IPC: G03G15/02
Filed: 2017-02-02
Abstract: PROBLEM TO BE SOLVED: To reduce flick-up at the rear end of a sheet by controlling a static eliminating bias.SOLUTION: An image forming apparatus comprises: an image carrier that carries a toner image; transfer means that applies a predetermined transfer voltage to a sheet to transfer the toner image to the sheet; and static eliminating means that applies, to the sheet, a static eliminating bias eliminating static electricity generated on the sheet to which the toner image is transferred. The image forming apparatus includes control means that controls to vary the static eliminating bias applied to a sheet to be subsequently fed on the basis of the value of current flowing in the static eliminating means.SELECTED DRAWING: Figure 2
Patent JP-2018128828-A (JP)
Title: Merchandise search apparatus, merchandise search method and program
Inventor: SAKAI TAKUKI
IPC: G06Q30/06
Filed: 2017-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a merchandise search apparatus, a merchandise search method and a program capable of properly and quickly grasping merchandises ordered by customers, even if a person in charge of order reception has no experience.SOLUTION: A merchandise search apparatus 100 includes a reception unit 10, a normalization unit 12, and a presentation unit 14. The reception unit 10 accepts a search word input by a user 60 to search for a merchandise. The normalization unit 12 converts two-byte alphanumeric characters and Japanese kana characters into single-byte characters among the search word accepted by the reception unit 10, and generates a normalized search word. The presentation unit 14 compares pre-registered merchandise information to the normalized search word generated by the normalization unit 12 to search for merchandises related to the search word among the commodity information, and displays the searched merchandise.SELECTED DRAWING: Figure 1
Patent JP-2018130845-A (JP)
Title: Image recording method and recorded matter
Inventor: HARADA MOTOI
IPC: B41M5/00
Filed: 2017-02-13
Abstract: PROBLEM TO BE SOLVED: To provide an image recording method capable of providing an inkjet image excellent in specular glossiness and scratch resistance, and to provide a recorded matter excellent in specular glossiness and scratch resistance.SOLUTION: The image recording method comprises: a first step of applying a first ink to a substrate by an inkjet method, the first ink containing planar metal particles having an average aspect ratio of 3 or more and 100 or less and a resin having at least one moiety selected from an amino group, an amide group, an imino group, a phosphine group, a phosphonium group, a salt of an amino group, a salt of an amide group, a salt of an imino group, and a salt of a phosphonium group; and a second step of applying a second ink to the substrate, the second ink containing a compound having a reactive group which reacts with the moiety. The recorded matter is also provided.SELECTED DRAWING: None
Patent JP-2018132369-A (JP)
Title: Battery state estimation device and power supply device
Inventor: SHIMONISHI YUTA
IPC: H01M10/48
Filed: 2017-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a battery state estimation device and a power supply device which can precisely estimate the full-charging capacity of a secondary battery.SOLUTION: A battery state estimation device 1 is a battery state estimation device 1 which estimates the full-charging capacity of a non-aqueous secondary battery 2, and is designed to estimate the full-charging capacity of the non-aqueous secondary battery 2 based on the relations between the temperature history, the input/output resistance, and the full-charging capacity of the secondary battery 2.SELECTED DRAWING: Figure 1
Patent JP-2017149709-A (JP)
Title: Method for producing dibasic acid
Inventor: TANABE FUMIYUKI
IPC: C07C57/13
Filed: 2017-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a dibasic acid which can easily control the moisture value and suppress the amount of an unreacted cyclic acid anhydride.SOLUTION: There is provided a method for producing a dibasic acid by reacting a cyclic acid anhydride (A) having 8-30 carbon atoms and water, wherein the reaction comprises a step of mixing and reacting the cyclic acid anhydride (A) and liquid water, the content of an inorganic solvent in the reaction system is 15% or less based on the total weight of water and the cyclic acid anhydride (A) and the molar ratio of water to the cyclic acid anhydride (A) is 0.95-8.0.SELECTED DRAWING: None
Patent JP-2018131854-A (JP)
Title: Movable partition arrangement
Inventor: TAKAHASHI MAKOTO
IPC: E04B2/74
Filed: 2017-02-17
Abstract: PROBLEM TO BE SOLVED: To provide a movable partition arrangement capable of transporting partition panels between rails intersecting with each other with a simple structure and a simple work.SOLUTION: A movable partition arrangement 1 capable of storing a plurality of partition panels 2 parallel to storage rails 31 and 31, includes: a travel-rail 30 disposed up to a storage part X; a plurality of storage rails 31 and 31 each of which crosses the travel-rail 30 at plural intersections 35, 35'; and the plurality of partition panels 2 suspended by the travel-rail 30 or the storage rails 31 and 31 by means of plural suspenders 4, 4 which are disposed at the identical intervals to the plural intersections 35, 35' rotatably along the travel-rail 30 or the storage rails 31 and 31. The travel-rail 30 and the storage rails 31 and 31 cross each other at the intersections 35, 35'. The movable partition arrangement includes storing and transporting means 7 for pushing a partition panel 2 the suspenders 4, 4 of which are positioned at a position of the intersections 35, 35' toward the storage rails 31, 31.SELECTED DRAWING: Figure 2
Patent JP-2018137121-A (JP)
Title: Wire twisting machine and production device of twisted wire
Inventor: MAKITA Kazunori
IPC: H01B13/00
Filed: 2017-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a wire twisting machine 5 excellent in power saving and productivity.SOLUTION: A wire twisting machine 5 includes: two main twist heads 50 50' that can rotate with end parts of a plurality of parallel wires W1 W2 holding and face in the longitudinal direction of wire; and slide mechanisms 60 60' that slide each head in the longitudinal direction. Furthermore, delivery clamps 70 70' that receive end parts of wires to be twisted from the outside and deliver to the main twist heads 50 50', and delivery clamp slide mechanisms 80 80' that move the delivery clamps 70 70' between a position receiving the end part of wire from the outside and a position delivering the wire to twist heads 50 50'.SELECTED DRAWING: Figure 1
Patent JP-2018137927-A (JP)
Title: End insulation member, stator and rotary machine
Inventor: SHIOTANI SHIGEYUKI
IPC: H02K3/46
Filed: 2017-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a technique capable of increasing the space factor in a slot, of a stator winding to be wound in a state where an end insulation member is placed on both sides of the stator core in the axial direction.SOLUTION: An end insulation member 40 has an outer wall 50 and multiple inner walls 60 and multiple coupling parts 70. The coupling part 70 has an upper face formed on the opposite side to the bottom face in the axial direction, a first lateral face and a second lateral face. The first lateral face has first face 121 through third face 123, and the second lateral face has fourth face 131 through sixth face 133. The interval W1 of the inside end 122a of the first face in the radial direction, and the end 122b on the other side of the second face in the hoop direction and the interval W1 between the inside end 132a of the fourth face in the radial direction, and the end 132b on one side of the fifth face in the hoop direction satisfies (3/4×D≤W1<5/4×D) (D: diameter of the stator winding 90).SELECTED DRAWING: Figure 12
Patent JP-2018140563-A (JP)
Title: Image forming apparatus
Inventor: NAGAI ATSUSHI
IPC: H04N1/113
Filed: 2017-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus forming high-quality images without positional deviation while considering surface accuracy of each reflection surface of a rotary polygon mirror.SOLUTION: An image forming apparatus 200 includes: a photoreceptor 302; a scanner unit 304 having a light source 401, a rotary polygon mirror 405 and an imaging lens 406 having no fθ characteristics; a developing device 306 developing an electrostatic latent image formed on a photoreceptor 302 with a toner; transfer members 307 and 309 transferring a toner image onto a recording material; a fixing device 311 fixing the toner image onto the recording material; a printer engine 209 forming an image on the recording material; and a CPU 101 controlling the printer engine 209, where the CPU 101 makes the light source emit a laser beam at fixed time intervals in a period during which the photoreceptor is scanned in each scanning period of the laser beam so that a pattern image that corresponds to a plurality of reflection surfaces at different positions of one recording material and includes at least three line images is formed.SELECTED DRAWING: Figure 6
Patent JP-2018140570-A (JP)
Title: Liquid discharge device
Inventor: HORADE KENTA
IPC: B41J2/195
Filed: 2017-02-28
Abstract: PROBLEM TO BE SOLVED: To accurately estimate viscosity of a liquid in a tank after the liquid is replenished in the tank.SOLUTION: A liquid discharge device includes: estimating a residual amount Ar of ink remained in an ink tank and residual ink viscosity Vr that is viscosity of the ink remained in the ink tank when the ink is replenished in the ink tank (S101 and S102); estimating a replenishment amount As of the replenished ink and replenishment ink viscosity Vs that is viscosity of the replenished ink after the ink is replenished in the ink tank (S108 and S109); and estimating mixed ink viscosity Vm that is viscosity of ink in which the ink remained in the ink tank and the ink replenished in the ink tank are mixed based on the estimated residual amount Ar, residual ink viscosity Vr, replenishment amount As and replenishment ink viscosity Vs (S110).SELECTED DRAWING: Figure 4