baber/WOPTO huggingface dataset:
Patent JP-2004196308-A (JP)
Title: Container lid
Inventor: ENOMOTO TADASHI
IPC: B65D77/20
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a container lid, which can be peeled off from an opening flange of a container body to be made in the half-opened state, and then attached on the opening flange again to keep the lid closed.  <P>SOLUTION: The container lid is put on the upside surface of the opening flange of the container body to close the container body. The lid has a top board of a thin plate, on the outer circumference of which a gripper strip is formed, and a folding part formed almost at the center of the lid. On the top board of the lid, a lid outer circumferential surface superimposed on the upside surface of the opening flange is formed. Also on the top board, resin projections, which projects downward and can be fitted along the interior of the opening flange of the container body, are formed at the inside of the lid outer circumferential surface, where the projections are not continuous via the folding part. The projections are counter to each other and connected via a resin thin plate formed perpendicular to the folding part. A locking part to lock onto the interior wall surface of the opening of the container body is formed on a part near the gripper strip on the outside surface of the projection.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003230180-A (JP)
Title: Receiver and image displaying method
Inventor: HAYAKAWA MORIHIKO
IPC: H04W84/02
Filed: 2002-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a receiver with which wrong dealing of a received message can be surely prevented.  <P>SOLUTION: It is judged whether the address of a call signal received by an RF receiving section 12 via an antenna 11 is an address for an individual or an address for a group, by comparing the address with the address data of an ID code set in an ID-ROM 15. From this result of comparison, an expression pattern for the individual address or an expression pattern for the group address is read from an expression pattern table stored in a ROM 19 together with a basic pattern, and is displayed on a display section 2 while being switched.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004197608-A (JP)
Title: Intake-air quantity estimating device of internal combustion engine
Inventor: MUTO HARUFUMI
IPC: F02D41/18
Filed: 2002-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To estimate the intake air quantity on the basis of intake pipe pressure in an intake air quantity estimating device of an internal combustion engine in which the valve timing is varied at least in two stages, and an exhaust recirculation passage with a control valve is connected to an intake pipe on the downstream side of a throttle valve.  <P>SOLUTION: This intake air quantity estimating device has a first relational expression L11 and a second relational expression L21 between the intake pipe pressure and the intake gas quantity in the case of a first valve timing and a second valve timing, wherein the recirculated exhaust gas quantity passing the control valve having a specified opening on the basis of the intake pipe pressure Pm1 in the case of a first valve timing is calculated as the intake exhaust gas quantity D1, and supposing that the intake exhaust gas quantity is set constant regardless of the valve timing, the intake air quantity in the case of the second valve timing is calculated using the second relational expression.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004194905-A (JP)
Title: Embroidery machine
Inventor: GOTO HISAHARU
IPC: D05C9/04
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an embroidery machine capable of immediately coping with the size change of a work.  <P>SOLUTION: The embroidery machine is provided with a long-length holding body 40 movable in a first direction X and a second direction Y orthogonal to each other to a sewing machine bed 12 and extended in the first direction X, and a work holding body 50 held by the long-length holding body 40 so as to vary the span of the first direction X for holding the work 90 to be embroidered. Even when the size of the work 90 is changed (an embroidery range is changed), the change is immediately coped with by adjusting the span in the first direction X of the work holding body 50 without the troublesomeness of changing an embroidery frame as before.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196611-A (JP)
Title: Fuel reforming apparatus and fuel cell system
Inventor: MUKAI TORU
IPC: H01M8/04
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel reforming apparatus in which the flow rate of air supplied to a reformer can be controlled with high accuracy even when the supply pressure of air to the reformer is decreased.  <P>SOLUTION: The fuel reforming apparatus is equipped with: a reforming part (13) which generates a hydrogen-rich reformed gas from the source fuel containing hydrogen; a plurality of reaction parts (15, 17, 18) disposed along the passage of the reformed gas guiding the reformed gas to an exit; a plurality of heat exchangers (14a, 16a, 18a) respectively disposed in the reaction parts; a heat medium supply means which supplies a heating medium to each heat exchanger; a bypassing means (BP) which can supply the heating medium from the heat exchanger (14a) of the first reaction part at high temperature in the plurality of reaction parts to the heat exchanger (18a, 16a) of the second reaction part at relatively lower temperature than the first reaction part; and a controlling means (50) which activates the bypassing means (BP) when the inner temperature of the second reaction part is lower than a specified temperature.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004200116-A (JP)
Title: Exhaust pipe for plasma display panel
Inventor: YOSHIKUNI NORIHIRO
IPC: H01J11/54
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem with a conventional exhaust pipe for a plasma display panel where, since both a flange 1 and a flare 2 are circular, the flange 1 rotates freely even if it is fixed with a presser member 6 such as a clip.  <P>SOLUTION: A protruding part 5 is arranged at a part of the flange 1. The part other than the protruding part 5 is pinched with the presser members 6 such as a clip so as to be fixed to a panel. Since both the flange 1 and the flare 2 are circular, the flange 1 rotates freely even if it is fixed with the presser members 6. The protruding part 5 obstructs free rotation of an exhaust pipe capable of preventing dislocation of the exhaust pipe.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004197048-A (JP)
Title: Water-base adhesive
Inventor: YAMAUCHI MASARU
IPC: C09J131/04
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water-base adhesive which is excellent in e.g. protection of global environment and which is improved in at least one of features, i.e. stable development of tackiness and having both good workability and persistent adhesiveness as compared with previous water-base adhesives.  <P>SOLUTION: The water-base adhesive contains an ethylene/vinyl acetate copolymer emulsion (A), an anionic urethane resin emulsion (B), and a water-soluble urethane resin (C), wherein the content of the water-soluble urethane resin (C) is 1-50 pts.wt. based on 100 pts.wt. total solids of the emulsion (A) and the emulsion (B). It is desirable that the water-base adhesive is used as a principal component and blended with a curing agent (D) comprising a compound having two or more functional groups capable of reacting with an acid group and/or a hydroxy group. The water-base adhesive is suitably used for manufacturing a decorative sheet covered material having a profiled cross-section.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003248252-A (JP)
Title: Optical communication system compensating wavelength dispersion and phase conjugate light generator applicable to the system
Inventor: WATANABE SHIGEKI
IPC: H04B10/07
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new optical communication system compensating wavelength dispersion and a new phase conjugation light generator applicable to the new optical communication system.  <P>SOLUTION: In the optical communication system compensating the wavelength dispersion, phase conjugate light corresponding to signal light transmitted in a first light transmission line 2 is generated, and the phase conjugate light is transmitted to a second light transmission line 4, thus the wavelength dispersion is compensated.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004202710-A (JP)
Title: Inkjet image formation method
Inventor: OYA HIDENOBU
IPC: B41M5/00
Filed: 2002-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To obtain images with a high-speed image formation suitability, high gloss and image preservability while folding and splitting at the time of transfer in an inkjet recording device are improved.  <P>SOLUTION: The inkjet image formation method includes a printing process of discharging ink from a recording head to a roll-shape inkjet recording medium with a surface layer which contains a thermoplastic resin and inorganic fine particles, and a post treatment process for melting, softening and forming the thermoplastic resin into a film. When a minimum R in a transfer route is made R(mm), a winding core part of the inkjet recording medium has a diameter of r(mm), a support has a thickness of hb(μm), and an entire ink absorbing layer has a film thickness of hi(μm), an index X is 5.0 or larger. The index X is expressed by X=R<SP>2</SP>/(r×hi<SP>2</SP>×hb)×10<SP>6</SP>.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004207418-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: MARUOKA SUSUMU
IPC: H01L29/47
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To improve reverse breakdown voltage property of an individual semiconductor element using an SOI substrate.  <P>SOLUTION: The SOI substrate 15 provided with an n-layer 9 having a BOX layer 16 is used. A p-layer 18 and a high density n<SP>+</SP>-layer 11 having the same conductivity type as the n-layer 9 are formed selectively on one main surface side of the substrate 15. A trench 6 which comes into contact with the p-layer 18 and the n<SP>+</SP>-layer 11 and has a prescribed width is dug and formed. An SiO<SB>2</SB>layer 7 is formed so as to stretch on the layers 18 and 11 and to cover side walls and bottom of the trench 6. Through an aperture formed in a part of the layer 7, an anode electrode 12 is formed so as to be connected with the p-layer 18. Through an aperture formed in the SiO<SB>2</SB>layer 7 stretching on the n<SP>+</SP>-layer 11, a cathode electrode 13 is formed so as to be connected with the n<SP>+</SP>-layer 11. An auxiliary (SUB) electrode 21 is formed on the other main surface side of the SOI substrate 15.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204042-A (JP)
Title: Polyester resin composition for powder coating, and powder coating using the composition
Inventor: SATO TAKESHI
IPC: C09D163/00
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polyester resin composition for a powder coating capable of obtaining a coating film excellent in impact resistance and processability at a low temperature.  <P>SOLUTION: This polyester resin composition for a powder coating has as its main acid component terephthalic acid and as its main alcohol component an aliphatic glycol, and it comprises a mixed polyester of 95-85 mass% polyester resin (A) having a limiting viscosity number of 0.10-0.30 dl/g, and an acid value of 25-70 mgKOH/g and 5-15 mass% polyester resin (B) having a number average molecular weight of 15,000 and a glass transition temperature of -5 to 15°C, and an epoxy resin type curing agent (C). The compounding quantity of the epoxy resin type curing agent (C) is such that the ratio of the epoxy group in the epoxy resin type curing agent to the acid group in the polyester resin (A) is 0.8-1.2 times the equivalent. This powdery paint is prepared using the composition.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202912-A (JP)
Title: Method for diagnosing authenticity of paper feeding signal of printing equipment
Inventor: KIMURA MASAHARU
IPC: G06F3/12
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve a trouble interfering with a printing quality due to the abnormal paper feeding stop position at an engine part and a resultant printing positional slippage, which develop under the condition that the time for a paper feeding signal output from a controller to become effective becomes abnormal due to the failure of the equipment, accidental noise or the like.  <P>SOLUTION: This printing equipment has a controller for controlling the engine part by converting a printing data sent from a host device into a printing signal, the engine part, in which an actual printing action is executed, the paper feeding signal transmitting from the controller to the engine part and a timing means for measuring the time for the paper feeding signal to become effective. This printing equipment is so constituted as to diagnose the authenticity of the paper feeding signal from information obtained from the timing means and to prevent the printing quality from being interfered, when the time for the paper feeding signal to become effective becomes abnormal.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204156-A (JP)
Title: Floor polish composition
Inventor: GOMI TADASHI
IPC: C09G1/04
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a floor polish composition having excellent leveling properties, excluding liability of causing problems on toxicity and environment, arising from phosphorus.  <P>SOLUTION: This floor polish composition contains a polyoxyethylene lauryl ether (EO) 1.5 adduct and acetylene glycol.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004203344-A (JP)
Title: Mounting structure of lamp unit
Inventor: NAGAI KENTARO
IPC: B60Q3/02
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sufficient mounting structure of a lamp unit that does not cause an accident that a switch lever generates rattling in a locking means to cause a coupling failure when the lamp unit is mounted, and can easily and certainly mount the lamp unit.  <P>SOLUTION: The mounting structure of the lamp unit is used for mounting the lamp unit 23 to a lamp attaching window 22 attached to a roof trim 21. The lamp unit 23 comprises a lamp function section A having a switch unit 24, and a design section B for slidably locking a switch knob 27 equipped with an engaging section 37 engaging with a switch lever 25 of the switch unit 24. The engaging section 37 is defined between tips of a pair of flexible locking lances 38 and 38 of which the tips are extended in the sliding direction of the switch knob 27 so as to face each other, and constitutes the locking means allowing the tip 25a of the switch lever 25 to be inserted in the sliding direction of the switch knob 27 and in the mounting direction of the design section B.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004213931-A (JP)
Title: Battery pack
Inventor: KAWABATA KATSUHIKO
IPC: H01M2/10
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To firmly stick a molded resin region to a battery while surely preventing a safety valve from being broken in forming the molded resin region.  <P>SOLUTION: In this battery pack, the battery 2 is temporarily held in a mold 30 to form the molded resin region 1, a synthetic resin injected into a mold cavity 31 to form the molded resin region 1 attaches to the battery 2 to and stick the molded resin region 1 attaches to a safety valve opening surface 20 provided with an opening part 9 of the safety valve 8 of the battery 2. In addition, in the battery pack, an insulating material 15 is attached at a boundary between the opening surface 20 of the battery 2 and the molded resin region 1 in a position for closing the opening region 9 of the safety valve 8. The insulating material 15 has an embedded projection part 26 embedded in the molded resin region 1 on a surface opposite to the sticking surface to the battery 2, and the insulating material 15 is connected to the molded resin region 1 by the projection part 26 by embedding the projection part 26 in the molded resin region 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004213251-A (JP)
Title: Image forming apparatus capable of reusing objective data for image formation and their processing condition
Inventor: IKEGAMI MUNEMITSU
IPC: G06F3/12
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus holding printed document data and their print conditions for facilitating reprint from a PC connected via a network and allowing change of the print conditions in reprint.  <P>SOLUTION: This image forming device is provided with an image forming service processing means storing a print condition, which represents a condition of image formation designated by an image formation request, in receipt of the image formation request requiring image formation and objective data to be formed into an image into a storage service processing means. The image forming service processing means forms an image on the basis of the objective data stored in the storage service processing means designated by the image formation request according to the print condition when the the storage service processing means storing the print condition and the objective data receives the designated image formation request.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004210940-A (JP)
Title: Inkjet recording ink, inkjet recording method using the same, ink cartridge, and inkjet recording device
Inventor: YAMAMOTO TOMOYA
IPC: C09D11/322
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inkjet recording ink which stably records an image having a high fastness and an excellent quality level in all cases for a long time.  <P>SOLUTION: The inkjet recording ink is constituted of a polymeric dispersant, a water-insoluble colorant, a water-soluble organic solvent, and water. The polymeric dispersant is a block copolymer constituted of hydrophobic blocks and hydrophilic blocks and has pH stimulus responsiveness capable of causing the association of polymer chains by the decrease in the pH of the ink. The ink further contains a pH buffering agent having a buffering region in the pH range of +0.1 to +3.0 of the pH at which the polymeric dispersing agent exhibits the pH stimulus responsiveness. The inkjet recording method, the cartridge, and the inkjet recording device use this ink.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004028077-A (JP)
Title: Fuel treatment device
Inventor: TONO HIDEKI
IPC: C10L1/08
Filed: 2002-11-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel treatment device for purifying exhaust gas from a vehicle with an internal combustion engine, in particular, a diesel engine mounted thereon.  <P>SOLUTION: The discharge of black smoke in the exhaust gas is reduced by passing the fuel into a container filled with zeolite, active charcoal, ceramics, and magnetism-generating members, and bringing the fuel into contact with each component.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004030863-A (JP)
Title: Optical disk recording method, optical disk recording apparatus, and information recording medium
Inventor: SUGINO AKINOBU
IPC: H04N5/92
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk recording method whereby even a file of a still picture or the like other than a moving picture can be recorded and an extended area is created while making VTS (video title set) areas consecutive as long as possible.  <P>SOLUTION: By the method, whether or not a mode at a former recording is a moving picture mode is judged by referencing information on a memory when recording start of a moving picture is instructed, intermediate management information to manage an extended file by a still picture file is recorded when the mode at the preceding recording is a still picture mode, the recording of the moving picture mode to record the VTS is started in succession to the intermediate management information and recording of the moving picture is continued as the VTS recorded before when the mode is the moving picture mode at the preceding recording.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004213342-A (JP)
Title: Information display controller and program
Inventor: KOBAYASHI YUICHI
IPC: G06F17/30
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To cause an information display controller of an electronic dictionary or the like to search for an example sentence that matches a word input as a search word and to display the sentence.  <P>SOLUTION: A CPU 10 causes a search word and an input screen for inputting conditions for extracting an example sentence to be displayed in a display part 50. When a user inputs both a search phrase consisting of a plurality of words and the conditions for extracting an example sentence, the CPU searches an English-Japanese dictionary DB 22 for any example sentences including the search phrase, and causes an example sentence to be displayed in the display part 50 according to the conditions input.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004501770-A (JP)
Title: 鋳型を用いた金属の連続鋳造方法および装置
IPC: B22D11/049
Filed: 2001-06-27
Abstract: 金属の連続または半連続鋳造のための装置であって、両端が鋳造方向に開口した鋳造鋳型（１）と、該鋳型（１）に溶解物を供給する手段（２）と、鋳型（１）内の溶解物（７）に攪拌運動を誘発するために使用される、Ａ．Ｃ．電流が流れる第１電磁誘導コイル（４）と、第１誘導コイル（４）の上流に配設されて溶解物の上部自由表面（５）に隣接する領域内での溶解物の攪拌運動を制御するために使用される第２電磁誘導コイル（３）とを有する。第２誘導コイル（３）はＤ．Ｃ．またはＡ．Ｃ．電流を切り換え可能に流すことができるように配設される。本発明はまた、鋳型（１）内の攪拌運動の制御方法にも関連する。
Patent JP-2004501907-A (JP)
Title: 粒子状触媒の存在下におけるオキシランの製造方法
IPC: C07D301/12
Filed: 2001-06-26
Abstract: 本発明は、粒子の形で使用され、その少なくとも一部が反応器中で流動化された状態である固体触媒の存在下において、液体反応媒体中でオレフィンを過酸化物化合物と反応させる、液体反応媒体を含む反応器中におけるオキシランの製造方法に関する。
Patent JP-2004502559-A (JP)
Title: 鋼製間柱の穿孔装置及び制御回路
IPC: B26D5/08
Filed: 2001-06-27
Abstract: 建築物の建造に使用される軽量鉄骨フレームの間柱を穿孔して建築配線及び配管を通過させるのに十分な大きさの孔を形成するための携帯用手持ち装置（１０）は、リミットスイッチ（７６）及びメインスイッチ（７２）に接続された制御回路（１７０）と、駆動機構（４０）に接続された出力（３８）とを含む。前記制御回路（１７０）は、パンチ及びダイアセンブリ（２４）を非作動位置から、作動サイクルにわたって、打ち抜かれた穿孔を形成するための作動位置を通じて駆動し、引き続き、前記作動サイクルを完了し且つ前記リミットスイッチ（７６）を作動するためにパンチ及びダイアセンブリ（２４）非作動位置へ駆動するために、使用者による前記メインスイッチ（７２）の作動に応じて前記駆動機構（４０）を選択的に作動するよう構成される。前記制御回路（１７０）は前記リミットスイッチ（７６）の作動に応じて前期駆動機構（４０）の操作を停止する。
Patent JP-2004503222-A (JP)
Title: シトクロムｐ４５０の代謝の比反応速度
IPC: G16B15/30
Filed: 2001-07-09
Abstract: 【課題】典型的には薬剤である、基質分子の反応部位を同定し、ＣＹＰ酵素による代謝の相対速度を決定する。 【解決手段】相対速度を決定することは個々の部位および基質分子全体の代謝の絶対速度を決定するのに重要な因子である。またこの情報は基質分子がそのＡＤＭＥ／ＰＫ特定を改善するために再デザインしうるかどうか、またどのように再デザインできるかを決定するためにも重要な因子である。この点において、水生成および基質の再生成のような非代謝副反応（分岐経路）の速度に対して、反応速度がどのように比較されるかを知ることは特に重要である。 【選択図】図３Ａ
Patent JP-2004508813-A (JP)
Title: 相互接続するパネルを備えたモジュール式の屋上緑化システム
IPC: A01G1/00
Filed: 2001-07-18
Abstract: モジュール式屋上緑化システムは、生きた植物の成長をサポートするのに適した囲まれたスペースを用意すると共に、パネルの下の屋上の上に水が流れるようにしつつも並置の位置関係で屋上デッキ上に設置するようになっているモジュール式パネル（１０）を有している。パネルは、栽培媒体及び緑樹と共に設置され、また隣接したパネルを乱さずに周りのパネルを取り外せるようにする順序立てない配列方式で解放可能に接続されている。パネルは、更に、屋上の現場に送る前に予め種が撒かれていて、保存された状態か又は発芽された状態のいずれかで送られ；また、縁仕上げ／縁終端システム（４６）と、緑化屋上にパネルの無い領域を設けられるようにする支持構造部とに接続するようになっており、またパネル上方の構造物にも接続するようになっている。
Patent JP-2004505054-A (JP)
Title: 知覚を改善する医薬品としての選択的ｐｄｅ２インヒビター
IPC: A61P25/24
Filed: 2001-07-19
Abstract: 本発明は、知覚、集中、学習および／または記憶を改善するための医薬品の製造における選択的ホスホジエステラーゼ２（ＰＤＥ２）阻害剤の使用に関する。
Patent JP-2004509856-A (JP)
Title: リポ酸およびジヒドロリポ酸の製造方法
IPC: C07C323/52
Filed: 2001-07-24
Abstract: 本発明は、以下の工程： （ａ） ジヒドロリポ酸を蒸留する工程、（ｂ） （２）またはその立体異性体（式中、ＭｓはＳＯ ２ −Ｒ’であり、ＲおよびＲ’は互いに独立して、Ｃ １ −Ｃ ６ −アルキル、Ｃ ３ −Ｃ ８ −シクロアルキル、Ｃ ３ −Ｃ ８ −シクロアルキルアルキル、アリールまたはアラルキルである）と、硫化ナトリウムおよび硫黄とをエタノール中で反応させ、かつ、ヒドリド錯体と反応させる工程、（ｃ） Ｒ−ジヒドロリポ酸またはＳ−ジヒドロリポ酸のプロトン性溶液を、ｐＨ ９〜１０において有機溶媒により抽出する工程、もしくは、（ｄ） Ｒ−ジヒドロリポ酸またはＳ−ジヒドロリポ酸を、ｐＨ ４〜５においてプロトン性溶液から有機溶媒により抽出する工程、または、工程（ａ）〜（ｄ） の１以上の組み合わせ、から選択される工程を含む、Ｒ−リポ酸またはＳ−リポ酸の製造方法に関する。さらに本発明は、ジヒドロリポ酸および化合物１，６，８−オクタントリオールの製造方法に関する。