baber/WOPTO huggingface dataset:
Patent JP-2009133520-A (JP)
Title: Gas combustion equipment and compact water heater
Inventor: ITO HIRONORI
IPC: F23N5/10
Filed: 2007-11-29
Abstract: <P>PROBLEM TO BE SOLVED: To prevent wrong determination on a cause of misfire when the heating power of a gas burner is changed to small fire in an environment where the oxygen deficient state progresses in a gas combustion equipment having a function of determining a cause of misfire of the gas burner.  <P>SOLUTION: This gas combustion equipment include: a frame rod 14 facing a flame hole of the gas burner; a frame rod driving means for supplying power to the frame rod 14 when the output of a thermocouple circuit including a thermocouple heated by the gas burner to increase the output is lowered equal to or below an oxygen deficiency reference value K1; and a misfire cause determination means, which outputs an oxygen deficiency signal indicating that the oxygen concentration in a room is low in the case where the frame rod 14 outputs a flame detection signal when the frame rod driving means supplies power, and on the other hand, outputs a gas deficiency signal indicating that the supply of gas to the gas burner is interrupted in the case where the frame rod does not output the flame detection signal when the frame rod driving means supplies power.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009139496-A (JP)
Title: Manufacturing method for optical sheet
Inventor: FUJITA KATSUHIRO
IPC: G02B5/00
Filed: 2007-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To fill a light shielding material up to an upper face of each groove, without damaging a translucent base material sheet, when manufacturing an optical sheet provided with a light shielding pattern, by filling the light shielding material into grooves of the translucent base material sheet with the plurality of grooves juxtaposed on its surface, and by removing the excessive light shielding material.  <P>SOLUTION: The light shielding material 40 is applied onto juxtaposed faces of the grooves 15 of the translucent base material sheet 10 with the plurality of grooves 15 juxtaposed on its surface, a release sheet 30 is overlapped on the applied face, to be pressed via the release sheet 30, and the light shielding material 40 is removed thereby from the applied face other than the grooves 15. The light shielding material 40 is cured thereafter, and the release sheet 30 is removed to manufacture the optical sheet 1 provided with the light shielding pattern 20.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009137398-A (JP)
Title: Sensory acceleration reducing device
Inventor: ONO HIDEKAZU
IPC: B60N2/10
Filed: 2007-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To improve ride quality by suppressing sensory acceleration to be felt by an occupant even when a vehicle performs a rapid action.  <P>SOLUTION: A sensory acceleration reducing device comprises an acceleration sensor 1 for detecting the vehicle body acceleration generated in the horizontal direction of a vehicle, an electronic control unit 2 for computing the seating face rotational angle to minimize the transfer function from the vehicle body acceleration detected by the acceleration sensor 1 to the acceleration felt by an occupant of the vehicle, and a seating face rotating mechanism 5 for rotating the seating face or the vehicle body around the position below the seating face of the occupant so as to be resistant against the inertia force to be applied to the vehicle based on the seating face rotational angle computed by the electronic control unit 2.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009138096-A (JP)
Title: Cationic polymerization curing type inkjet ink and ink housing container
Inventor: MOGI KENTARO
IPC: C09D11/00
Filed: 2007-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cationic polymerization curing type inkjet ink having excellent discharge stability and storage stability and an ink housing container housing the same.  <P>SOLUTION: The cationic polymerization curing type inkjet ink is treated under reduced pressure at ≤-60 kPa degree of foaming reducing pressure.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009138470-A (JP)
Title: Multibit
Inventor: MORITA TAIJI
IPC: E21D9/087
Filed: 2007-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multibit which detaches an outside bit to expose an inside bit without using an actuator when the outside bit is worn out to a predetermined degree.  <P>SOLUTION: The multibit has: the inside bit 10 which is mounted on a cutter head 4 directly or by way of a mount 9; the outside bit 11 which is mounted on the inside bit 10 and covers the same; and a wedge member 12 which is fixed to the mount 9 or the cutter head 4, for pressing the outside bit 11 to the inside bit 10. According to the structure of the multibit, a contact surface 13 (15) between the wedge member 12 and the outside bit 11, and a contact surface 14 (16) between the outside bit 11 and the inside bit 10 are arranged in parallel with an axis in a direction C that crosses a cutting direction A of the outside bit 11 when the cutter head 4 is activated. Further the multibit is provided with a binding member 17 for binding movement of the outside bit 11 with respect to the inside bit 10 in a direction along the axis (the direction C).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009146989-A (JP)
Title: Q-switched laser oscillator
Inventor: KOSEKI RYOJI
IPC: H01S3/121
Filed: 2007-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a Q-switched laser oscillator which prevents deterioration in the output of a laser beam fue to suspended contaminants, or the like, and facilitating maintenance and positional adjustment of a Q-switch device.  <P>SOLUTION: A Q-switch CO<SB>2</SB>laser oscillator 1 is provided with a discharge chamber 2 filled with a laser gas G, a rear mirror 4 and an output mirror 3 constituting a resonator, and a Q switch device 5 intermittently oscillating a laser beam. The Q switch device 5 is provided with a housing 11 with the inside kept in a clean state, a rotating chopper 12 arranged in the housing, a moving means 14 moving the housing, and a laser beam transmitting member 15 arranged in the housing and transmitting the laser beam. A slit for the rotating chopper can be adjusted to a position passing through a focus part of the laser beam, by moving the housing by the moving means, with the degradation in the output of the laser beam by suspended contaminants, or the like, being prevented; and the maintenance and positional adjustment of the Q-switch device can be carried out readily.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009142501-A (JP)
Title: Management device
Inventor: TOZAKI TOSHIHIRO
IPC: A63F7/02
Filed: 2007-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a management device to output game data on a plurality of game machine models in the same period elapsed from their introduction into a game parlor in such a way as to allow the game data to be appropriately compared with one another among the plurality of game machine models.  <P>SOLUTION: As for display condition matching game machine models having the same and/or similar introduction data on the introduction of the respective machine models, the game data in the same period elapsed from their introduction into the game parlor (game data from the date of the introduction) are comparably output. Accordingly, the game data can be appropriately compared with one another.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008158519-A (JP)
Title: Method of using biased charging/transfer roller as in-situ voltmeter and photoreceptor thickness detector, and method of adjusting xerographic process with results
Inventor: DIRUBIO CHRISTOPHER A
IPC: G03G21/00
Filed: 2007-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of determining photoconductor thickness in a xerographic device.  <P>SOLUTION: The dielectric thickness of a photoreceptor is determined in a variety of ways, including the use of a relation between threshold voltage and the dielectric thickness, using a relation between dielectric thickness and the difference between biased transfer roller voltage and photoreceptor surface potential, using a relation between dielectric thickness and biased charging roller impedance, using a relation between dielectric thickness and the slope of the DC current vs. voltage curve for the biased transfer roller or the biased charging roller, and using a relation between dielectric thickness and the biased transfer roller voltage at zero current. The threshold voltage can be found, by using the slope of the biased charging roller DC current vs. voltage curve, measuring the photoreceptor surface potential with respect to a plurality of target voltage values lower than the charging "knee" of the curve to obtain the intercept value, or finding the actual value of the charging knee.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008173966-A (JP)
Title: Manufacturing method for polylactic acid resin molded body
Inventor: TAKENAKA AKIRA
IPC: B29K67/00
Filed: 2007-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method for obtaining a polylactic acid resin molded body which has a sufficient crystallinity even when a metal mold temperature is made low, an has an excellent heat-resistance, impact-resistance and flexibility.  <P>SOLUTION: After melting and kneading a polylactic acid resin composition containing a polylactic resin of which the optical purity is 99% or higher and a plasticizer, the obtained molten material is filled in a metal mold at 70°C or lower, and is molded in this manufacturing method for the polylactic acid resin molded body of which the relative crystallinity is 60% or higher.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009153259-A (JP)
Title: Method of controlling portable power generator
Inventor: WATANABE TOSHIKAZU
IPC: H02J3/46
Filed: 2007-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of controlling portable power generators, which optimizes the number of portable power generators operated in parallel to reduce fuel cost by automatically increasing and reducing the number of power generators operated in parallel, depending on the change in load amount.  <P>SOLUTION: In the method of controlling the portable power generators each equipped with an automatic parallel operation controller, an order of starting a plurality of portable power generators 10, 20, 30 is set in advance, the portable power generators 20, 30 to be started in a second or subsequent order is started when the power rate transmitted to a load from the other portable power generator 10 which is started earlier than the portable power generator rises to a predetermined power rates A1, A2 or more, and are operated in parallel to the other portable power generator. The power generators 20, 30 are stopped when the power rate transmitted to a load from the other portable power generator which is started earlier than the portable power generator falls to a predetermined power rates B1, B2 or less.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009150082-A (JP)
Title: Tent frame
Inventor: TAKAYAMA TOSHIHIKO
IPC: E04G21/32
Filed: 2007-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tent frame which constitutes a tent house for being used, for example, as a temporary enclosure for a large-scale storehouse or a building site, and which eliminates the risk of falling, even if a great external force acts due to a strong wind etc.  <P>SOLUTION: This tent frame comprises: an appropriate number of main frame bodies 2 which are arranged at longitudinal predetermined intervals; a seat body 3 which is height-adjustably provided in the lower portion of the main frame body 2; a weight body 4 which is provided in the lower portion of the seat body 3 so as to be brought into contact with a ground plane A, and equipped with predetermined weight; and a cable 5 for connecting the weight body 4 and an upper potion of the main frame body 2 together. The seat body 3 can also be detachably attached to the weight body 4 by a sandwiching means 23. The weight body 4 can also be formed of an appropriate number of earth retaining materials 18.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009150618-A (JP)
Title: Combustion device
Inventor: KOBAYASHI HIROAKI
IPC: F23N5/24
Filed: 2007-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the erroneous determination of the extinction cause of a burner after a combustion load is changed.  <P>SOLUTION: The combustion device is provided for changing the combustion load of the burner in response to the operation of a level setting means to stabilize it into a predetermined combustion load. It includes an extinction cause determining means for outputting an oxygen-deficient signal when a degree of a timely decrease in the combustion load of the burner is lower than a reference degree while outputting a gas-deficient signal when the degree of the decrease is not lower than the reference degree, a treatment means for giving treatment corresponding to each of the gas-deficient signal and the oxygen-deficient signal when the detecting output of a flame detector for the burner is a threshold value or lower during no operation of the level setting means, and a false gas-deficient countermeasure means for prohibiting the treatment corresponding to the gas-deficient signal in spite of the output of the gas-deficient signal when the detecting output is the threshold value or lower during the operation of the level setting means (ST36-ST38).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009153538-A (JP)
Title: Massage chair
Inventor: TSUTSUI SHINJI
IPC: A61H7/00
Filed: 2007-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a massage chair capable of effectively improving the durability of a backrest part having a built-in massaging mechanism with a treatment device.  <P>SOLUTION: The inner cover member 33 and the outer cover member 34 disposed to close an opening of a back board are the parts on which a massaging ball 41a of the treatment device 41 works. The friction resistance in the cross direction in which the massaging ball 41a does not rotate is smaller than that in the vertical direction in which the massaging ball 41a rotates in the inner cover member 33 and the outer cover member 34.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009158173-A (JP)
Title: Light control device
Inventor: NISHIOKA KENJI
IPC: H05B37/02
Filed: 2007-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a light control device which carries out light control stably from a light source of a light loading to a light source of a relatively large capacity loading while suppressing heat generation to the minimum.  <P>SOLUTION: A sub-power supply switching element 3 having smaller holding current value than a main power supply switching element 2 for performing phase control to a loading 20 is provided. When a light load is used to the loading 20 and the load current value becomes smaller than the holding current value of the main power supply switching element 2, it is switched over from the main power supply switching element 2 to the sub-power supply switching element 3, and phase control is carried out by the sub-power supply switching element 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009154384-A (JP)
Title: Printing device/method
Inventor: OCHI ATSUSHI
IPC: B41F35/06
Filed: 2007-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printing device which can efficiently remove an ink solvent from a blanket in such a condition that the permeating ink solvent is accumulated in the blanket as a result of the repetition of printing processing, and a printing method.  <P>SOLUTION: The blanket 2 is airtightly covered with a vacuum chamber 6 as a solvent suction/removal means in the printing device 1, in a non-contact state with at least, the outer circumferential surface of the blanket 2 in printing regions 11 and 16. Next, the ink solvent permeating the blanket 2, is sucked and removed from the blanket 2 by increasing the degree of vacuum inside the vacuum chamber 6.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009155903-A (JP)
Title: Front control method of working machine
Inventor: MUROTA ISAO
IPC: E02F9/22
Filed: 2007-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a front control method of a working machine, surely and comfortably preventing overturning of a front due to movement.  <P>SOLUTION: The working machine includes a traveling device driven by a hydraulic motor, a front device having a boom and an arm driven by a hydraulic cylinder and a hydraulic pump. This front control method for controlling the operation of the front device by limiting a delivery flow of the hydraulic pump includes: a first step S10 of determining whether or not the traveling device is operated; a second step S20 of determining whether or not the front device is operated; a third step S30 of calculating the stability of the working machine based on the attitude of the front device; and a fourth step S40, S50 of performing limit control to reduce a delivery flow according to the stability when it is determined that the traveling device and the front device are both operated.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009157743-A (JP)
Title: Ic non-mounted external connecting terminal substrate type dual ic card
Inventor: GOTO HIROYOSHI
IPC: G06K19/077
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an IC non-mounted external connecting terminal substrate type dual IC card having a highly reliable connecting part between an IC non-mounted external connecting terminal substrate and an antenna pattern.  <P>SOLUTION: In the IC non-mounted external connecting terminal substrate type dual IC card in which a recessed part (4) is formed in a card substrate (3) in which an antenna sheet (2) having a contact/noncontact IC chip (1) is embedded, and an IC non-mounted external connecting terminal substrate (6) is embedded in and fixed to the recessed part (4) to electrically connect and fix an external connecting terminal (7) of the substrate (6) to an antenna pattern (5), the IC non-mounted external connecting terminal substrate (6) is formed of a double-faced substrate, and a connecting part of a connecting land (pad) (9) of the substrate (6) to a connecting pattern (5A) of the antenna pattern (5) is provided on the inside out of an external connecting terminal area (14) determined in ISO7816 on the center side of the substrate (6).  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009153907-A (JP)
Title: Jet bath device
Inventor: SUYAMA HIROTOMO
IPC: A61H23/00
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a jet bath device capable of switching and ejecting both of a straight jet stream and a reciprocating, self-exciting and vibrating jet stream by a common nozzle in a simple structure.  <P>SOLUTION: The jet bath device includes a jet nozzle 11, an air introducing pipe for mixing air bubbles and a switching device for switching the state of ejecting a jet stream containing the air bubbles and a jet stream not containing the air bubbles. The jet nozzle is provided with a flowing water introducing part and a chamber, and the flowing water introducing part is provided with an upstream side end part where pressurized water is introduced and a downstream side end part where a flow path is narrowed relative to the upstream side end part and the chamber is communicated. The chamber has a cross section sudden enlargement part provided on the upstream side end part, where a flow path cross section is suddenly enlarged relative to the downstream side end part, and a jet port opened at the downstream side end part, and a cross sectional shape from the cross section sudden enlargement part to the jet port is formed roughly rectangular. A downstream end opening facing the inside of the chamber at the downstream side end part is positioned closer to the inner side than the contour line of the chamber in the front view and a gap is present between the opening edge part of the downstream end opening and the contour line.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009157840-A (JP)
Title: Electronic apparatus and method for power saving setting
Inventor: TAKENOUCHI HIROKI
IPC: G06F1/32
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic apparatus and a method for power saving setting, which can automatically set auto power off also to another apparatus connected to one apparatus to which auto power off is set.  <P>SOLUTION: The setting of auto power off received by a television 12 with a remote control unit 12a is transmitted to a network, and an apparatus receiving the setting of auto power off via the network sets power saving on the basis of the received setting of auto power off.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009156236-A (JP)
Title: Compressor driving device and refrigerating cycle device
Inventor: FUTAMI TOSHIHIKO
IPC: H02P6/12
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compressor driving device and a refrigeration cycle device having excellent safety and capable of surely preventing an abnormal rise of the pressure and temperature of a hermetic compressor independently of kind of a motor mounted on the hermetic compressor.  <P>SOLUTION: A protection device 15 to be operated when the pressure inside of a hermetic case 1a rises abnormally to form a short-circuit relative to phase winding, is provided inside of the hermetic case 1a of a hermetic compressor 1. When the protection device 15 is operated, over current flows to an inverter, and an over-current detector 42 detects it. At this point, a control section 60 stops operation of the inverter.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007532928-A (JP)
Title: 印刷機によって製造された印刷物の品質を判定するための方法
IPC: G06T7/00
Filed: 2005-04-06
Abstract: 本発明は、印刷機によって製造された印刷物の品質を判定するための方法であって、印刷機は複数の同一の単位印刷物を製造し、製造された単位印刷物から１単位印刷物集合が選択され、選択されたこの集合の単位印刷物は異なったエラータイプの集合に属する少なくとも１つのエラータイプ及び／又は異なったエラー特異性の集合に属する少なくとも１つのエラー特異性に関して判定され、選択された単位印刷物集合内部でこれらの単位印刷物のうちの少なくとも１単位印刷物に検出された一定のエラータイプのエラー又は一定の特異性のエラーは同一の単位印刷物又は選択されたこの集合の別の単位印刷物に検出された別のエラータイプの少なくとも１つのエラー又は別のエラー特異性の少なくとも１つのエラーとの関係で判定され、この判定によって印刷物は良好又は不良として分類され、製造された単位印刷物の選択された集合の単位印刷物につき１つの画像センサを用いて１つの共通の、画像データを生ずる撮影が行われ、相互関係で判定されるべき全てのエラーは同一撮影の画像データから検出されるように構成されている。 【選択図】図２
Patent JP-2007537784-A (JP)
Title: 副鼻腔炎および耳、鼻、および／または、喉の各種疾病を診断および治療する装置、システム、および、その方法
IPC: A61M29/00
Filed: 2005-04-21
Abstract: 【課題】副鼻腔炎、鼻介骨肥大、腫瘍、感染症、難聴、アレルギー症、顔面骨折、および、それ以外の耳、鼻、喉の障害を診断および／または治療するにあたり、観血を最小限に抑えた取り組みを採用する。 【解決手段】多くの場合、剛性シャフトを設けた器具を使用するのとは対照的に、可撓性のカテーテルを使用する。画像化調査、粘液流調査、空気流／気体流調査、解剖学的寸法調査、内視鏡調査、および、透視調査を実施するのに、多様な診断装置と診断装置が使用される。接近閉塞装置を使って、前後いずれかの鼻腔／鼻咽頭に流体封鎖シールを確立し、作業装置を容易に挿入することができるようにする。作業装置の具体例としては、例えば、視認用機器、ガイドワイヤ、カテーテル、組織切除装置または組織改造装置、電気外科手術装置、エネルギー発射装置、診断薬または治療薬を注入する装置、ステントのような装置を移植する装置、物質溶離装置、物質搬送移植片などが挙げられる。 【選択図】図８Ｃ
Patent JP-2007536252-A (JP)
Title: アミド化合物およびその医薬としての使用
IPC: C07D491/10
Filed: 2005-05-04
Abstract: 本発明は、11-βヒドロキシルステロイドデヒドロゲナーゼタイプ1の阻害剤、鉱質コルチコイド受容体 (MR)のアンタゴニスト、およびその医薬組成物に関する。本発明の化合物は11-β ヒドロキシルステロイドデヒドロゲナーゼタイプ1の発現または活性に関連する様々な疾患および/またはアルドステロン過剰に関連する疾患の治療に有用であり得る。
Patent JP-2007536369-A (JP)
Title: プロリン及びモルホリン誘導体の新規化合物
IPC: C07D211/96
Filed: 2005-04-25
Abstract: 本発明は、式（Ｉ）、（ＩＩ）、及び（ＩＩＩ）を有する化合物、又はその薬学的に許容される塩に関し：ここで、Ｔは、からなる群から選択される（４ないし１０）員ヘテロシクリルであり、そして、Ｒ 1 、Ｒ 2 及びＲ 3 は本明細書で定義される通りである。本発明はまた、式（Ｉ）、（ＩＩ）、及び（ＩＩＩ）の化合物を含む医薬組成物、１１−β−ｈｓｄ−１酵素の変化によって仲介される症状を治療する方法に関し、該方法は、有効量の式（Ｉ）、（ＩＩ）、及び（ＩＩＩ）の化合物を哺乳動物に投与することを含む。
Patent JP-2008501326-A (JP)
Title: ４−アミノ−４−デオキシコリスミ酸（ａｄｃ）および［３ｒ，４ｒ］−４−アミノ−３−ヒドロキシシクロヘキサ−１，５−ジエン−１−カルボン酸（３，４−ｃｈａ）の生合成生産
IPC: C12P13/04
Filed: 2005-06-02
Abstract: 本発明は、高められたレベルの活性で、４−アミノ−４−デオキシコリスミ酸シンターゼ、好ましくはＰａｂＡＢ二部分タンパク質（それは融合タンパク質であってもよい）を使ってインビボで発酵により行われ、それによって、回収されるＡＤＣおよび４−アミノ−４−デオキシプレフェネート（ＡＤＰ）を含む培養液を得る、４−アミノ−４−デオキシコリスミ酸（ＡＤＣ）の生合成生産方法に関する。本発明はまた、ｐ−アミノフェニルアラニンへのＡＤＰのさらなる転化方法にも関する。本発明はさらに、３，４−ＣＨＡの回収を含む、かかる４−アミノ−４−デオキシコリスミ酸シンターゼのおよびイソコリメートを［５Ｓ，６Ｓ］−５，６−ジヒドロキシシクロヘキサ−１，３−ジエン−１カルボン酸（２，３−ＣＨＤ）へ転化することができる酵素、好ましくはフェナジン生合成タンパク質ＰｈｚＤの共同作用による［３Ｒ，４Ｒ］−４−アミノ−３−ヒドロキシシクロヘキサ−１，５−ジエン−１−カルボン酸（３，４−ＣＨＡ）の生合成生産に関する。本発明はまた、かかる方法の任意のものでの使用のための発現ベクターおよびホスト細胞にも関する。本発明はさらに、触媒活性生成物としての、特にキラル触媒としての３，４−ＣＨＡの使用に関する。そして本発明は最後に３，４−ＣＨＡからのリン酸オセルタミビルの合成に関する。