Patents by Inventor Masaaki Kishimoto
Masaaki Kishimoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11754509Abstract: A method for inspecting a metal separator includes a step of detecting deflection of the metal separator with a height detector, a step of displacing the metal separator or an imaging device in a height direction according to the deflection of the metal separator to keep a distance between the imaging device and an imaging portion of the metal separator constant, and a step of imaging a weld portion with the imaging device.Type: GrantFiled: February 22, 2022Date of Patent: September 12, 2023Assignee: Honda Motor Co., Ltd.Inventors: Masaaki Kishimoto, Satoshi Hasegawa, Daigo Mukasa, Koya Shimada, Miho Asano
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Publication number: 20220299447Abstract: A method for inspecting a metal separator includes a step of detecting deflection of the metal separator with a height detector, a step of displacing the metal separator or an imaging device in a height direction according to the deflection of the metal separator to keep a distance between the imaging device and an imaging portion of the metal separator constant, and a step of imaging a weld portion with the imaging device.Type: ApplicationFiled: February 22, 2022Publication date: September 22, 2022Inventors: Masaaki KISHIMOTO, Satoshi HASEGAWA, Daigo MUKASA, Koya SHIMADA, Miho ASANO
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Patent number: 11088378Abstract: A method and apparatus for manufacturing a membrane electrode assembly are provided, which can efficiently peel an electrode layer from a base material. A manufacturing apparatus for manufacturing a membrane electrode assembly of a fuel cell including a pair of electrode layers and an electrolyte membrane, the apparatus including: a transport device which transports the base material on which one cathode electrode layer of the pair of electrode layers is formed and which is connected to a transport sheet via an adhesive layer together with the transport sheet; a transfer device which transfers the one cathode electrode layer to the electrolyte membrane; a peeling device which peels the cathode electrode layer from the base material; and a cooling device having a spraying device which is directed to a start point portion for the peeling and sprays a cooling gas.Type: GrantFiled: March 27, 2019Date of Patent: August 10, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Kunihiko Yanagisawa, Takahiro Hirano, Masaaki Kishimoto, Yoshinori Tokunaga, Hiroyuki Nakatsuka, Yo Shimomura
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Patent number: 10971744Abstract: Provided is a method for inspecting a current leak of a fuel cell, which is provided with an anode electrode, a cathode electrode, and an electrolyte membrane sandwiched between the anode electrode and the cathode electrode, the method including: a first process in which a first voltage, which is a limit voltage of the electrolyte membrane, is applied to the fuel cell; a second process in which a second voltage, which is lower than the first voltage, is applied to the fuel cell after the first process; a third process in which a third voltage, which is lower than the second voltage, is applied to the fuel cell after the second process; and a determination process in which a value of a current flowing through the fuel cell in the third process is detected, and whether the detected current value is lower than a prescribed current value is determined.Type: GrantFiled: February 28, 2019Date of Patent: April 6, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masaaki Kishimoto, Hiroyuki Yamagishi, Hiroshi Sakai
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Publication number: 20190305349Abstract: A method and apparatus for manufacturing a membrane electrode assembly are provided, which can efficiently peel an electrode layer from a base material. A manufacturing apparatus for manufacturing a membrane electrode assembly of a fuel cell including a pair of electrode layers and an electrolyte membrane, the apparatus including: a transport device which transports the base material on which one cathode electrode layer of the pair of electrode layers is formed and which is connected to a transport sheet via an adhesive layer together with the transport sheet; a transfer device which transfers the one cathode electrode layer to the electrolyte membrane; a peeling device which peels the cathode electrode layer from the base material; and a cooling device having a spraying device which is directed to a start point portion for the peeling and sprays a cooling gas.Type: ApplicationFiled: March 27, 2019Publication date: October 3, 2019Inventors: Kunihiko Yanagisawa, Takahiro Hirano, Masaaki Kishimoto, Yoshinori Tokunaga, Hiroyuki Nakatsuka, Yo Shimomura
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Publication number: 20190296379Abstract: Provided is a method for inspecting a current leak of a fuel cell, which is provided with an anode electrode, a cathode electrode, and an electrolyte membrane sandwiched between the anode electrode and the cathode electrode, the method including: a first process in which a first voltage, which is a limit voltage of the electrolyte membrane, is applied to the fuel cell; a second process in which a second voltage, which is lower than the first voltage, is applied to the fuel cell after the first process; a third process in which a third voltage, which is lower than the second voltage, is applied to the fuel cell after the second process; and a determination process in which a value of a current flowing through the fuel cell in the third process is detected, and whether the detected current value is lower than a prescribed current value is determined.Type: ApplicationFiled: February 28, 2019Publication date: September 26, 2019Inventors: Masaaki Kishimoto, Hiroyuki Yamagishi, Hiroshi Sakai
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Patent number: 6517945Abstract: The present invention relates to an article having a silver layer and a resin composition for a coating material for silver which is used in reflective mirrors of photocopy machines and reflective members for indoor and outdoor lighting appliances, automobile headlights and the like. The article having a silver layer of the present invention has a first cured coating layer (A) comprising a resin having anti-corrosion properties for silver, and adhesiveness for both the substrate and silver or metal comprising mainly silver formed between the substrate and the silver layer (B); and, formed on the silver layer (B), a second cured coating layer (C) comprising a resin selected from the group consisting of a silicone acrylic resin (cl), a silicone alkyd resin (c2), and a multi-functional silicon cross-linked resin (c3) having a main chain formed by siloxane bonds. This type of article having a silver layer is superior in anti-discoloration (anti-corrosion) properties of the silver layer (B).Type: GrantFiled: September 17, 2001Date of Patent: February 11, 2003Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Masaaki Kishimoto, Junichi Kawashima, Kenji Hashimoto
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Publication number: 20020064664Abstract: The present invention relates to an article having a silver layer and a resin composition for a coating material for silver which is used in reflective mirrors of photocopy machines and reflective members for indoor and outdoor lighting appliances, automobile headlights and the like. The article having a silver layer of the present invention has a first cured coating layer (A) comprising a resin having anti-corrosion properties for silver, and adhesiveness for both the substrate and silver or a metal comprising mainly silver formed between the substrate and the silver layer (B); and, formed on the silver layer (B), a second cured coating layer (C) comprising a resin selected from the group consisting of a silicone acrylic resin (c1), a silicone alkyd resin (c2), and a multi-functional silicone cross-linked resin (c3) having a main chain formed by siloxane bonds. This type of article having a silver layer is superior in anti-discoloration (anti-corrosion) properties of the silver layer (B).Type: ApplicationFiled: September 17, 2001Publication date: May 30, 2002Applicant: DAINIPPON INK AND CHEMICALS, INC.Inventors: Masaaki Kishimoto, Junichi Kawashima, Kenji Hashimoto
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Patent number: 6348533Abstract: The present invention relates to an article having a silver layer and a resin composition for a coating material for silver which is used in reflective mirrors of photocopy machines and reflective members for indoor and outdoor lighting appliances, automobile headlights and the like. The article having a silver layer of the present invention has a first cured coating layer (A) comprising a resin having anti-corrosion properties for silver, and adhesiveness for both the substrate and silver or a metal comprising mainly silver formed between the substrate and the silver layer (B); and, formed on the silver layer (B), a second cured coating layer (C) comprising a resin selected from the group consisting of a silicone acrylic resin (c1), a silicone alkyd resin (c2), and a multi-functional silicone cross-linked resin (c3) having a main chain formed by siloxane bonds. This type of article having a silver layer is superior in anti-discoloration (anti-corrosion) properties of the silver layer (B).Type: GrantFiled: January 14, 2000Date of Patent: February 19, 2002Assignee: Dainippon Inck and Chemicals, Inc.Inventors: Masaaki Kishimoto, Junichi Kawashima, Kenji Hashimoto
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Patent number: 6233095Abstract: A a screen member for a reflex type screen with a practical advantage which is simple in structure in which an image projected on the screen may be easily observed even if the image projected on the screen is observed in an oblique direction. The screen member (A) for a reflex type screen for reflecting a ray of projection light from a projecting means such as a projector contains a first layer (a) formed integrally with an inner reflex layer (2) on a surface of a base (1) and a second layer (b) formed of a deflection film (3) bonded to a surface of the first layer (a).Type: GrantFiled: July 27, 1998Date of Patent: May 15, 2001Assignee: Arisawa Mfg. Co., Ltd.Inventors: Masatoshi Niwa, Hajime Maruta, Masaaki Kishimoto, Koji Nakamura, Koichi Wada
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Patent number: 6160962Abstract: A lens barrier apparatus includes a lens barrier having opened and closed positions, The lens barrier is positioned on the front face of a lens barrel and protects a camera lens. A motor which drives the opening/closing of the lens barrier and an encoder outputs a predetermined signal together with the rotation of the motor. A drive control when a battery is loaded in the camera, drives the motor in a direction in which the lens barrier is closed and, when the predetermined signal is not output from the encoder during the driving process, drives the motor in a direction in which the lens barrier is opened and then drives the motor in the direction in which the lens barrier is closed again.Type: GrantFiled: July 21, 1998Date of Patent: December 12, 2000Assignee: Asahi Kogaku Kogyo KaishaInventors: Hiroshi Nomura, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 6036377Abstract: A camera with lens barrier apparatus in which the lens barrier apparatus is driven by a motor that is also used to drive another mechanical element in the camera. The motor is switched between the lens barrier apparatus and the mechanical element by the movement of a lens barrel. In this arrangement, the driving of the lens barrier apparatus and the mechanical element are controlled in accordance with the output of a single sensor, for example an encoder.The driving of the lens barrier apparatus is controlled such that the barrier will not close unless the lens barrel is at the housed position and such that if the lens barrier does not open, the lens barrel will not move. The driving is further controlled such that if the lens barrier apparatus does not move to its intended state, the drive is reversed prior to again attempting to drive to the intended state.Type: GrantFiled: July 21, 1998Date of Patent: March 14, 2000Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5999748Abstract: A zoom camera includes a lens that is movable from a housed position to an arbitrary position in a photographing enabling range. A lens driver drives the lens, a lens barrier moves between opened and closed positions, and lens barrier closing mechanism moves the lens barrier between an opened position and the closed position. A detector detects that the lens has moved from a position within the photography enabling range to the housed position and controller prevents the lens barrier closing mechanism from moving the lens barrier to the closed position unless the lens is at the housed position.Type: GrantFiled: July 21, 1998Date of Patent: December 7, 1999Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5971630Abstract: A zoom camera has a lens barrier apparatus, a front lens group, a rear lens group, a rear lens group is lens barrel that houses said front lens group and said rear lens group, said rear lens group is supported such that a distance between the front lens group and the rear lens group is changeable, and the lens barrel is movable between a housed position, at which the lens barrel is retracted furtherest with respect to the camera body, and a photo-ready range, at which the lens barrel is extended from the housed position. A rear group moving device is mounted on the lens barrel, for moving the rear lens group relative to the front lens group. An entire movement device moves the lens barrel without changing a distance between the front lens group and the rear lens group, and a lens barrier apparatus, which is provided with barrier blades that are mounted on the front end of the lens barrel is provided.Type: GrantFiled: July 21, 1998Date of Patent: October 26, 1999Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5953545Abstract: An exposure controlling device comprises, a controlling unit that controls, at the time of an exposure, the DC motor to rotate forward to open the shutter blades and then to rotate reversely to close the shutter blades, a calculating unit that calculates a time period for driving the DC motor in the forward direction between a predetermined starting point and a point where a required aperture area is obtained, a detecting unit that detects the starting point that is an intermediate point of the range of a shutter actuation, and a timer for counting the calculated time period.Type: GrantFiled: December 30, 1996Date of Patent: September 14, 1999Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5907725Abstract: A position detection system detects a position of a lens of a camera using a code plate provided with a plurality of electrodes arranged to form a plurality of patterns. The ends of the electrodes are respectively connected to a connecting point of a plurality of resistors connected in series, and a predetermined voltage is applied across the resistors. A conductive brush is provided such that, depending on the position of the lens, two of the electrodes are electrically connected by the brush, which short-circuits at least one of the plurality of resistors. Be detecting voltage at one of the connecting points of the resistors, which varies depending upon which resistor is short-circuited, the lens position is determined.Type: GrantFiled: December 30, 1996Date of Patent: May 25, 1999Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5842057Abstract: A camera has a lens barrier apparatus in which the lens barrier apparatus is driven by a motor that is also used to drive another mechanical element in the camera. The motor is switched between the lens barrier apparatus and the mechanical element by the movement of a lens barrel. The driving of the lens barrier apparatus and the mechanical element are controlled in accordance with the output of a single sensor, for example an encoder. The driving of the lens barrier apparatus is controlled such that the barrier will not close unless the lens barrel is at the housed position and such that if the lens barrier does not open, the lens barrel will not move. The driving is further controlled such that if the lens barrier apparatus does not move to its intended state, the drive is reversed prior to again attempting to drive to the intended state.Type: GrantFiled: December 30, 1996Date of Patent: November 24, 1998Assignee: Asahi Kogaki Kogo Kabushiki KaishaInventors: Hiroshi Nomura, Yasushi Tabata, Nori Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5794085Abstract: An exposure controlling device comprises, a controlling unit that controls a DC motor, a calculating unit that calculates a time period between a predetermined starting point and a point where a predetermined aperture area is obtained during the forward rotation of the DC motor, and a timer for counting the time period from the starting point. The controlling unit controls, at the time of an exposure, the DC motor to rotate reversely for a predetermined time period at a first step, to rotate forward to open shutter blades of a lens shutter at a second step and to rotate reversely to close the shutter blades at a third step.Type: GrantFiled: December 30, 1996Date of Patent: August 11, 1998Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5790905Abstract: The exposure controlling device comprises a controlling unit that controls, at the time of an exposure, the DC motor to rotate forward to open the shutter blades and then to rotate reversely to close the shutter blades, a calculating unit that calculates a time period for driving the DC motor in the forward direction between a predetermined starting point and a point where a required aperture area is obtained, a timer for counting the time period from the starting point, a memory for storing data of relationship between the time period and the aperture area, and means for storing an individual data of the relationship into the memory.The calculating unit calculates the time period based on a required aperture area by using the data of relationship stored in the memory for compensating individual differences among lens shutters.Type: GrantFiled: December 30, 1996Date of Patent: August 4, 1998Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto
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Patent number: 5784653Abstract: Disclosed is an electronically controlled camera in which a lens system moves along its optical axis. When the lens stops moving, a brake is applied. In order to prevent unnecessary braking which is applied after the lens stopped, the brake is applied wile the lens is moving, and the brake is released immediately when the lens has stopped its movement.Type: GrantFiled: December 30, 1996Date of Patent: July 21, 1998Assignee: Asahi Kogaku Kogyo Kabushiki KaishaInventors: Hiroshi Nomura, Kazuyoshi Azegami, Takamitsu Sasaki, Yasushi Tabata, Norio Numako, Yoshinari Tanimura, Takuma Sato, Masaaki Kishimoto