Patents by Inventor Kenji Takenaka
Kenji Takenaka 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: 11739245Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler, (B) a polyorganosiloxane resin including at least one polysiloxane having one curable functional group in the molecule thereof, and (C) a siloxane compound having an alkoxysilyl group and a linear siloxane structure.Type: GrantFiled: July 20, 2017Date of Patent: August 29, 2023Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Masanori Takanashi, Isao Iida, Daigo Hirakawa, Kenji Takenaka, Eiji Tanigawa
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Patent number: 11359124Abstract: The present invention relates to a thermally conductive polysiloxane composition comprising: (A) a thermally conductive filler, (B) a siloxane compound having a specified structure; (C) an alkoxysilane compound having a specified structure; (D) a polyorganosiloxane containing at least one aliphatic unsaturated group per molecule; (E) a polyorganohydrogensiloxane having two or more hydrogen atoms bonded to silicon atoms per molecule; and (F) a platinum-based catalyst.Type: GrantFiled: May 31, 2018Date of Patent: June 14, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Kenji Takenaka, Atsushi Sakamoto
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Patent number: 11286349Abstract: A siloxane compound represented by the general formula (1): where R1 is a group having an alkoxysilyl group having 1 to 4 carbon atoms, R2 is a linear organosiloxy group represented by the general formula (2): where each R4 is independently a monovalent hydrocarbon group having 1 to 12 carbon atoms, Y is a monovalent hydrocarbon group having 1 to 6 carbon atoms, and d is an integer of 10 to 50, each X is independently a divalent hydrocarbon group having 2 to 10 carbon atoms, each of a and b is independently an integer of 1 or more, c is an integer of 0 or more, a+b+c is an integer of 4 or more, and each R3 is independently a monovalent hydrocarbon group having 1 to 6 carbon atoms.Type: GrantFiled: July 20, 2017Date of Patent: March 29, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Eiji Tanigawa, Masanori Takanashi, Isao Iida, Daigo Hirakawa, Kenji Takenaka
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Patent number: 11254849Abstract: A method for producing a polyorganosiloxane resin composition including: (a) mixing a thermally-conductive filler having a particle size distribution having a single peak, with a surface treatment agent containing a siloxane to form a mixture, and (b) mixing the mixture from step (a) with a polysiloxane resin.Type: GrantFiled: November 2, 2016Date of Patent: February 22, 2022Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Eiji Tanigawa, Masanori Takanashi, Isao Iida, Daigo Hirakawa, Kenji Takenaka
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Patent number: 11118056Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler, and (B) at least one member selected from the group consisting of an alkoxysilyl group-containing compound and a dimethylpolysiloxane. The component (A) includes at least two thermally conductive fillers having different average particle diameters, and (A-1) indefinite-shaped aluminum nitride particles having an average particle diameter of 30 ?m to 150 ?m in an amount of at least 20% by mass, based on the mass of a total of the component (A).Type: GrantFiled: July 20, 2017Date of Patent: September 14, 2021Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Daigo Hirakawa, Masanori Takanashi, Isao Iida, Kenji Takenaka, Eiji Tanigawa
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Patent number: 11084927Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler, and (B) at least one member selected from the group consisting of an alkoxysilyl group-containing compound and a dimethylpolysiloxane. The component (A) includes at least two thermally conductive fillers having different average particle diameters, and (A-1) indefinite-shaped aluminum nitride particles having an average particle diameter of 30 ?m to 150 ?m in an amount of at least 20% by mass, based on the mass of a total of the component (A).Type: GrantFiled: July 20, 2017Date of Patent: August 10, 2021Assignee: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Daigo Hirakawa, Masanori Takanashi, Isao Iida, Kenji Takenaka, Eiji Tanigawa
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Publication number: 20210147633Abstract: A siloxane compound represented by the general formula (1): where R1 is a group having an alkoxysilyl group having 1 to 4 carbon atoms, R2 is a linear organosiloxy group represented by the general formula (2): where each R4 is independently a monovalent hydrocarbon group having 1 to 12 carbon atoms, Y is a monovalent hydrocarbon group having 1 to 6 carbon atoms, and d is an integer of 10 to 50, each X is independently a divalent hydrocarbon group having 2 to 10 carbon atoms, each of a and b is independently an integer of 1 or more, c is an integer of 0 or more, a+b+c is an integer of 4 or more, and each R3 is independently a monovalent hydrocarbon group having 1 to 6 carbon atoms.Type: ApplicationFiled: July 20, 2017Publication date: May 20, 2021Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Eiji TANIGAWA, Masanori TAKANASHI, Isao IIDA, Daigo HIRAKAWA, Kenji TAKENAKA
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Publication number: 20210147738Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler, (B) a polyorganosiloxane resin including at least one polysiloxane having one curable functional group in the molecule thereof, and (C) a siloxane compound having an alkoxysilyl group and a linear siloxane structureType: ApplicationFiled: July 20, 2017Publication date: May 20, 2021Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Masanori TAKANASHI, Isao IIDA, Daigo HIRAKAWA, Kenji TAKENAKA, Eiji TANIGAWA
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Publication number: 20210147681Abstract: A thermally conductive polysiloxane composition includes (A) a thermally conductive filler, and (B) at least one member selected from the group consisting of an alkoxysilyl group-containing compound and a dimethylpolysiloxane. The component (A) includes at least two thermally conductive fillers having different average particle diameters, and (A-1) indefinite-shaped aluminum nitride particles having an average particle diameter of 30 ?m to 150 ?m in an amount of at least 20% by mass, based on the mass of a total of the component (A).Type: ApplicationFiled: July 20, 2017Publication date: May 20, 2021Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Daigo HIRAKAWA, Masanori TAKANASHI, Isao IIDA, Kenji TAKENAKA, Eiji TANIGAWA
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Publication number: 20200140736Abstract: The present invention relates to a thermally conductive polysiloxane composition comprising: (A) a thermally conductive filler, (B) a siloxane compound having a specified structure; (C) an alkoxysilane compound having a specified structure; (D) a polyorganosiloxane containing at least one aliphatic unsaturated group per molecule; (E) a polyorganohydrogensiloxane having two or more hydrogen atoms bonded to silicon atoms per molecule; and (F) a platinum-based catalyst.Type: ApplicationFiled: May 31, 2018Publication date: May 7, 2020Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Kenji TAKENAKA, Atsushi SAKAMOTO
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Publication number: 20190161666Abstract: A method for producing a polyorganosiloxane resin composition including: (a) mixing a thermally-conductive filler having a particle size distribution having a single peak, with a surface treatment agent containing a siloxane to form a mixture, and (b) mixing the mixture from step (a) with a polysiloxane resin.Type: ApplicationFiled: November 2, 2016Publication date: May 30, 2019Applicant: MOMENTIVE PERFORMANCE MATERIALS JAPAN LLCInventors: Eiji TANIGAWA, Masanori TAKANASHI, Isao IIDA, Daigo HIRAKAWA, Kenji TAKENAKA
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Patent number: 9209471Abstract: The present invention relates to a fuel cell assembly and method of manufacturing same, and a bonding part manufacturing method and device. For instance, in a resin frame, a depression part is subsidence formed from a lower-end face toward an upper-end face, and a housing hole is pass-through formed from a top surface of the depression part toward the upper-end face. For instance, the depression part, a cathode-side electrode and an electrolyte film are housed, and in such a circumstance, an anode-side electrode is housed in the housing hole. A portion of the resin frame permeates a gas diffusion layer which configures the anode-side electrode and is a porous body. Via the permeated site, the resin frame and the gas diffusion layer (anode-side electrode) are integrally bonded.Type: GrantFiled: October 29, 2012Date of Patent: December 8, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Masayuki Katsuno, Ryugo Fujitsuka, Kenji Takenaka, Gen Okiyama, Ryo Uozumi
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Publication number: 20150064600Abstract: The present invention relates to a fuel cell assembly and method of manufacturing same, and a bonding part manufacturing method and device. For instance, in a resin frame, a depression part is subsidence formed from a lower-end face toward an upper-end face, and a housing hole is pass-through formed from a top surface of the depression part toward the upper-end face. For instance, the depression part, a cathode-side electrode and an electrolyte film are housed, and in such a circumstance, an anode-side electrode is housed in the housing hole. A portion of the resin frame permeates a gas diffusion layer which configures the anode-side electrode and is a porous body. Via the permeated site, the resin frame and the gas diffusion layer (anode-side electrode) are integrally bonded.Type: ApplicationFiled: October 29, 2012Publication date: March 5, 2015Inventors: Masayuki Katsuno, Ryugo Fujitsuka, Kenji Takenaka, Gen Okiyama, Ryo Uozumi
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Patent number: 8510021Abstract: A vehicle control system includes a determiner configured to determine whether or not a driver has performed a predetermined acceleration or deceleration operation; a detector configured to detect a value of at least one of a relative rotational position and relative rotational speed of an input shaft and an output shaft, the input shaft being positioned upstream of an engagement portion of driving power transmission members which are engaged with each other with a slack on a driving power transmission path, and the output shaft being positioned downstream of the engagement portion, and a controller configured to execute control for accelerating or decelerating the input shaft or the output shaft to reduce at least one of a contact speed and transmission torque of the driving power transmission members based on the value detected by the detector, if the determiner determines that the driver has performed the acceleration or deceleration operation.Type: GrantFiled: November 24, 2010Date of Patent: August 13, 2013Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Kenji Takenaka, Hirohide Matsushima, Osamu Tani, Tomomichi Nose, Masahiro Yamaguchi
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Patent number: 8138707Abstract: Provided is a bipedal walking robot which includes a linear actuator, which connects a crus link and a foot of each leg away from an ankle joint, for driving the foot to rock around the ankle joint with respect to the crus link according to a telescopic motion thereof. The robot is capable of applying a desired moment to the foot for walking on stairs without increasing the linear actuator in size. The linear actuator is disposed in such a way that a telescopic force therefrom acts on a line inclined backward with respect to a connection line connecting a knee joint and the ankle joint. Preferably, a connection portion, which is connected to the crus link, of the linear actuator is disposed backward than from the connection line, and a connection portion, which is connected to the foot, of the linear actuator is disposed forward from the connection line.Type: GrantFiled: October 10, 2008Date of Patent: March 20, 2012Assignee: Honda Motor Co., Ltd.Inventors: Kenji Takenaka, Yoshihisa Matsuoka, Satoru Ichihashi
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Publication number: 20110130932Abstract: A vehicle control system includes a determiner configured to determine whether or not a driver has performed a predetermined acceleration or deceleration operation; a detector configured to detect a value of at least one of a relative rotational position and relative rotational speed of an input shaft and an output shaft, the input shaft being positioned upstream of an engagement portion of driving power transmission members which are engaged with each other with a slack on a driving power transmission path, and the output shaft being positioned downstream of the engagement portion, and a controller configured to execute control for accelerating or decelerating the input shaft or the output shaft to reduce at least one of a contact speed and transmission torque of the driving power transmission members based on the value detected by the detector, if the determiner determines that the driver has performed the acceleration or deceleration operation.Type: ApplicationFiled: November 24, 2010Publication date: June 2, 2011Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kenji Takenaka, Hirohide Matsushima, Osamu Tani, Tomomichi Nose, Masahiro Yamaguchi
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Patent number: 7905303Abstract: Disclosed is a legged locomotion robot which is structurally simple and is provided with a tiptoe portion in a foot at a low cost. The legged locomotion robot includes an upper body; two locomotive legs connected to the upper body through a joint; and a locomotive foot connected to a tip end of the leg through a joint; wherein the foot is provided with a foot sole serving as a ground contacting portion of the foot, a curved portion is formed at a predefined distance from a tip end of the foot sole, crossing the foot sole laterally, and the curved portion is configured to be thinner than a tiptoe portion of the foot sole.Type: GrantFiled: January 11, 2010Date of Patent: March 15, 2011Assignee: Honda Motor Co., Ltd.Inventors: Kenji Takenaka, Takumi Shibata
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Publication number: 20100200312Abstract: Disclosed is a legged locomotion robot which is structurally simple and is provided with a tiptoe portion in a foot at a low cost. The legged locomotion robot includes an upper body; two locomotive legs connected to the upper body through a joint; and a locomotive foot connected to a tip end of the leg through a joint; wherein the foot is provided with a foot sole serving as a ground contacting portion of the foot, a curved portion is formed at a predefined distance from a tip end of the foot sole, crossing the foot sole laterally, and the curved portion is configured to be thinner than a tiptoe portion of the foot sole.Type: ApplicationFiled: January 11, 2010Publication date: August 12, 2010Applicant: HONDA MOTOR CO., LTD.Inventors: Kenji TAKENAKA, Takumi Shibata
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Patent number: 7769523Abstract: A method of estimating an air-intake amount of an internal combustion engine is provided. The method may comprise detecting a fluid energy amount in an interior of an air-intake passage at first and second points in time while an intake valve is closed from a compression stroke to an exhaust stroke, and calculating a predicted air-intake amount using the values of the fluid energy amounts at the first and second points with reference to an air-intake amount calculation map showing a correlation between the values of the fluid energy amounts at the first and second points and the predicted air-intake amount in the intake stroke, the air-intake amount calculation map being pre-created by finding the values of the fluid energy amounts in the air-intake passage at the first and second points and the air-intake amount, for plural running states of the internal combustion engine.Type: GrantFiled: November 29, 2007Date of Patent: August 3, 2010Assignee: Kawasaki Jukogyo Kabushiki KaishaInventors: Hirohide Matsushima, Kenji Takenaka, Takashi Abe, Ryo Suzuki, Takuya Sakamoto, Yoshinobu Mori
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Publication number: 20090237025Abstract: Provided is a bipedal walking robot which includes a linear actuator, which connects a crus link and a foot of each leg away from an ankle joint, for driving the foot to rock around the ankle joint with respect to the crus link according to a telescopic motion thereof. The robot is capable of applying a desired moment to the foot for walking on stairs without increasing the linear actuator in size. The linear actuator is disposed in such a way that a telescopic force therefrom acts on a line inclined backward with respect to a connection line connecting a knee joint and the ankle joint. Preferably, a connection portion, which is connected to the crus link, of the linear actuator is disposed backward from the connection line, and a connection portion, which is connected to the foot, of the linear actuator is disposed forward from the connection line.Type: ApplicationFiled: October 10, 2008Publication date: September 24, 2009Applicant: HONDA MOTOR CO., LTD.Inventors: Kenji Takenaka, Yoshihisa Matsuoka, Satoru Ichihashi