Patents by Inventor Kenji Kanemaru
Kenji Kanemaru 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: 9291666Abstract: A detecting device includes a detecting part configured to detect a change in an object to be detected so as to output a detection signal, an amplifying part configured to amplify the detection signal output from the detecting part to output a first amplification signal, a reference voltage supply part configured to supply a reference voltage to the amplifying part, the reference voltage being input to the amplifying part to be output as a second amplification signal, a switching part configured to switch a connection between the detecting part and the amplifying part or a connection between the amplifying part and the reference voltage supply part based on a control signal input thereto, and a comparing part configured to compare a predetermined amplification factor in the amplifying part, with an amplification factor obtained from the second amplification signal so as to output the comparison result as a comparison signal.Type: GrantFiled: May 29, 2012Date of Patent: March 22, 2016Assignees: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO, MELEXIS NVInventors: Hiroshi Ueno, Kenji Kanemaru, Daisuke Mori, Francois Piette, Wouter Leten
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Publication number: 20140159756Abstract: A detecting device includes a detecting part configured to detect a change in an object to be detected so as to output a detection signal, an amplifying part configured to amplify the detection signal output from the detecting part to output a first amplification signal, a reference voltage supply part configured to supply a reference voltage to the amplifying part, the reference voltage being input to the amplifying part to be output as a second amplification signal, a switching part configured to switch a connection between the detecting part and the amplifying part or a connection between the amplifying part and the reference voltage supply part based on a control signal input thereto, and a comparing part configured to compare a predetermined amplification factor in the amplifying part, with an amplification factor obtained from the second amplification signal so as to output the comparison result as a comparison signal.Type: ApplicationFiled: May 29, 2012Publication date: June 12, 2014Applicants: MELEXIS NV, KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Hiroshi Ueno, Kenji Kanemaru, Daisuke Mori, Francois Piette, Wouter Leten
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Publication number: 20080048809Abstract: When a magnetic substance (104) is brought close to or separated away from an MR sensor (102), so that a direction of a magnetic flux (103) caused to flow through the MR sensor (102) is changed, an output voltage from the MR sensor (102) changes. Also, when a change in output voltage from the MR sensor (102) exceeds a threshold set by a designer, a comparison portion (303) judges that switches (309a, 309b) should be turned ON, and outputs suitable signals to corresponding portions, respectively.Type: ApplicationFiled: July 11, 2007Publication date: February 28, 2008Applicant: TOKAI RIKA CO., LTD.Inventors: Tomoki NARITA, Kenji KANEMARU, Takatomo MIZUNO, Ryusuke YONEYAMA, Tomoya EGUCHI
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Patent number: 7295376Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins; wherein the resin is obtained by mixing a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end of the polymer molecule, and a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at lest in a molecular side chain or in a molecular skeleton of the polymer molecule; wherein the polymer molecule having an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end is a vinylic polymer or a copolymer thereof that has a carboxyl group or a hydroxyl group at least in a molecular side chain or at a molecular tail end, and the polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or in a molecular skeleton is a vinylic polymer or a copolymer thereofType: GrantFiled: January 22, 2004Date of Patent: November 13, 2007Assignee: Hitachi Chemical Company, Ltd.Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
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Patent number: 7121089Abstract: In a hydraulic cylinder having a shock absorbing function, and capable of stopping as desired by an accumulator disposed within a cylinder rod. The accumulator includes an accumulator piston that divides the cylinder rod interior into first and second cylinder rod chambers, gas hermetically charged into the second cylinder rod chamber, and an accumulation port that is communicated with the first cylinder rod chamber and flows the operating oil from outside into the first cylinder rod chamber.Type: GrantFiled: October 26, 2004Date of Patent: October 17, 2006Assignees: Komatsu Ltd., Komatsu Zenoah Co.Inventors: Masahiro Tosen, Tatsuya Futami, Kenji Kanemaru, Yoshiaki Yamamoto
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Patent number: 7047734Abstract: A hydraulic circuit for a hydraulic cylinder capable of executing and adjusting a shock absorbing function at the time of stopping the operation of a cylinder piston rod and releasing the function, comprises a damping control valve (v1) having a first switching position (v11) which blocks the connection of the accumulation port (22) with outside and performs supply and discharge or discharge and supply of the operating oil with respect to the first cylinder chamber (3) and the second cylinder chamber (4), a second switching position (v12) connecting at least the accumulation port (22) and the second cylinder chamber (4), and a third switching position (v13) connecting at least the accumulation port (22) and the first cylinder chamber (3).Type: GrantFiled: October 26, 2004Date of Patent: May 23, 2006Assignees: Komatsu Ltd., Komatsu Zenoah Co.Inventors: Masahiro Tosen, Tatsuya Futami, Kenji Kanemaru, Yoshiaki Yamamoto
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Publication number: 20060104188Abstract: A film for optical parts exhibiting high transmittance of short-wavelength light on the order of 400 nm, low birefringence, and excellent flexibility in which warping can be prevented after use for a long term, and a coiled film laminate using the film for optical parts, and an optical parts and an optical discs. The film for optical parts is characterized by comprising a light transmitting layer principally comprising thermosetting resin where an integrated value of the ratio of loss modulus to storage modulus in a temperature range of 30° C. to 80° C. as determined by a dynamic viscoelasticity measurement under a tensile stress mode at a frequency of 10 Hz with a heating rate of 3° C./min is 2 or more.Type: ApplicationFiled: December 5, 2002Publication date: May 18, 2006Inventors: Yukihiko Yamashita, Tetsuo Yamanaka, Kenji Kanemaru, Koichi Saito
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Patent number: 6948417Abstract: A fluid cylinder with a swivel joint which is more improved with high utility is provided. To this end, in the fluid cylinder, a flow passage (R2b) leading to a chamber (1F) at the rod side of the cylinder is provided inside a rod (3), and a pin hole (3H) in a rod front end portion (3F) and a pin (P1) fitted in the pin hole (3H) are formed into a swivel joint so that the flow passage (R2b) is always guided to an outside even if the pin hole (3H) and the pin (P1) are relatively rotated.Type: GrantFiled: April 30, 2002Date of Patent: September 27, 2005Assignees: Komatsu Ltd., Komatsu Zenoah Co.Inventors: Tatsuya Futami, Yoshiaki Yamamoto, Kenji Kanemaru, Masatake Tamaru
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Patent number: 6903160Abstract: The invention provides a pseudo cross-link resin composition comprises at least tow polymer molecules; wherein the resin is obtained by mixing a vinylic polymer molecule A that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or at a molecular tail end of the polymer molecule, and a vinylic polymer molecule B that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or in a molecular skeleton of the polymer molecule; wherein the vinylic polymer molecule A is a polymer and/or copolymer that has a carboxyl group or a hydroxyl group in a molecular side chain and/or at a molecular tail end, and the vinylic polymer molecule B is a polymer and/or copolymer having at least one or more nitrogen atom in a molecular side chain and/or a molecular skeleton; wherein the vinylic polymer molecule A and the vinylic polymer molecule B are mixed together, the intermolecular hydrogen bond is formed therebetween, and adding a siliType: GrantFiled: June 5, 2002Date of Patent: June 7, 2005Assignee: Hitachi Chemical Co., Ltd.Inventors: Yukihiko Yamashita, Kenji Kanemaru, Koichi Saito
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Publication number: 20050098326Abstract: A hydraulic circuit for a hydraulic cylinder capable of executing and adjusting a shock absorbing function at the time of stopping the operation of a cylinder piston rod and releasing the function, comprises a damping control valve (v1) having a first switching position (v11) which blocks the connection of the accumulation port (22) with outside and performs supply and discharge or discharge and supply of the operating oil with respect to the first cylinder chamber (3) and the second cylinder chamber (4), a second switching position (v12) connecting at least the accumulation port (22) and the second cylinder chamber (4), and a third switching position (v13) connecting at least the accumulation port (22) and the first cylinder chamber (3).Type: ApplicationFiled: October 26, 2004Publication date: May 12, 2005Inventors: Masahiro Tosen, Tatsuya Futami, Kenji Kanemaru, Yoshiaki Yamamoto
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Publication number: 20050086934Abstract: In a hydraulic cylinder having a shock absorbing function, and capable of stopping as desired by an accumulator disposed within a cylinder rod, the accumulator comprises an accumulator piston that divides the cylinder rod interior into first and second cylinder rod chambers, gas hermetically charged into the second cylinder rod chamber, and an accumulation port that is communicated with the first cylinder rod chamber and flows the operating oil from outside into the first cylinder rod chamber.Type: ApplicationFiled: October 26, 2004Publication date: April 28, 2005Inventors: Masahiro Tosen, Tatsuya Futami, Kenji Kanemaru, Yoshiaki Yamamoto
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Publication number: 20050038194Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins; wherein the resin is obtained by mixing a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end of the polymer molecule, and a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at lest in a molecular side chain or in a molecular skeleton of the polymer molecule; wherein the polymer molecule having an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end is a vinylic polymer or a copolymer thereof that has a carboxyl group or a hydroxyl group at least in a molecular side chain or at a molecular tail end, and the polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or in a molecular skeleton is a vinylic polymer or a copolymer thereofType: ApplicationFiled: January 22, 2004Publication date: February 17, 2005Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
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Publication number: 20040152839Abstract: The invention provides a pseudo cross-link resin composition comprises at least tow polymer molecules; wherein the resin is obtained by mixing a vinylic polymer molecule A that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or at a molecular tail end of the polymer molecule, and a vinylic polymer molecule B that has an atomic group capable of forming an intermolecular hydrogen bond in a molecular side chain and/or in a molecular skeleton of the polymer molecule; wherein the vinylic polymer molecule A is a polymer and/or copolymer that has a carboxyl group or a hydroxyl group in a molecular side chain and/or at a molecular tail end, and the vinylic polymer molecule B is a polymer and/or copolymer having at least one or more nitrogen atom in a molecular side chain and/or a molecular skeleton; wherein the vinylic polymer molecule A and the vinylic polymer molecule B are mixed together, the intermolecular hydrogen bond is formed therebetween, and adding a siliType: ApplicationFiled: December 5, 2003Publication date: August 5, 2004Inventors: Yukihiko Yamashita, Kenji Kanemaru, Koichi Saito
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Patent number: 6767967Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins; wherein the resin is obtained by mixing a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end of the polymer molecule, and a polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at lest in a molecular side chain or in a molecular skeleton of the polymer molecule; wherein the polymer molecule having an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or at a molecular tail end is a vinylic polymer or a copolymer thereof that has a carboxyl group or a hydroxyl group at least in a molecular side chain or at a molecular tail end, and the polymer molecule that has an atomic group capable of forming an intermolecular hydrogen bond at least in a molecular side chain or in a molecular skeleton is a vinylic polymer or a copolymer thereType: GrantFiled: June 17, 2002Date of Patent: July 27, 2004Assignee: Hitachi Chemical Co., Ltd.Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
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Publication number: 20030232923Abstract: A pseudo cross-link type resin composition made of one of resins or a mixture of the resins;Type: ApplicationFiled: June 17, 2002Publication date: December 18, 2003Inventors: Tetsuro Yamanaka, Yukihiko Yamashita, Kenji Kanemaru
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Patent number: 6578296Abstract: A hydraulic pipe arrangement of a working machine is not in contact with an obstacle and no torsion and no bending are generated. Accordingly, in a hydraulically driven type working machine provided with a boom (1) having a vertical swing supporting point supported at a base end side by a machine frame and a joint connection supporting point in a front end side, an arm (2) connected in a base end side to the joint connection supporting point, a boom driving hydraulic cylinder (6a) hoisting around a hoist supporting point provided in the machine frame so as to drive the boom, an arm driving hydraulic cylinder (7), and a working tool driving hydraulic cylinder (8), a swivel joint mechanism relaying a hydraulic pipe arrangement from a side of the machine frame is provided at a center of at least one of the vertical swing supporting point, the joint connection supporting point and the boom driving hydraulic cylinder hoist supporting point.Type: GrantFiled: November 28, 2001Date of Patent: June 17, 2003Assignee: Komatsu Ltd.Inventors: Kenzo Kimoto, Masatake Tamaru, Masami Naruse, Sadao Nunotani, Jun Maruyama, Kenji Kanemaru, Tatsuya Futami
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Publication number: 20020162449Abstract: A fluid cylinder with a swivel joint which is more improved with high utility is provided. To this end, in the fluid cylinder, a flow passage (R2b) leading to a chamber (1F) at the rod side of the cylinder is provided inside a rod (3), and a pin hole (3H) in a rod front end portion (3F) and a pin (P1) fitted in the pin hole (3H) are formed into a swivel joint so that the flow passage (R2b) is always guided to an outside even if the pin hole (3H) and the pin (P1) are relatively rotated.Type: ApplicationFiled: April 30, 2002Publication date: November 7, 2002Inventors: Tatsuya Futami, Yoshiaki Yamamoto, Kenji Kanemaru, Masatake Tamaru
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Publication number: 20020062587Abstract: A hydraulic pipe arrangement of a working machine is not in contact with an obstacle and no torsion and no bending are generated. Accordingly, in a hydraulically driven type working machine provided with a boom (1) having a vertical swing supporting point supported at a base end side by a machine frame and a joint connection supporting point in a front end side, an arm (2) connected in a base end side to the joint connection supporting point, a boom driving hydraulic cylinder (6a) hoisting around a hoist supporting point provided in the machine frame so as to drive the boom, an arm driving hydraulic cylinder (7), and a working tool driving hydraulic cylinder (8), a swivel joint mechanism relaying a hydraulic pipe arrangement from a side of the machine frame is provided at a center of at least one of the vertical swing supporting point, the joint connection supporting point and the boom driving hydraulic cylinder hoist supporting point.Type: ApplicationFiled: November 28, 2001Publication date: May 30, 2002Applicant: KOMATSU LTD.Inventors: Kenzo Kimoto, Masatake Tamaru, Masami Naruse, Sadao Nunotani, Jun Maruyama, Kenji Kanemaru, Tatsuya Futami
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Patent number: 5635629Abstract: A knock sensor for which a fabrication process is simple and moreover which can detect up to a high-frequency region is provided. A sensing element 11 composed of a semiconductor the weight (mass) thereof being 1 g or less and a signal processing circuit 11 are mounted on a fixing pedestal 9. The fixing pedestal 9 is fixed to a connector 2 side by means of adhesive or the like. Additionally, the connector 2 is fixed by means of caulking 16 of a housing 1. As a result thereof, the sensing element 11 is disposed within a space formed by the fixing pedestal 9 and the housing 1.Type: GrantFiled: April 3, 1995Date of Patent: June 3, 1997Assignee: Nippondenso Co., Ltd.Inventors: Masahito Imai, Kenji Kanemaru, Norio Kitao, Nobuyasu Gotou, Naohito Mizuno, Koichi Kamabora
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Patent number: 5280438Abstract: A counter is provided which updates a most-recent counter value to be stored in a non-volatile memory. The counter includes a counter circuit for receiving a series of count pulses defining a count operation and outputting a series of coded binary signals in response thereto. Each one of the series of coded binary signals includes at least first digit data and second digit data. A selecting circuit is coupled to the non-volatile memory and the counter circuit for logically selecting, in response to each respective second digit data, a first select memory cell in the non-volatile memory for which the corresponding first digit data is to be stored.Type: GrantFiled: March 6, 1992Date of Patent: January 18, 1994Assignee: Nippondenso Co., Ltd.Inventor: Kenji Kanemaru