Patents by Inventor Manabu Kawakami
Manabu Kawakami 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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Publication number: 20240087777Abstract: A thermistor layer of the present invention is configured to be disposed in an electrical current path. The thermistor layer comprises a thermosensitive particle, a plurality of electro-conductive particles covering a surface of the thermosensitive particle, and a binder adhering the electro-conductive particles, the electro-conductive particles form an electro-conductive network, at least the surface of the thermosensitive particle is made of a thermoplastic resin, the thermoplastic resin softens at a temperature lower than a temperature at which the binder softens, and the thermistor layer is provided to become highly resistive due to softening and deformation of the thermoplastic resin.Type: ApplicationFiled: February 1, 2021Publication date: March 14, 2024Inventors: Nobuhiro TSUJI, Manabu MURATA, Hisashi KAWAKAMI, Yasuto IMAI, Yoshiro KOJIMA, Takao FUKUNAGA
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Patent number: 9938194Abstract: An alumina-based filling sand for sliding nozzle comprising at least 50 wt % of mixed sand including 20 to 90 vol % of alumina sand and 80 to 10 vol % of silica sand, wherein the alumina sand has surface irregularities of 1.3 or less and comprises 50 wt % or more of an Al2O3 component.Type: GrantFiled: March 24, 2015Date of Patent: April 10, 2018Assignee: YAMAKAWA SANGYO CO., LTD.Inventors: Manabu Kawakami, Yoshikatsu Nishida
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Publication number: 20170066689Abstract: An alumina-based filling sand for sliding nozzle comprising at least 50 wt % of mixed sand including 20 to 90 vol % of alumina sand and 80 to 10 vol % of silica sand, wherein the alumina sand has surface irregularities of 1.3 or less and comprises 50 wt % or more of an Al2O3 component.Type: ApplicationFiled: March 24, 2015Publication date: March 9, 2017Inventors: Manabu KAWAKAMI, Yoshikatsu NISHIDA
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Patent number: 9219354Abstract: There is provided a main circuit switchgear that includes a breaker; a leg part that supports the breaker; a disconnector that is connected to the breaker; a leg part that supports the disconnector; a metal container that accommodates therein the breaker and the disconnector and includes a bottom plate in which an opening is provided at a position corresponding to a position of the leg part, where the leg part is fixed onto the bottom plate, and a support frame that includes a top panel on which the bottom plate is placed and a leg part that supports the top panel, where the leg part is fixed onto the top panel via the opening.Type: GrantFiled: September 28, 2011Date of Patent: December 22, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Manabu Kawakami, Toru Yamashita, Hirokazu Otani, Daisuke Yoshida
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Patent number: 9053883Abstract: A gas circuit breaker includes: a sealed tank filled with insulation gas; a pair of arc contacts that are arranged to face each other in the sealed tank and connectable and disconnectable with each other; a thermal puffer chamber that is provided on an outer circumferential portion of the pair of arc contacts; a mechanical puffer chamber that is provided on an outer circumference of the thermal puffer chamber and constituted by a cylinder formed in a toric shape centering around an axial line of the arc contacts; and a piston that is formed in a toric shape centering around the axial line and accommodated in the cylinder, and configured to move according to connection and disconnection of the arc contacts.Type: GrantFiled: October 12, 2010Date of Patent: June 9, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Toru Yamashita, Daisuke Yoshida, Katsuhiko Horinouchi, Manabu Kawakami
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Publication number: 20140198429Abstract: There is provided a main circuit switchgear that includes a breaker; a leg part that supports the breaker; a disconnector that is connected to the breaker; a leg part that supports the disconnector; a metal container that accommodates therein the breaker and the disconnector and includes a bottom plate in which an opening is provided at a position corresponding to a position of the leg part, where the leg part is fixed onto the bottom plate, and a support frame that includes a top panel on which the bottom plate is placed and a leg part that supports the top panel, where the leg part is fixed onto the top panel via the opening.Type: ApplicationFiled: September 28, 2011Publication date: July 17, 2014Applicant: Mitsubishi Electric CorporationInventors: Manabu Kawakami, Toru Yamashita, Hirokazu Otani, Daisuke Yoshida
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Publication number: 20130161288Abstract: A gas circuit breaker includes: a sealed tank filled with insulation gas; a pair of arc contacts that are arranged to face each other in the sealed tank and connectable and disconnectable with each other; a thermal puffer chamber that is provided on an outer circumferential portion of the pair of arc contacts; a mechanical puffer chamber that is provided on an outer circumference of the thermal puffer chamber and constituted by a cylinder formed in a toric shape centering around an axial line of the arc contacts; and a piston that is formed in a toric shape centering around the axial line and accommodated in the cylinder, and configured to move according to connection and disconnection of the arc contacts.Type: ApplicationFiled: October 12, 2010Publication date: June 27, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Toru Yamashita, Daisuke Yoshida, Katsuhiko Horinouchi, Manabu Kawakami
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Patent number: 8265111Abstract: When a laser light source module includes a heat sink in which a solid laser element, an excitation light source, and a wavelength conversion element are arranged and a stem that supports the heat sink, wherein the heat sink is separated into three blocks, namely a first block including a laser oscillating unit for the solid laser element is arranged, a second block including a semiconductor laser element that emits excitation light for the laser oscillating unit and a first temperature sensor are arranged and on a specific surface of which the first heater is arranged, and a third block including the wavelength conversion element that converts the wavelength of the fundamental laser beam and a second temperature sensor are arranged and on a specific surface of which a second heater is arranged, enabling thus downsizing of the module and improvement of the positioning accuracy of the elements.Type: GrantFiled: March 18, 2008Date of Patent: September 11, 2012Assignee: Mitsubishi Electric CorporationInventors: Motoaki Tamaya, Chise Nanba, Akira Nakamura, Keiichi Fukuda, Koji Funaoka, Manabu Kawakami, Masamitsu Okamura
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Patent number: 8220257Abstract: An axle driving apparatus includes a first housing having a plurality of cooling fins, an axle rotatably mounted in the first housing, a hydraulic stepless speed change assembly disposed within the first housing. The axle driving apparatus also includes a second housing having a plurality of cooling fins, an axle rotatably mounted in the second housing, a hydraulic stepless speed change assembly disposed within the second housing. A connecting means, such as a bar and/or plate connects the first and second housings. The plurality of cooling fins on the first housing has a different configuration that the plurality of cooling fins on the second housing.Type: GrantFiled: November 13, 2009Date of Patent: July 17, 2012Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Masaru Iida, Fumitoshi Ishino, Manabu Kawakami
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Patent number: 7980351Abstract: A transaxle (1), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of a vehicle. The hydraulic drive unit (20) comprises: a pair of left and right hydraulic motors (23L and 23R) having respective left and right horizontal motor shafts (23b); a center section (22) formed therein with an oil passage for hydraulically connecting at least one of the hydraulic motors to a hydraulic pump, the center section having motor attachment surfaces onto which the hydraulic motors are attached; and a pair of left and right axle casings (2L and 2R) containing the respective hydraulic motors and supporting the respective motor shafts.Type: GrantFiled: April 11, 2008Date of Patent: July 19, 2011Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Koji Iwaki, Norihiro Ishii, Shigenori Sakikawa, Katsumoto Mizukawa, Manabu Kawakami, Kentaro Nagata
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Patent number: 7934578Abstract: There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the working vehicle, each of the first and second hydraulic pump units includes a pump body; a port block formed with an oil passage for supplying/discharging an operating fluid to/from said pump body; a pump case connected to the port block so as to define a pump body accommodating space for surrounding the pump body; and a pump shaft for rotatably driving the pump body, the pump shaft having an input end operatively connected to said driving source. A drain port for opening the pump body accommodating space outward and a charge suction port for drawing in an oil from an oil tank in order to supply a charge oil to a hydraulic circuit fluidly connecting with the corresponding hydraulic motor unit are provided respectively in first and second assemblies formed by the corresponding pump case and port block.Type: GrantFiled: March 29, 2010Date of Patent: May 3, 2011Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Ryota Ohashi, Manabu Kawakami, Shigenori Sakikawa, Takeaki Nozaki
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Publication number: 20110026548Abstract: When a laser light source module includes a heat sink in which a solid laser element, an excitation light source, and a wavelength conversion element are arranged and a stem that supports the heat sink, wherein the heat sink is separated into three blocks, namely a first block including a laser oscillating unit for the solid laser element is arranged, a second block including a semiconductor laser element that emits excitation light for the laser oscillating unit and a first temperature sensor are arranged and on a specific surface of which the first heater is arranged, and a third block including the wavelength conversion element that converts the wavelength of the fundamental laser beam and a second temperature sensor are arranged and on a specific surface of which a second heater is arranged, enabling thus downsizing of the module and improvement of the positioning accuracy of the elements.Type: ApplicationFiled: March 18, 2008Publication date: February 3, 2011Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Motoaki Tamaya, Chise Nanba, Akira Nakamura, Keiichi Fukuda, Koji Funaoka, Manabu Kawakami, Masamitsu Okamura
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Patent number: 7798259Abstract: A working vehicle comprises: a vehicle frame; a prime mover mounted on an upper surface of a first portion of the vehicle frame; a pair of left and right transaxles juxtaposed below the vehicle frame, the left and right transaxles having respective single axles so as to individually and reversibly rotatably driving left and right drive wheels; a working device disposed below the vehicle frame; an output shaft of the prime mover extended downward from the first portion of the vehicle frame; a traveling belt transmission disposed below the vehicle frame and extended from the output shaft to the pair of left and right transaxles; a working belt transmission disposed below the vehicle frame and extended from the output shaft to the working device; a counter shaft for the traveling belt transmission extended downward from a second portion of the vehicle frame; and a pair of upper and lower pulleys provided on the counter shaft, wherein a belt looped over the lower pulley is extended from the output shaft of the prType: GrantFiled: December 5, 2006Date of Patent: September 21, 2010Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Masaru Iida, Fumitoshi Ishino, Michio Tsukamoto, Manabu Kawakami
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Publication number: 20100215517Abstract: There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the working vehicle, each of the first and second hydraulic pump units includes a pump body; a port block formed with an oil passage for supplying/discharging an operating fluid to/from said pump body; a pump case connected to the port block so as to define a pump body accommodating space for surrounding the pump body; and a pump shaft for rotatably driving the pump body, the pump shaft having an input end operatively connected to said driving source. A drain port for opening the pump body accommodating space outward and a charge suction port for drawing in an oil from an oil tank in order to supply a charge oil to a hydraulic circuit fluidly connecting with the corresponding hydraulic motor unit are provided respectively in first and second assemblies formed by the corresponding pump case and port block.Type: ApplicationFiled: March 29, 2010Publication date: August 26, 2010Inventors: Ryota OHASHI, Manabu KAWAKAMI, Shigenori SAKIKAWA, Takeaki NOZAKI
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Patent number: 7708531Abstract: There is provided an axial piston device that includes a housing, a rotary shaft, a cylinder block, and a piston. The housing includes a housing body opened at a first end thereof and a plate disposed at the first end of the housing body. The rotary shaft is rotatably supported about an axis by the housing body and the plate. The cylinder block is rotated together with the rotary shaft and is accommodated inside the housing. The piston is accommodated in the cylinder block in slidable a manner in an axial direction. Furthermore, the plate is provided with a pair of first oil passages having first ends communicating with a discharge port and a suction port of the cylinder block and second ends opened to the surface of the plate, and a drain oil passage for allowing at least one of the first oil passages to communicate with an oil sump.Type: GrantFiled: September 1, 2004Date of Patent: May 4, 2010Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Shigenori Sakikawa, Manabu Kawakami
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Patent number: 7708104Abstract: There is provided a working vehicle having first and second hydraulic pump units operatively driven by a driving source and arranged away to each other in a width direction of the vehicle. In the working vehicle, each of the first and second hydraulic pump units includes a pump body; a port block formed with an oil passage for supplying/discharging an operating fluid to/from said pump body; a pump case connected to the port block so as to define a pump body accommodating space for surrounding the pump body; and a pump shaft for rotatably driving the pump body, the pump shaft having an input end operatively connected to said driving source. A drain port for opening the pump body accommodating space outward and a charge suction port for drawing in an oil from an oil tank in order to supply a charge oil to a hydraulic circuit fluidly connecting with the corresponding hydraulic motor unit are provided respectively in first and second assemblies formed by the corresponding pump case and port block.Type: GrantFiled: October 26, 2007Date of Patent: May 4, 2010Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Ryota Ohashi, Manabu Kawakami, Shigenori Sakikawa
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Publication number: 20100050625Abstract: An axle driving apparatus includes a first housing having a plurality of cooling fins, an axle rotatably mounted in the first housing, a hydraulic stepless speed change assembly disposed within the first housing. The axle driving apparatus also includes a second housing having a plurality of cooling fins, an axle rotatably mounted in the second housing, a hydraulic stepless speed change assembly disposed within the second housing. A connecting means, such as a bar and/or plate connects the first and second housings. The plurality of cooling fins on the first housing has a different configuration that the plurality of cooling fins on the second housing.Type: ApplicationFiled: November 13, 2009Publication date: March 4, 2010Inventors: Masaru IIDA, Fumitoshi Ishino, Manabu Kawakami
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Patent number: 7654083Abstract: An axle driving apparatus includes a first housing having a plurality of cooling fins, an axle rotatably mounted in the first housing, a hydraulic stepless speed change assembly disposed within the first housing. The axle driving apparatus also includes a second housing having a plurality of cooling fins, an axle rotatably mounted in the second housing, a hydraulic stepless speed change assembly disposed within the second housing. A connecting means, such as a bar and/or plate connects the first and second housings. The plurality of cooling fins on the first housing has a different configuration that the plurality of cooling fins on the second housing.Type: GrantFiled: November 16, 2006Date of Patent: February 2, 2010Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Masaru Iida, Fumitoshi Ishino, Manabu Kawakami
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Patent number: 7431122Abstract: A transaxle (1), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of a vehicle. The hydraulic drive unit (20) comprises: a pair of left and right hydraulic motors (23L and 23R) having respective left and right horizontal motor shafts (23b); a center section (22) formed therein with an oil passage for hydraulically connecting at least one of the hydraulic motors to a hydraulic pump, the center section having motor attachment surfaces onto which the hydraulic motors are attached; and a pair of left and right axle casings (2L and 2R) containing the respective hydraulic motors and supporting the respective motor shafts.Type: GrantFiled: August 13, 2004Date of Patent: October 7, 2008Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.Inventors: Koji Iwaki, Norihiro Ishii, Shigenori Sakikawa, Katsumoto Mizukawa, Manabu Kawakami, Kentaro Nagata
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Publication number: 20080217991Abstract: A transaxle (1), having a hydraulic drive unit (20) and a pair of left and right wheel support units (2L and 2R), is suspended from a vehicle frame so as to be turnable around a turning-center axis oriented in a fore-and-aft direction of a vehicle. The hydraulic drive unit (20) comprises: a pair of left and right hydraulic motors (23L and 23R) having respective left and right horizontal motor shafts (23b); a center section (22) formed therein with an oil passage for hydraulically connecting at least one of the hydraulic motors to a hydraulic pump, the center section having motor attachment surfaces onto which the hydraulic motors are attached; and a pair of left and right axle casings (2L and 2R) containing the respective hydraulic motors and supporting the respective motor shafts.Type: ApplicationFiled: April 11, 2008Publication date: September 11, 2008Inventors: Koji IWAKI, Norihiro Ishii, Shigenori Sakikawa, Katsumoto Mizukawa, Manabu Kawakami, Kentaro Nagata