Patents by Inventor Tomihito Hashimoto
Tomihito Hashimoto 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: 11239493Abstract: A method for bonding a solid electrolyte layer and electrodes used a fuel cell includes: laminating the solid electrolyte layer and the electrodes so that the electrodes sandwich the solid electrolyte layer therebetween; applying a first voltage of a first polarity between the electrodes sandwiching the solid electrolyte layer; and applying a second voltage of a second polarity that is the reverse of the first polarity between the electrodes sandwiching the solid electrolyte layer.Type: GrantFiled: November 14, 2017Date of Patent: February 1, 2022Assignee: Marelli CorporationInventors: Teruyoshi Mihara, Tomihito Hashimoto
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Publication number: 20200346433Abstract: A bonding method is capable of firmly bonding a greater variety of materials using an electrochemical reaction. The bonding method includes a placement step of placing an oxygen ion conductor and a conductive member that includes an oxide layer on a surface thereof in contact with each other via the oxide layer, a connection step of connecting the oxygen ion conductor to the positive electrode side of a voltage application device and connecting the conductive member to the negative electrode side of the voltage application device, and a voltage application step of applying voltage between the oxygen ion conductor and the conductive member to bond the oxygen ion conductor and the conductive member.Type: ApplicationFiled: July 4, 2018Publication date: November 5, 2020Inventors: Teruyoshi Mihara, Tomihito Hashimoto, Yuusuke Nakata, Motoki Kurasawa
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Publication number: 20200346432Abstract: A bonding method in which more variety of materials can be bonded than a conventional anodic bonding method includes: a disposing step of disposing an oxygen ion conductor and a bonded material to be bonded to the oxygen ion conductor such that they are brought in contact with each other; a connecting step of connecting the oxygen ion conductor to a negative side of a voltage application device and connecting the bonded material to a positive side of the voltage application device; and a voltage applying step of applying a voltage between the oxygen ion conductor and the bonded material so as to bond the oxygen ion conductor and the bonded material, wherein abutting surfaces of the oxygen ion conductor and the bonded material are processed such that they are in close contact with each other.Type: ApplicationFiled: July 4, 2018Publication date: November 5, 2020Inventors: Teruyoshi Mihara, Tomihito Hashimoto, Yuusuke Nakata, Motoki Kurasawa
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Publication number: 20200036036Abstract: A method for bonding a solid electrolyte layer and electrodes used a fuel cell includes: laminating the solid electrolyte layer and the electrodes so that the electrodes sandwich the solid electrolyte layer therebetween; applying a first voltage of a first polarity between the electrodes sandwiching the solid electrolyte layer; and applying a second voltage of a second polarity that is the reverse of the first polarity between the electrodes sandwiching the solid electrolyte layer.Type: ApplicationFiled: November 14, 2017Publication date: January 30, 2020Inventors: Teruyoshi MIHARA, Tomihito HASHIMOTO
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Patent number: 8510933Abstract: Provided is a field pole magnet to be installed in a rotor or a stator of a permanent magnet rotary machine, the field pole magnet including: multiple magnet pieces (31 to 34) formed by breaking and dividing a single permanent magnet; and at least one magnet-piece holding member (40) configured to hold these magnet pieces (31 to 34).Type: GrantFiled: September 29, 2009Date of Patent: August 20, 2013Assignee: Nissan Motor Co., Ltd.Inventors: Ryou Murakami, Hideki Nishimura, Nobuo Kino, Tomihito Hashimoto
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Publication number: 20120036696Abstract: Provided is a field pole magnet to be installed in a rotor or a stator of a permanent magnet rotary machine, the field pole magnet including: multiple magnet pieces (31 to 34) formed by breaking and dividing a single permanent magnet; and at least one magnet-piece holding member (40) configured to hold these magnet pieces (31 to 34).Type: ApplicationFiled: September 29, 2009Publication date: February 16, 2012Inventors: Ryou Murakami, Hideki Nishimura, Nobuo Kino, Tomihito Hashimoto
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Patent number: 7811977Abstract: A sliding member formed of a resinous material is in sliding contact with a steel member in an automotive internal combustion engine. The resinous material includes a thermoplastic resin composition which includes a fluororesin in an amount ranging from 5 to 40 parts by weight, and a thermoplastic resin other than the fluororesin, in an amount ranging from 95 to 60 parts by weight. The fluororesin contains crosslink formed between at least a part of carbon atoms forming part of a molecule chain of the fluororesin and at least a part of carbon atoms forming part another molecular chain of the fluororesin, and active end group formed at least a part of the molecule chain of the fluororesin.Type: GrantFiled: July 15, 2009Date of Patent: October 12, 2010Assignee: Nissan Motor Co., Ltd.Inventors: Tomohito Ota, Tomihito Hashimoto
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Publication number: 20090281007Abstract: A sliding member formed of a resinous material is in sliding contact with a steel member in an automotive internal combustion engine. The resinous material includes a thermoplastic resin composition which includes a fluororesin in an amount ranging from 5 to 40 parts by weight, and a thermoplastic resin other than the fluororesin, in an amount ranging from 95 to 60 parts by weight. The fluororesin contains crosslink formed between at least a part of carbon atoms forming part of a molecule chain of the fluororesin and at least a part of carbon atoms forming part another molecular chain of the fluororesin, and active end group formed at least a part of the molecule chain of the fluororesin.Type: ApplicationFiled: July 15, 2009Publication date: November 12, 2009Inventors: Tomohito OTA, Tomihito HASHIMOTO
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Patent number: 7595285Abstract: A sliding member formed of a resinous material is in sliding contact with a steel member in an automotive internal combustion engine. The resinous material includes a thermoplastic resin composition which includes a fluororesin in an amount ranging from 5 to 40 parts by weight, and a thermoplastic resin other than the fluororesin, in an amount ranging from 95 to 60 parts by weight. The fluororesin contains crosslink formed between at least a part of carbon atoms forming part of a molecule chain of the fluororesin and at least a part of carbon atoms forming part another molecular chain of the fluororesin, and active end group formed at least a part of the molecule chain of the fluororesin.Type: GrantFiled: October 16, 2003Date of Patent: September 29, 2009Assignee: Nissan Motor Co., Ltd.Inventors: Tomohito Ota, Tomihito Hashimoto
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Patent number: 7572839Abstract: A seal ring (10) of the present invention seals operating oil hermetically and is attached to an annular seal ring groove (16) provided on an outer circumference of a shaft member (12). The seal ring (10) includes fluororesin, modified fluororesin formed by being irradiated with an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less, and synthetic resin having a surface energy ranging from +0 N/cm to 20˜10?5 N/cm inclusive of that of the operating oil.Type: GrantFiled: September 29, 2004Date of Patent: August 11, 2009Assignees: Nissan Motor Co., Ltd., Hitachi Cable, Ltd.Inventors: Tomohito Ota, Tomihito Hashimoto, Yasuaki Yamamoto, Hiroo Kusano
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Publication number: 20080070815Abstract: A low friction sliding mechanism employed in an internal combustion engine of an automotive vehicle. The low friction sliding mechanism includes first and second sliding members which are in slidable contact with each other. At least one of the first and second sliding members has a sliding surface portion whose at least a part is formed of a resinous material containing hydrophilic fine particle. Additionally, a lubricant exists between the first and second sliding members and includes a friction modifier containing at least one of organic oxygen-containing compound and aliphatic amine-based compound.Type: ApplicationFiled: September 18, 2007Publication date: March 20, 2008Inventors: Seiji Kamada, Takafumi Ueno, Tomihito Hashimoto
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Publication number: 20070075502Abstract: A seal ring (10) of the present invention seals operating oil hermetically and is attached to an annular seal ring groove (16) provided on an outer circumference of a shaft member (12). The seal ring (10) includes fluororesin, modified fluororesin formed by being irradiated with an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less, and synthetic resin having a surface energy ranging 14 from +0 N/cm to 20 ˜10?5 N/cm inclusive of that of the operating oil.Type: ApplicationFiled: September 29, 2004Publication date: April 5, 2007Inventors: Tomohito Ota, Tomihito Hashimoto, Yasuaki Yamamoto, Hiroo Kusano
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Patent number: 6884827Abstract: A seal ring seals operating oil hermetically and is attached to an annular seal ring groove provided on an outer circumference of a shaft member. The seal ring comprises fluororesin, metal powder having a hardness equal to or more than that of any of a side surface of the seal ring groove serving as a sliding partner and an inner circumferential surface of a housing engaged relatively rotatable with the outer circumference of the shaft member, and modified fluororesin formed by irradiating an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less.Type: GrantFiled: April 1, 2003Date of Patent: April 26, 2005Assignees: Nissan Motor Co., Ltd., Hitachi Cable Ltd.Inventors: Tomohito Ota, Tomihito Hashimoto, Yasuaki Yamamoto, Hiroo Kusano
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Publication number: 20040082701Abstract: A sliding member formed of a resinous material is in sliding contact with a steel member in an automotive internal combustion engine. The resinous material includes a thermoplastic resin composition which includes a fluororesin in an amount ranging from 5 to 40 parts by weight, and a thermoplastic resin other than the fluororesin, in an amount ranging from 95 to 60 parts by weight. The fluororesin contains crosslink formed between at least a part of carbon atoms forming part of a molecule chain of the fluororesin and at least a part of carbon atoms forming part another molecular chain of the fluororesin, and active end group formed at least a part of the molecule chain of the fluororesin.Type: ApplicationFiled: October 16, 2003Publication date: April 29, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Tomohito Ota, Tomihito Hashimoto
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Publication number: 20030189295Abstract: A seal ring seals operating oil hermetically and is attached to an annular seal ring groove provided on an outer circumference of a shaft member. The seal ring comprises fluororesin, metal powder having a hardness equal to or more than that of any of a side surface of the seal ring groove serving as a sliding partner and an inner circumferential surface of a housing engaged relatively rotatable with the outer circumference of the shaft member, and modified fluororesin formed by irradiating an ionizing radiation in a range from 1 kGy to 10 MGy inclusive in a state of being heated up to a melting point thereof or higher under an inert gas atmosphere with an oxygen partial pressure of 1.33 kPa or less.Type: ApplicationFiled: April 1, 2003Publication date: October 9, 2003Applicants: NISSAN MOTOR CO., LTD., HITACHI CABLE, LTD.Inventors: Tomohito Ota, Tomihito Hashimoto, Yasuaki Yamamoto, Hiroo Kusano