Patents by Inventor Hiroyuki Nikamoto
Hiroyuki Nikamoto 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: 9233857Abstract: A sterilization device includes a housing having a flow passage R of a fluid that is to be sterilized; and an LED element being disposed in the housing to irradiate ultraviolet light into the flow passage R, wherein an inner wall surface of the flow passage has a pair of reflection surfaces (a first reflection surface and a second reflection surface) which directs the ultraviolet light irradiated from the LED element from one side of the flow passage R to another side thereof while reflecting the ultraviolet light a plurality of times; and a return surface that includes a surface that is perpendicular to an optical axis of the light which has been reflected a plurality of times from one side to the other side, and returns the light toward its original direction is formed on a side of the first reflection surface.Type: GrantFiled: April 25, 2013Date of Patent: January 12, 2016Assignee: NOK CORPORATIONInventor: Hiroyuki Nikamoto
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Publication number: 20150129777Abstract: A sterilization device includes a housing having a flow passage R of a fluid that is to be sterilized; and an LED element being disposed in the housing to irradiate ultraviolet light into the flow passage R, wherein an inner wall surface of the flow passage has a pair of reflection surfaces (a first reflection surface and a second reflection surface) which directs the ultraviolet light irradiated from the LED element from one side of the flow passage R to another side thereof while reflecting the ultraviolet light a plurality of times; and a return surface that includes a surface that is perpendicular to an optical axis of the light which has been reflected a plurality of times from one side to the other side, and returns the light toward its original direction is formed on a side of the first reflection surface.Type: ApplicationFiled: April 25, 2013Publication date: May 14, 2015Inventor: Hiroyuki Nikamoto
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Patent number: 8117749Abstract: A process for producing a metallic gasket, which comprises making a thin metallic sheet into a solid figure having an inclined surface, thereby providing a bead region extended upwardly and downwardly over the inclined surface, and forming a sealing part made of a hardened rubber layer on the surface of bead region, characterized by forming a sealing part extended from the apex of the bead region down to an upperward position on the inclined surface, and another sealing part extended from a downward position on the inclined surface down to the flat bottom part, and joining the sealing parts by the rubber material in a solution state extended along the inclined surface from both of the sealing parts, before drying and hardening of the material for making sealing parts. Application of the rubber material in a solution state is carried out preferably by a screen printing process.Type: GrantFiled: July 19, 2006Date of Patent: February 21, 2012Assignees: NOK Corporation, Ishino Gasket Mfg., Co., Ltd.Inventors: Hiroyuki Nikamoto, Naoki Matsumoto, Toshihiro Higashira, Namieki Oosawa, Tomonori Funatsu
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Patent number: 8096324Abstract: To restrain abnormal deformation of a bellows due to a pressure difference between the inside and outside thereof, an outside gas type accumulator includes a pressure difference regulation mechanism (21) having a movable plate (22) supported by a coil spring (23) on the oil port (4) side of a bellows cap (8), the plate (22) moves together with the cap (8) in a state of being supported by the spring (23), during normal operation, the plate (22) moves together with the cap (8) to be brought into contact with a seal (13) at zero-down time, and the plate (22) keeps contact with the seal (13) and the cap (8) moves to a position where liquid pressure and gas pressure balances while compressing the spring (23) when the liquid and the charged gas expand thermally.Type: GrantFiled: August 7, 2008Date of Patent: January 17, 2012Assignees: NOK Corporation, Advics Co., Ltd.Inventors: Shinya Nakaoka, Kuniaki Miyake, Tomonari Saito, Hiroyuki Nikamoto, Eiji Mizutani, Tomoo Ogura
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Patent number: 7789210Abstract: To make it unnecessary to insert a plate spring as a separate part between a metal ring (2) and a mating member (11) to be coupled therewith such as a clutch plate, and reduce the number of parts and the assembly manhours, the sealing device (1) includes the metal ring (2) and seal sections (3) such as packings supported by the metal ring (2), and the metal ring (2) is provided with a intimate-contact region (4) for intimately contacting to the mating member (11) to be coupled, wherein the sealing device (1) is characterized in that the intimate-contact region (4) of the metal ring (2) is integrally formed with pawl-like intimate-contact sections (6) which are in the form of a pawl and which exert spring force on the mating member (11) to be coupled, and is used, for example, as a bonded piston seal (BPS) in an automatic transmission.Type: GrantFiled: June 6, 2005Date of Patent: September 7, 2010Assignee: NOK CorporationInventors: Yasunari Hamaya, Kiichiro Goto, Ken Yoshikawa, Shinji Nagasawa, Yoshiyuki Kanzaki, Yasushi Sugiyama, Hiroyuki Nikamoto
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Publication number: 20100193059Abstract: To restrain abnormal deformation of a bellows due to a pressure difference between the inside and outside thereof, an outside gas type accumulator includes a pressure difference regulation mechanism (21) having a movable plate (22) supported by a coil spring (23) on the oil port (4) side of a bellows cap (8), the plate (22) moves together with the cap (8) in a state of being supported by the spring (23), during normal operation, the plate (22) moves together with the cap (8) to be brought into contact with a seal (13) at zero-down time, and the plate (22) keeps contact with the seal (13) and the cap (8) moves to a position where liquid pressure and gas pressure balances while compressing the spring (23) when the liquid and the charged gas expand thermally.Type: ApplicationFiled: August 7, 2008Publication date: August 5, 2010Applicants: NOK CORPORATION, ADVICS CO., LTD.Inventors: Shinya Nakaoka, Kuniaki Miyake, Tomonari Saito, Hiroyuki Nikamoto, Eiji Mizutani, Tomoo Ogura
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Patent number: 7667455Abstract: An annular magnetic encoder is provided in which a plurality of S magnetic poles and N magnetic poles are alternately arranged in an arrangement pattern. The arrangement pattern comprises: a plurality of index parts provided in a circumferential direction at fixed intervals; a plurality of standard pitch parts provided between the index parts; and a plurality of specific pitch parts provided in all of the standard pitch parts or in the standard pitch parts other than one standard pitch part, where the specific pitch parts are arranged in different positions within each of the standard pitch parts.Type: GrantFiled: July 12, 2005Date of Patent: February 23, 2010Assignee: NOK CorporationInventors: Yasushi Sugiyama, Hiroyuki Nikamoto, Takashi Ota, Junichi Wakabayashi
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Publication number: 20090229106Abstract: A process for producing a metallic gasket, which comprises making a thin metallic sheet into a solid figure having an inclined surface, thereby providing a bead region extended upwardly and downwardly over the inclined surface, and forming a sealing part made of a hardened rubber layer on the surface of bead region, characterized by forming a sealing part extended from the apex of the bead region down to an upperward position on the inclined surface, and another sealing part extended from a downward position on the inclined surface down to the flat bottom part, and joining the sealing parts by the rubber material in a solution state extended along the inclined surface from both of the sealing parts, before drying and hardening of the material for making sealing parts. Application of the rubber material in a solution state is carried out preferably by a screen printing process.Type: ApplicationFiled: July 19, 2006Publication date: September 17, 2009Inventors: Hiroyuki Nikamoto, Naoki Matsumoto, Toshihiro Higashira, Namieki Oosawa, Tomonori Funatsu
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Publication number: 20080061771Abstract: An annular magnetic encoder in which a plurality of S poles and N poles, the S poles and the N poles being magnetic poles, are alternately arranged, the magnetic encoder has a structure in which a change in width of the magnetic poles in a rotational direction according to a rotational angle allows the rotational angle to be specified, so that little rotation can specify a rotational angle.Type: ApplicationFiled: July 12, 2005Publication date: March 13, 2008Applicant: NOK CorporationInventors: Yasushi Sugiyama, Hiroyuki Nikamoto, Takashi Ota, Junichi Wakabayashi
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Publication number: 20070256557Abstract: To make it unnecessary to insert a plate spring as a separate part between a metal ring (2) and a mating member (11) to be coupled therewith such as a clutch plate, and reduce the number of parts and the assembly manhours, the sealing device (1) includes the metal ring (2) and seal sections (3) such as packings supported by the metal ring (2), and the metal ring (2) is provided with a intimate-contact region (4) for intimately contacting to the mating member (11) to be coupled, wherein the sealing device (1) is characterized in that the intimate-contact region (4) of the metal ring (2) is integrally formed with pawl-like intimate-contact sections (6) which are in the form of a pawl and which exert spring force on the mating member (11) to be coupled, and is used, for example, as a bonded piston seal (BPS) in an automatic transmission.Type: ApplicationFiled: June 6, 2005Publication date: November 8, 2007Applicant: NOK CORPORATIONInventors: Yasunari Hamaya, Kiichiro Goto, Ken Yoshikawa, Shinji Nagasawa, Yoshiyuki Kanzaki, Yasushi Sugiyama, Hiroyuki Nikamoto
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Patent number: 5653864Abstract: A protein biosensor, which comprises an insulating substrate, a working electrode, a counter-electrode and a reference electrode, each electrodes provided on the insulating substrate, the working electrode comprising a first lead electrode and a thin protein-sensitive metallic film provided on the first lead electrode and the reference electrode comprising a second lead electrode and a silver/silver chloride electrode provided on the second lead electrode is simple in the structure and can be made smaller in the size, enabling easy manufacturing and operation, where measurement of a protein concentration is carried out with a carrier containing KCl or NaCl as dissolved therein.Type: GrantFiled: June 7, 1995Date of Patent: August 5, 1997Assignee: NOK CorporationInventors: Masao Gotoh, Hiroyuki Nikamoto, Hiroki Mure, Shinichi Uchida