Patents by Inventor Michiaki Shimizu
Michiaki Shimizu 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: 10574238Abstract: An inspection circuit for inspecting a connection state between a semiconductor storage element including a storage section, and a semiconductor element connected to the semiconductor storage element, the inspection circuit includes: an input terminal that is input with a test signal to be sent to a first controller; an input/output terminal that is input and output with data to be written to or read from the storage section; a first inspection section that is input with an inspection signal; a second inspection section, disposed between the input terminal and the first controller, that converts the test signal to a control signal at a predetermined logic level under control of the first inspection section; and a third inspection section, disposed between the input/output terminal and a second controller, that sends the test signal to the second controller under control of the first inspection section.Type: GrantFiled: January 25, 2018Date of Patent: February 25, 2020Assignee: LAPIS SEMICONDUCTOR CO., LTD.Inventor: Michiaki Shimizu
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Publication number: 20180226973Abstract: An inspection circuit for inspecting a connection state between a semiconductor storage element including a storage section, and a semiconductor element connected to the semiconductor storage element, the inspection circuit includes: an input terminal that is input with a test signal to be sent to a first controller; an input/output terminal that is input and output with data to be written to or read from the storage section; a first inspection section that is input with an inspection signal; a second inspection section, disposed between the input terminal and the first controller, that converts the test signal to a control signal at a predetermined logic level under control of the first inspection section; and a third inspection section, disposed between the input/output terminal and a second controller, that sends the test signal to the second controller under control of the first inspection section.Type: ApplicationFiled: January 25, 2018Publication date: August 9, 2018Inventor: MICHIAKI SHIMIZU
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Patent number: 9466967Abstract: An oil-cooled equipment harness includes a front end to be enclosed in a shielding case of an oil-cooled equipment for connecting to a terminal of a body of the oil-cooled equipment disposed in the shielding case, a wire including a conductor, a sheath including an insulating elastic member on a periphery side of the conductor, and a flexibility, a terminal fitting enclosing a portion of the conductor and a portion of the sheath of the wire, connecting to the conductor, and connecting to the terminal of the body of the oil-cooled equipment, a housing attached to shielding case and enclosing a periphery of the wire a predetermined distance away from the terminal fitting such that the wire is exposed from the terminal fitting, and an oil entry-preventing unit disposed between the wire and the terminal fitting for preventing oil in the shielding case from entering into the conductor.Type: GrantFiled: January 29, 2014Date of Patent: October 11, 2016Assignee: HITACHI METALS, LTD.Inventors: Nobuyuki Yamashita, Masaaki Imahori, Michiaki Shimizu
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Patent number: 8803006Abstract: An electrical wire holding device includes a seal retention member having an insertion hole configured to allow an electrical wire to be inserted therethrough, and housed in a mounting hole formed in a mounted member, an outer periphery seal member retained on an outer peripheral surface of the seal retention member, and sealing a gap between an inner surface of the mounting hole and seal retention member, and an electrical wire holding member juxtaposed with the seal retention member along the electrical wire, and having a fixing part configured to retain the electrical wire and fixing the electrical wire to the mounted member. The seal retention member is configured to be relatively movable to the electrical wire holding member.Type: GrantFiled: May 8, 2012Date of Patent: August 12, 2014Assignee: Hitachi Metals, Ltd.Inventors: Masaaki Imahori, Shinji Ito, Nobuyuki Yamashita, Koichi Kato, Michiaki Shimizu
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Publication number: 20140144700Abstract: An oil-cooled equipment harness includes a front end to be enclosed in a shielding case of an oil-cooled equipment for connecting to a terminal of a body of the oil-cooled equipment disposed in the shielding case, a wire including a conductor, a sheath including an insulating elastic member on a periphery side of the conductor, and a flexibility, a terminal fitting enclosing a portion of the conductor and a portion of the sheath of the wire, connecting to the conductor, and connecting to the terminal of the body of the oil-cooled equipment, a housing attached to shielding case and enclosing a periphery of the wire a predetermined distance away from the terminal fitting such that the wire is exposed from the terminal fitting, and an oil entry-preventing unit disposed between the wire and the terminal fitting for preventing oil in the shielding case from entering into the conductor.Type: ApplicationFiled: January 29, 2014Publication date: May 29, 2014Applicant: HITACHI CABLE, LTD.Inventors: Nobuyuki Yamashita, Masaaki Imahori, Michiaki Shimizu
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Patent number: 8680396Abstract: An oil-cooled equipment harness includes a shielded wire including a conductor, a shielding layer on a periphery of the conductor, and a flexibility, a terminal fitting enclosing a front end part of the shielded wire, a housing enclosing a periphery of the shielded wire a predetermined distance away from the terminal fitting such that shielded wire is exposed from the terminal fitting, the housing including a flange, a first oil entry-preventing means disposed at a space between the shielded wire and the terminal fitting for preventing oil in the shielding case from entering into the conductor, and an oil leak-preventing means disposed at a space between the housing and the shielding case for preventing the oil in the shielding case from leaking out of the shielding case. The terminal fitting and the housing are relatively movable by the shielded wire exposed at between the terminal fitting and the housing.Type: GrantFiled: July 28, 2011Date of Patent: March 25, 2014Assignee: Hitachi Cable, Ltd.Inventors: Nobuyuki Yamashita, Masaaki Imahori, Michiaki Shimizu
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Publication number: 20120285729Abstract: An electrical wire holding device includes a seal retention member having an insertion hole configured to allow an electrical wire to be inserted therethrough, and housed in a mounting hole formed in a mounted member, an outer periphery seal member retained on an outer peripheral surface of the seal retention member, and sealing a gap between an inner surface of the mounting hole and seal retention member, and an electrical wire holding member juxtaposed with the seal retention member along the electrical wire, and having a fixing part configured to retain the electrical wire and fixing the electrical wire to the mounted member. The seal retention member is configured to be relatively movable to the electrical wire holding member.Type: ApplicationFiled: May 8, 2012Publication date: November 15, 2012Applicant: Hitachi Cable, Ltd.Inventors: Masaaki IMAHORI, Shinji Ito, Nobuyuki Yamashita, Koichi Kato, Michiaki Shimizu
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Publication number: 20120024599Abstract: An oil-cooled equipment harness includes a shielded wire including a conductor, a shielding layer on a periphery of the conductor, and a flexibility, a terminal fitting enclosing a front end part of the shielded wire, a housing enclosing a periphery of the shielded wire a predetermined distance away from the terminal fitting such that shielded wire is exposed from the terminal fitting, the housing including a flange, a first oil entry-preventing means disposed at a space between the shielded wire and the terminal fitting for preventing oil in the shielding case from entering into the conductor, and an oil leak-preventing means disposed at a space between the housing and the shielding case for preventing the oil in the shielding case from leaking out of the shielding case. The terminal fitting and the housing are relatively movable by the shielded wire exposed at between the terminal fitting and the housing.Type: ApplicationFiled: July 28, 2011Publication date: February 2, 2012Applicant: Hitachi Cable Ltd.Inventors: Nobuyuki YAMASHITA, Masaaki IMAHORI, Michiaki SHIMIZU
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Patent number: 7713101Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.Type: GrantFiled: June 5, 2009Date of Patent: May 11, 2010Assignee: Hitachi Cable, Ltd.Inventors: Taichi Oka, Kenji Nakajima, Hideaki Takehara, Michiaki Shimizu, Shinji Ito, Toru Sumi
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Publication number: 20090247024Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.Type: ApplicationFiled: June 5, 2009Publication date: October 1, 2009Inventors: Taichi OKA, Kenji Nakajima, Hideaki Takehara, Michiaki Shimizu, Shinji Ito, Toru Sumi
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Patent number: 7594832Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.Type: GrantFiled: December 8, 2006Date of Patent: September 29, 2009Assignee: Hitachi Cable, Ltd.Inventors: Taichi Oka, Kenji Nakajima, Hideaki Takehara, Michiaki Shimizu, Shinji Ito, Toru Sumi
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Patent number: 7488893Abstract: A flexible, non-halogen electric wire comprises a conductor fabricated by twisting a plurality of strands and an insulator covering the conductor; wherein: the diameter of each of strands is 0.12 to 0.31 mm; the insulator includes an ethylene copolymer including 25 to 40 weight percent of vinyl monomer, which has an oxygen element in its molecular structure, other than vinyl acetate as a main constituent and also includes an elastomer as an accessory constituent; the main and accessory constituents are mixed to prepare a resin material; the resin material and a metallic hydroxide are mixed to prepare a cladding material; the conductor is covered with the cladding material; and the cladding material is then bridged to form a cross-linked resin.Type: GrantFiled: August 30, 2007Date of Patent: February 10, 2009Assignee: Hitachi Cable, Ltd.Inventors: Akinari Nakayama, Michiaki Shimizu
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Publication number: 20080053696Abstract: A flexible, non-halogen electric wire comprises a conductor fabricated by twisting a plurality of strands and an insulator covering the conductor; wherein: the diameter of each of strands is 0.12 to 0.31 mm; the insulator includes an ethylene copolymer including 25 to 40 weight percent of vinyl monomer, which has an oxygen element in its molecular structure, other than vinyl acetate as a main constituent and also includes an elastomer as an accessory constituent; the main and accessory constituents are mixed to prepare a resin material; the resin material and a metallic hydroxide are mixed to prepare a cladding material; the conductor is covered with the cladding material; and the cladding material is then bridged to form a cross-linked resin.Type: ApplicationFiled: August 30, 2007Publication date: March 6, 2008Inventors: Akinari Nakayama, Michiaki Shimizu
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Patent number: 7247795Abstract: A shield wire has a wire main body that has a conductor and an insulation covering the conductor. The conductor has a single wire or a stranded wire. A shield member is disposed on an outer circumference of the wire main body. The shield member has a tubular body having an inner sleeve, a braided shield and an outer sleeve, and a metal pipe is disposed on the outer circumference of the wire main body. The tubular body is electrically connected to the metal pipe at an end thereof. The shield wire further has a first connector member with a flange, wherein the first connector member is electrically connected to the tubular body at an other end of the tubular body where the tubular body is not connected to the metal pipe.Type: GrantFiled: December 5, 2005Date of Patent: July 24, 2007Assignee: Hitachi Cable. Ltd.Inventors: Toru Sumi, Seigi Aoyama, Nobuyuki Yamashita, Michiaki Shimizu, Hiroshi Okikawa
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Publication number: 20070149050Abstract: A male terminal 10 has a wire connecting portion 13 at one end to be connected to an electric wire, and an inserting contact portion 12 at another end to be inserted into a female terminal 30. A plate member of the inserting contact portion 12 is bent to have a U-shape cross section. The female terminal 30 has a terminal energizing portion 31 composed of a high conductivity material having a frame structure for accommodating the male terminal 10, a terminal box 32 composed of a material having a strength higher than that of the high conductivity material of the terminal energizing portion 31 for covering the terminal energizing portion 31, and a spring 33 located within the terminal energizing portion 31 for fixing the male terminal 10. The spring 33 is formed integrally with the terminal box 32.Type: ApplicationFiled: December 8, 2006Publication date: June 28, 2007Inventors: Taichi Oka, Kenji Nakajima, Hideaki Takehara, Michiaki Shimizu, Shinji Ito, Toru Sumi
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Patent number: 7153146Abstract: A termination structure of a cable with a shield layer wherein a part of a jacket of the cable is removed at an end of the cable to expose a part of the shield layer and the exposed part of the shield layer is grounded to a fitting object and the cable is fitted in water-tightness with the fitting object. The termination structure has: a metallic sleeve disposed on the jacket of the cable, the metallic sleeve being covered with the exposed part of the shield layer being folded at an end of the jacket; a cylindrical metal fitting being disposed on the periphery of the folded shield layer and swaged at a fixing section corresponding to the folded shield layer to fix the cable; and a heat-shrinkable tube disposed on the periphery of the cylindrical metal fitting and the jacket.Type: GrantFiled: April 15, 2005Date of Patent: December 26, 2006Assignee: Hitachi Cable, Ltd.Inventors: Michiaki Shimizu, Noboru Sato, Shinji Ito, Nobuyuki Yamashita
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Publication number: 20060234547Abstract: A termination structure of a cable with a shield layer wherein a part of a jacket of the cable is removed at an end of the cable to expose a part of the shield layer and the exposed part of the shield layer is grounded to a fitting object and the cable is fitted in water-tightness with the fitting object. The termination structure has: a metallic sleeve disposed on the jacket of the cable, the metallic sleeve being covered with the exposed part of the shield layer being folded at an end of the jacket; a cylindrical metal fitting being disposed on the periphery of the folded shield layer and swaged at a fixing section corresponding to the folded shield layer to fix the cable; and a heat-shrinkable tube disposed on the periphery of the cylindrical metal fitting and the jacket.Type: ApplicationFiled: April 15, 2005Publication date: October 19, 2006Inventors: Michiaki Shimizu, Noboru Sato, Shinji Ito, Nobuyuki Yamashita
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Publication number: 20060137893Abstract: A shield wire has: a wire main body that has a conductor and an insulation covering the conductor, the conductor having a single wire or a stranded wire; and a shield member that is disposed on an outer circumference of the wire main body. The shield member has a tubular body having an inner sleeve, an braided shield and an outer sleeve, and a metal pipe is disposed on the outer circumference of the wire main body. The tubular body is electrically connected to the metal pipe at an end thereof. The shield wire further has a first connector member with a flange, wherein the first connector member is electrically connected to the tubular body at an other end of the tubular body where the tubular body is not connected to the metal pipe.Type: ApplicationFiled: December 5, 2005Publication date: June 29, 2006Inventors: Toru Sumi, Seigi Aoyama, Nobuyuki Yamashita, Michiaki Shimizu, Hiroshi Okikawa
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Patent number: 6893273Abstract: A terminal structure of cable with shield layer has: a metal tube one end of which is inserted between the insulation and the shield layer that are exposed by peeling a jacket of the cable and the other end of which is inserted into a penetrating hole in the attached object; a metal sleeve that is disposed on the shield layer and is fastened to make the one end of the metal tube closely contact the insulation; a heat shrinkage tube that covers the metal tube, the metal sleeve and the jacket and has a hot-melt layer formed at the inside of the heat shrinkage tube; and a shield member that is disposed on the other end of the metal tube such that the shield member closely contacts the wall of the penetrating hole to give a water-tightness therebetween.Type: GrantFiled: October 23, 2003Date of Patent: May 17, 2005Assignee: Hitachi Cable, Ltd.Inventors: Noboru Sato, Michiaki Shimizu
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Publication number: 20040115975Abstract: A terminal structure of cable with shield layer has: a metal tube one end of which is inserted between the insulation and the shield layer that are exposed by peeling a jacket of the cable and the other end of which is inserted into a penetrating hole in the attached object; a metal sleeve that is disposed on the shield layer and is fastened to make the one end of the metal tube closely contact the insulation; a heat shrinkage tube that covers the metal tube, the metal sleeve and the jacket and has a hot-melt layer formed at the inside of the heat shrinkage tube; and a shield member that is disposed on the other end of the metal tube such that the shield member closely contacts the wall of the penetrating hole to give a water-tightness therebetween.Type: ApplicationFiled: October 23, 2003Publication date: June 17, 2004Applicant: Hitachi Cable, Ltd.Inventors: Noboru Sato, Michiaki Shimizu