Patents by Inventor Masayoshi Nitta
Masayoshi Nitta 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: 9674410Abstract: An electronic device module includes a metallic casing having at least one boss formed therein, an electronic device unit placed inside the casing, connector terminals for external device connection electrically connected to the electronic device unit, and a metallic ground shell disposed so as to surround the connector terminals, having a front surface covered with a metal coated layer and including at least one boss insertion portion formed, a head of the at least one boss inserted into the at least one boss insertion portion and the coated layer positioned on a periphery of the corresponding at least one boss insertion portion being welded to each other to electrically connect and fix the ground shell to the casing.Type: GrantFiled: December 26, 2013Date of Patent: June 6, 2017Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Yuichi Uchiyama, Masao Higuchi, Tadashi Ishiwa, Masayoshi Nitta
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Patent number: 9270056Abstract: In a connector that includes a board connector mounted on a board and a cable connector attached to ends of both a shielded cable and a non-shielded cable and connected to the board connector, the cable connector includes contacts connected respectively to the core wires of the shielded cable and the non-shielded cable and a shield shell that surrounds only the contacts connected to the core wires of the shielded cable, and the board connector includes board contacts connected respectively to the contacts of the cable connector and a shield shell that surrounds only the board contacts connected to the contacts surrounded by the shield shell of the cable connector. The connector properly shields the contacts connected to the core wires of the shielded cable in both of the mutually connected connectors and makes it easy to perform impedance matching.Type: GrantFiled: January 7, 2014Date of Patent: February 23, 2016Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Masao Higuchi, Tadashi Ishiwa, Masayoshi Nitta
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Patent number: 9065219Abstract: A connector has a shell and a detection terminal. The shell is formed with a spring portion, which has a front end of a fixed end and extends rearwards. The spring portion includes a pressed portion and a contact portion. The pressed portion is pressed by a mating connector upon insertion of the mating connector into the connector along a front-rear direction. The contact portion is movable in a predetermined direction perpendicular to the front-rear direction. The shell and the detection terminal distinct and separated from the shell form a detection switch. A state of the detection switch is changed due to the movement of the contact portion in the predetermined direction when the pressed portion is pressed by the mating connector, so that the insertion of the mating connector is detected.Type: GrantFiled: June 17, 2013Date of Patent: June 23, 2015Assignee: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Takeharu Naito, Masayoshi Nitta
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Publication number: 20150056859Abstract: In a connector that includes a board connector mounted on a board and a cable connector attached to ends of both a shielded cable and a non-shielded cable and connected to the board connector, the cable connector includes contacts connected respectively to the core wires of the shielded cable and the non-shielded cable and a shield shell that surrounds only the contacts connected to the core wires of the shielded cable, and the board connector includes board contacts connected respectively to the contacts of the cable connector and a shield shell that surrounds only the board contacts connected to the contacts surrounded by the shield shell of the cable connector. The connector properly shields the contacts connected to the core wires of the shielded cable in both of the mutually connected connectors and makes it easy to perform impedance matching.Type: ApplicationFiled: January 7, 2014Publication date: February 26, 2015Applicant: JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITEDInventors: Masao HIGUCHI, Tadashi ISHIWA, Masayoshi NITTA
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Publication number: 20150029337Abstract: An electronic device module includes a metallic casing having at least one boss formed therein, an electronic device unit placed inside the casing, connector terminals for external device connection electrically connected to the electronic device unit, and a metallic ground shell disposed so as to surround the connector terminals, having a front surface covered with a metal coated layer and including at least one boss insertion portion formed, a head of the at least one boss inserted into the at least one boss insertion portion and the coated layer positioned on a periphery of the corresponding at least one boss insertion portion being welded to each other to electrically connect and fix the ground shell to the casing.Type: ApplicationFiled: December 26, 2013Publication date: January 29, 2015Applicant: Japan Aviation Electronics Industry, LimitedInventors: Yuichi UCHIYAMA, Masao HIGUCHI, Tadashi ISHIWA, Masayoshi NITTA
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Publication number: 20140187091Abstract: A connector comprises a shell and a detection terminal. The shell is formed with a spring portion, which has a front end of a fixed end and extends rearwards. The spring portion includes a pressed portion and a contact portion. The pressed portion is pressed by a mating connector upon insertion of the mating connector into the connector along a front-rear direction. The contact portion is movable in a predetermined direction perpendicular to the front-rear direction. The shell and the detection terminal distinct and separated from the shell form a detection switch. A state of the detection switch is changed due to the movement of the contact portion in the predetermined direction when the pressed portion is pressed by the mating connector, so that the insertion of the mating connector is detected.Type: ApplicationFiled: June 17, 2013Publication date: July 3, 2014Inventors: Takeharu NAITO, Masayoshi NITTA
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Patent number: 5569703Abstract: An adhesive comprising an aqueous emulsion of a copolymer containing an ethylene unit (A), a vinyl ester unit (B), and an acetoacetyl group-containing copolymerizable monomer unit (C) in a weight ratio of (A)/(B)/(C)=(5 to 70)/100/(0.1 to 10).Type: GrantFiled: March 14, 1995Date of Patent: October 29, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Yuuzi Yoshii, Yasuo Kaneshima, Masayoshi Nitta, Tatsuhiko Amano
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Patent number: 5110856Abstract: A vinyl acetate-ethylene copolymer emulsion is disclosed, comprising a vinyl acetate-ethylene copolymer composed of from 10 to 40% by weight of an ethylene unit and from 90 to 60% by weight of a vinyl acetate unit and an emulsifying dispersant in an amount of from 2.5 parts by weight or more but less than 5.0 parts by weight per 100 parts by weight of the vinyl acetate unit, and having a mean particle size of not larger than 0.9 .mu.m and a solids content of from 65 to 75% by weight, wherein the emulsifying dispersant contains from 1.0 to 1.9 parts by weight of partially saponified polyvinyl alcohol prepared so as to have an average polymerization degree of from 300 to 1,000 and from 1.0 to 3.0 parts by weight of a polyoxyethylene nonionic surface active agent having an HLB of from 16.5 to 17.5 per 100 parts by weight of the vinyl acetate unit. A process for producing the vinyl acetate-ethylene copolymer is also disclosed.Type: GrantFiled: September 17, 1991Date of Patent: May 5, 1992Assignee: Sumitomo Chemical Co., Ltd.Inventors: Takeo Oyamada, Yoshito Taira, Masayoshi Nitta, Yasuo Kaneshima, Tateshi Kurino, Shizuo Narisawa
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Patent number: 5070134Abstract: A vinyl acetate-ethylene copolymer emulsion is disclosed, comprising a vinyl acetate-ethylene copolymer composed of from 10 to 40% by weight of an ethylene unit and from 90 to 60% by weight of a vinyl acetate unit and an emulsifying dispersant in an amount of from 2.5 parts by weight or more but less than 5.0 parts by weight per 100 parts by weight of the vinyl acetate unit, and having a mean particle size of not larger than 0.9 .mu.m and a solids content of from 65 to 75% by weight, wherein the emulsifying dispersant contains from 1.0 to 1.9 parts by weight of partially saponified polyvinyl alcohol prepared so as to have an average polymerization degree of from 300 to 1,000 and from 1.0 to 3.0 parts by weight of a polyoxyethylene nonionic surface active agent having an HLB of from 16.5 to 17.5 per 100 parts by weight of the vinyl acetate unit. A process for producing the vinyl acetate-ethylene copolymer is also disclosed.Type: GrantFiled: February 28, 1990Date of Patent: December 3, 1991Assignee: Sumitomo Chemical Co., Ltd.Inventors: Takeo Oyamada, Yoshito Taira, Masayoshi Nitta, Yasuo Kaneshima, Tateshi Kurino, Shizuo Narisawa
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Patent number: 4247686Abstract: A process is provided for reducing the concentration of vinyl chloride monomer in a polymerized slurry obtained by the suspension-polymerization of vinyl chloride alone or a mixture of vinyl chloride with a monomer copolymerizable therewith, the improvement characterized in that a polymerized slurry at a temperature between 40.degree. C. and 100.degree. C. is jetted and/or flowed down into the gas phase portion of a vessel maintained at a pressure below atmospheric pressure.Type: GrantFiled: April 17, 1978Date of Patent: January 27, 1981Assignee: Sumitomo Chemical Company, LimitedInventors: Yutaka Takemoto, Syozo Senguro, Masayoshi Nitta