Patents by Inventor Hajime NAKAZONO
Hajime NAKAZONO 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: 12016165Abstract: The present invention aims to provide a shield package having a highly distinctive patterned portion formed on a surface of a shield layer. The shield package of the present invention includes a package in which an electronic component is sealed with a sealing material, and a shield layer covering the package, wherein a surface of the shield layer includes a patterned portion and a non-patterned portion other than the patterned portion, and a ratio of Sal (autocorrelation length) of the non-patterned portion to Sal of the patterned portion is as follows: (Sal of non-patterned portion)/(Sal of patterned portion)>4.0.Type: GrantFiled: November 19, 2019Date of Patent: June 18, 2024Assignee: Tatsuta Electric Wire & Cable Co., Ltd.Inventors: Hiroaki Umeda, Hidetoshi Noguchi, Hajime Nakazono, Sougo Ishioka
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Patent number: 11912897Abstract: The present invention provides a conductive coating material curable at low temperatures. The present invention relates to a conductive coating material containing: 100 parts by weight of an epoxy resin-containing binder component (A); 500 to 2500 parts by weight of metal particles (B); 1 to 150 parts by weight of a curing agent (C); 20 to 800 parts by weight of a solvent (D); and 0.5 to 5 parts by weight of a curing catalyst (E).Type: GrantFiled: February 18, 2019Date of Patent: February 27, 2024Assignee: Tatsuta Electric Wire & Cable Co., Ltd.Inventors: Hajime Nakazono, Kazuhiro Matsuda
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Patent number: 11834586Abstract: Provided is a conductive paint that can be cured at a temperature of 110° C. or less and has both excellent conductivity and adhesiveness. The conductive paint includes, per 100 parts by mass of a binder component (A) containing an epoxy resin, 1,000 to 4,000 parts by mass of metal particles (B), 50 to 150 parts by mass of a blocked isocyanate curing agent (C), and 200 to 1,500 parts by mass of a solvent (D).Type: GrantFiled: July 7, 2020Date of Patent: December 5, 2023Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hajime Nakazono, Masamichi Nisogi
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Publication number: 20230151228Abstract: A conductive composition is provided that can be spray coated to form a shielding layer having good shielding capability against 100 MHz to 40 GHz electromagnetic waves, and having desirable adhesion to a package with good laser mark visibility. A method of production of a shielded package with such a conductive composition is also provided.Type: ApplicationFiled: January 15, 2021Publication date: May 18, 2023Inventors: Hiroaki UMEDA, Hajime NAKAZONO, Masamichi NISOGI, Hidetoshi NOGUCHI, Kazuhiro MATSUDA
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Patent number: 11510349Abstract: The present invention provides a shield package having a highly distinctive pattern formed on a surface of a shield layer. The shield package of the present invention includes a package in which an electronic component is sealed with a resin layer, and a shield layer covering the package, wherein a surface of the resin layer includes a drawing area drawn with lines and/or dots by aggregation of multiple grooves, and a non-drawing area other than the drawing area, multiple depressions originating from the grooves are formed on a surface of the shield layer on the drawing area, and the depressions are aggregated to draw a pattern with lines and/or dots.Type: GrantFiled: July 1, 2019Date of Patent: November 22, 2022Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hiroaki Umeda, Hidetoshi Noguchi, Hajime Nakazono
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Publication number: 20220251398Abstract: Provided is a conductive paint that can be cured at a temperature of 110° C. or less and has both excellent conductivity and adhesiveness. The conductive paint includes, per 100 parts by mass of a binder component (A) containing an epoxy resin, 1,000 to 4,000 parts by mass of metal particles (B), 50 to 150 parts by mass of a blocked isocyanate curing agent (C), and 200 to 1,500 parts by mass of a solvent (D).Type: ApplicationFiled: July 7, 2020Publication date: August 11, 2022Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hajime Nakazono, Masamichi Nisogi
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Publication number: 20220030751Abstract: The present invention aims to provide a shield package having a highly distinctive patterned portion formed on a surface of a shield layer. The shield package of the present invention includes a package in which an electronic component is sealed with a sealing material, and a shield layer covering the package, wherein a surface of the shield layer includes a patterned portion and a non-patterned portion other than the patterned portion, and a ratio of Sal (autocorrelation length) of the non-patterned portion to Sal of the patterned portion is as follows: (Sal of non-patterned portion)/(Sal of patterned portion)>4.0.Type: ApplicationFiled: November 19, 2019Publication date: January 27, 2022Inventors: Hiroaki UMEDA, Hidetoshi NOGUCHI, Hajime NAKAZONO, Sougo ISHIOKA
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Patent number: 11191198Abstract: A shield package is disclosed including: a package in which an electronic component is mounted on a substrate, the electronic component being sealed with sealing material; and a shield layer including a first layer and a second layer that are sequentially laminated on the package, in which the first layer made from a conductive resin composition having 100 parts by mass of a binder component, 400 parts by mass to 1800 parts by mass of metal particles, and 0.3 part by mass to 40 parts by mass of a curing agent, the metal particles include at least spherical metal particles and flaky metal particles, and the second layer made from a conductive resin composition containing a binder component, metal particles haying an average particle diameter of 10 nm to 500 nm, metal particles having an average particle diameter of 1 ?m to 50 ?m, and a radical polymerization initiator.Type: GrantFiled: September 27, 2018Date of Patent: November 30, 2021Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Hajime Nakazono, Hidetoshi Noguchi
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Publication number: 20210076544Abstract: The present invention provides a shield package having a highly distinctive pattern formed on a surface of a shield layer. The shield package of the present invention includes a package in which an electronic component is sealed with a resin layer, and a shield layer covering the package, wherein a surface of the resin layer includes a drawing area drawn with lines and/or dots by aggregation of multiple grooves, and a non-drawing area other than the drawing area, multiple depressions originating from the grooves are formed on a surface of the shield layer on the drawing area, and the depressions are aggregated to draw a pattern with lines and/or dots.Type: ApplicationFiled: July 1, 2019Publication date: March 11, 2021Inventors: Hiroaki UMEDA, Hidetoshi NOGUCHI, Hajime NAKAZONO
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Publication number: 20210024758Abstract: The present invention provides a conductive coating material curable at low temperatures. The present invention relates to a conductive coating material containing: 100 parts by weight of an epoxy resin-containing binder component (A); 500 to 2500 parts by weight of metal particles (B); 1 to 150 parts by weight of a curing agent (C); 20 to 800 parts by weight of a solvent (D); and 0.5 to 5 parts by weight of a curing catalyst (E).Type: ApplicationFiled: February 18, 2019Publication date: January 28, 2021Inventors: Hajime NAKAZONO, Kazuhiro MATSUDA
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Publication number: 20200288608Abstract: A shield package is disclosed including: a package in which an electronic component is mounted on a substrate, the electronic component being sealed with sealing material; and a shield layer including a first layer and a second layer that are sequentially laminated on the package, in which the first layer made from a conductive resin composition having 100 parts by mass of a binder component, 400 parts by mass to 1800 parts by mass of metal particles, and 0.3 part by mass to 40 parts by mass of a curing agent, the metal particles include at least spherical metal particles and flaky metal particles, and the second layer made from a conductive resin composition containing a binder component, metal particles haying an average particle diameter of 10 nm to 500 nm, metal particles having an average particle diameter of 1 ?m to 50 ?m, and a radical polymerization initiator.Type: ApplicationFiled: September 27, 2018Publication date: September 10, 2020Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hiroaki Umeda, Kazuhiro Matsuda, Hajime Nakazono, Hidetoshi Noguchi
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Publication number: 20190292381Abstract: A conductive coating material includes at least (A) 100 parts by mass of binder component containing 5 to 30 parts by mass of solid epoxy resin which is a solid at normal temperature and 20 to 90 parts by mass of liquid epoxy resin which is a liquid at normal temperature; (B) 500 to 1800 parts by mass of metal particles; and (C) 0.3 to 40 parts by mass of hardener, in which the metal particles include (a) spherical metal particles and (b) flaky metal particles, a mass ratio of (a) the spherical metal particles to (b) the flaky metal particles is 25:75 to 75:25 (in terms of (a):(b)), and a viscosity at a liquid temperature of 25° C. of the conductive coating material is 100 to 600 m Pa·s when measured at rotation speed of 0.5 rpm with a cone-plate rotary viscometer.Type: ApplicationFiled: February 22, 2017Publication date: September 26, 2019Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.Inventors: Hajime Nakazono, Hiroaki Umeda, Kazuhiro Matsuda, Ken Yukawa
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Patent number: 10153066Abstract: A conductive paste having a viscosity suitable for filling a hole of a board, long pot life, and excellent conductivity and long-term reliability of a cured product, and a multilayer board using the same are provided. A conductive paste comprising with respect to (A) 100 parts by mass of dimer acid-modified epoxy resin, (B) from 200 to 1900 parts by mass of high melting metal powder containing silver-coated copper alloy powder and having a melting point of 800° C. or higher, (C) from 400 to 2200 parts by mass of silver-coated copper alloy powder having a melting point of 800° C. or higher, (D) from 1.0 to 20.0 parts by mass of curing agent containing a hydroxy group-containing aromatic compound, and (E) from 5.0 to 100.0 parts by mass of a flux containing polycarboxylic acid, is used as the present invention.Type: GrantFiled: February 17, 2016Date of Patent: December 11, 2018Assignee: Tatsuta Electric Wire & Cable Co., Ltd.Inventors: Hajime Nakazono, Norihiro Yamaguchi
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Publication number: 20170358381Abstract: A conductive paste having a viscosity suitable for filling a hole of a board, long pot life, and excellent conductivity and long-term reliability of a cured product, and a multilayer board using the same are provided. A conductive paste comprising with respect to (A) 100 parts by mass of dimer acid-modified epoxy resin, (B) from 200 to 1900 parts by mass of high melting metal powder containing silver-coated copper alloy powder and having a melting point of 800° C. or higher, (C) from 400 to 2200 parts by mass of silver-coated copper alloy powder having a melting point of 800° C. or higher, (D) from 1.0 to 20.0 parts by mass of curing agent containing a hydroxy group-containing aromatic compound, and (E) from 5.0 to 100.0 parts by mass of a flux containing polycarboxylic acid, is used as the present invention.Type: ApplicationFiled: February 17, 2016Publication date: December 14, 2017Inventors: Hajime NAKAZONO, Norihiro YAMAGUCHI