YK

Yasushi Kumashiro

HC Hitachi Chemical Company: 15 patents #73 of 1,946Top 4%
📍 Chikusei, JP: #14 of 185 inventorsTop 8%
Overall (All Time): #321,835 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
9676969 Composition set, conductive substrate and method of producing the same, and conductive adhesive composition Hideo Nakako, Kazunori Yamamoto, Shunya Yokosawa, Takaaki Noudou, Maki Inada +1 more 2017-06-13
9650528 Liquid composition, and resistor film, resistor element and circuit board Naoki Maruyama, Maki Inada 2017-05-16
9550940 Etching material Hideo Nakako, Takaaki Noudou, Maki Inada, Kyoko Kuroda 2017-01-24
9457406 Copper metal film, method for producing same, copper metal pattern, conductive wiring line using the copper metal pattern, copper metal bump, heat conduction path, bonding material, and liquid composition Hideo Nakako, Kazunori Yamamoto, Shunya Yokosawa, Katsuyuki Masuda, Yoshinori Ejiri +2 more 2016-10-04
9228100 Liquid composition, and resistor film, resistor element and circuit board using same Naoki Maruyama, Maki Inada 2016-01-05
8801971 Copper conductor film and manufacturing method thereof, conductive substrate and manufacturing method thereof, copper conductor wiring and manufacturing method thereof, and treatment solution Hideo Nakako, Kazunori Yamamoto, Youichi Machii, Shunya Yokozawa, Yoshinori Ejiri +1 more 2014-08-12
8040486 Ink for forming liquid crystal spacer and liquid crystal display device using such ink Naoki Maruyama, Kazunori Yamamoto 2011-10-18
7700185 Insulation material, film, circuit board and method of producing them Yoshitaka Hirata, Shin Takanezawa, Yasushi Shimada, Kazuhisa Otsuka, Hiroyuki Kuriya +1 more 2010-04-20
6838170 Adhesive, adhesive member, interconnecting substrate for semiconductor mounting having adhesive member, and semiconductor device containing the same Yuko Tanaka, Yasushi Shimada, Teiichi Inada, Hiroyuki Kuriya, Kazunori Yamamoto +1 more 2005-01-04
6673441 Adhesive, adhesive member, interconnecting substrate for semiconductor mounting having adhesive member, and semiconductor device containing the same Yuko Tanaka, Yasushi Shimada, Teiichi Inada, Hiroyuki Kuriya, Kazunori Yamamoto +1 more 2004-01-06
6621170 Semiconductor device, substrate for mounting semiconductor chip, processes for their production, adhesive, and double-sided adhesive film Kazunori Yamamoto, Yasushi Shimada, Teiichi Inada, Hiroyuki Kuriya, Aizo Kaneda +5 more 2003-09-16
6265782 Semiconductor device, semiconductor chip mounting substrate, methods of manufacturing the device and substrate, adhesive, and adhesive double coated film Kazunori Yamamoto, Yasushi Shimada, Teiichi Inada, Hiroyuki Kuriya, Aizo Kaneda +5 more 2001-07-24
6197149 Production of insulating varnishes and multilayer printed circuit boards using these varnishes Kazuhito Kobayashi, Atsushi Takahashi, Koji Morita, Takahiro Tanabe, Kazunori Yamamoto +6 more 2001-03-06
6090468 Multilayer wiring board for mounting semiconductor device and method of producing the same Yasushi Shimada, Teiichi Inada, Kazunori Yamamoto 2000-07-18
5965269 Adhesive, adhesive film and adhesive-backed metal foil Teiichi Inada, Kazunori Yamamoto, Yasushi Shimada 1999-10-12