HY

Hiroyoshi Yokoyama

HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
HA Hitachi Aic: 1 patents #6 of 18Top 35%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
📍 Tochigi, JP: #853 of 2,789 inventorsTop 35%
Overall (All Time): #1,287,048 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5826330 Method of manufacturing multilayer printed wiring board Satoshi Isoda, Yasuhiro Iwasaki, Kenshirou Fukuzato, Tsutomu Zama, Koichi Noguchi +2 more 1998-10-27
5153987 Process for producing printed wiring boards Hiroshi Takahashi, Shin Takanezawa, Masao Kanno, Toshiro Okamura, Naoki Fukutomi +4 more 1992-10-13
5053280 Adhesive composition for printed wiring boards with acrylonitrile-butadiene rubber having carboxyl groups and 20 PPM or less metal ionic impurities; an alkyl phenol resin; an epoxy resin; palladium catalyst, and coupling agent Shin Takanezawa, Yorio Iwasaki, Hiroshi Takaahashi, Toshiro Okamura, Saburo Amano +2 more 1991-10-01
4585502 Process for producing printed circuit board Nobuo Uozu, Yoichi Matsuda 1986-04-29