KY

Koji Yamamoto

IC Idemitsu Petrochemical Co.: 1 patents #7 of 54Top 15%
NT NTT: 1 patents #30 of 180Top 20%
📍 Tokyo, CA: #26 of 121 inventorsTop 25%
Overall (1989): #8,927 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4882216 Epoxy resin film covered with metal foil and flexible printed wiring board Hideo Takimoto, Katsuji Tokuda 1989-11-21
4880896 Polycarbonate for disc substrate having low bisphenol content Kazunari Otsubo, Motonobu Ezoe, Hideo Ago 1989-11-14
4856048 Mobile communication system Akihisa Nakajima, Hiroshi Sawada, Noriteru Shinagawa, Jiro Itano 1989-08-08