SN

Seiji Nakama

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,638,794 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5748606 Optical disc player device with a vibration prevention mechanism Yoshiaki Nakagawa, Takashi Suzuki, Masataka Kaneda, Masakazu Kashikawa, Satoshi Kawata +3 more 1998-05-05
5396475 Disk changer Yoshiaki Nakagawa, Takashi Suzuki, Masataka Kaneda, Masakazu Kashikawa, Satoshi Kawata 1995-03-07
5377174 Disk changer having a disk tray moved by a pair of slidable, parallel racks Yoshiaki Nakagawa, Takashi Suzuki, Yasuyoshi Kagohashi, Hajime Daigaku, Tukasa Nakayama +1 more 1994-12-27