TS

Toshio Sugiyama

HI Hitachi: 2 patents #339 of 2,942Top 15%
Overall (1997): #21,159 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5699341 Optical disk apparatus and optical head thereof Yasuyuki Sugi, Nobuo Imada, Hidenori Shinohara, Yukio Fukui 1997-12-16
5615204 Structure for supporting optical pickup Masayoshi Watanabe, Hiroshi Ogasawara, Shozo Saegusa 1997-03-25