SF

Seiro Fujii

Pioneer Electronic: 6 patents #303 of 1,840Top 20%
Overall (All Time): #890,357 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5417182 Apparatus for manufacturing a substrate means for an optical recording disk Satoshi Jinno, Takahiro Kobayashi 1995-05-23
5360652 Optical recording disc Takahiro Kobayashi, Satoshi Jinno 1994-11-01
5292550 Manufacturing method of substrate means for optical recording disk and apparatus therefor Satoshi Jinno, Takahiro Kobayashi 1994-03-08
5217850 Optical recording disk and manufacturing method thereof Satoshi Jinno, Takamasa Yoshikawa, Takahiro Kobayashi, Masataka Yamaguchi, Nobuyasu Negishi +4 more 1993-06-08
5087340 Method of making magneto-optical recording disk Nobuaki Onagi, Shinichiro Suzuki, Takahiro Kobayashi, Takamasa Yoshikawa, Masayasu Yamaguchi +1 more 1992-02-11
4775603 Optical-magnetic recording medium 1988-10-04