IS

Itaru Shibata

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
Overall (All Time): #1,060,306 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5138572 Optical information memory medium including indium (In) and bismuth (Bi) Nagaaki Koshino, Miyozo Maeda, Yasuyuki Goto, Kenichi Utsumi, Akira Ushioda +2 more 1992-08-11
5072423 Optical information memory medium recording and erasing information including gallium and antimony Nagaaki Koshino, Miyozo Maeda, Yasuyuki Goto, Kenichi Utsumi, Akira Ushioda +2 more 1991-12-10
5058061 Method for recording information in an optical information memory medium including indium (In) and Antimony (Sb) Nagaaki Koshino, Miyozo Maeda, Yasuyuki Goto, Kenichi Utsumi, Akira Ushioda +2 more 1991-10-15
4947372 Optical information memory medium for recording and erasing information Nagaaki Koshino, Miyozo Maeda, Yasuyuki Goto, Kenichi Utsumi, Akira Ushioda +2 more 1990-08-07
4627040 Optical disk tracking apparatus Shigeru Arai, Akira Minami, Koichi Ogawa 1986-12-02