YI

Yoji Ishii

SO Sony: 2 patents #12,963 of 25,231Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #1,617,805 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6438076 Information recording or information recording/reproducing device Kenji Kasahara, Shigeaki Koike, Naoki Inoue 2002-08-20
D377351 Cellular phone Yuiko Toki, Ryo Kodama, Hiroshi Ozaki 1997-01-14
5260927 Optical pickup device for recordable disc and dichroic mirror Teruaki Higashihara, Kiyoshi Ohsato 1993-11-09