TS

Toshiaki Suhara

Fujitsu Limited: 3 patents #187 of 1,515Top 15%
Mitsubishi Electric: 1 patents #400 of 1,307Top 35%
Overall (1989): #3,470 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4885732 Optical pickup apparatus for detecting and correcting focusing and tracking errors in detected recorded signals Hiroshi Sunagawa, Hiroshi Nishihara 1989-12-05
4868803 Magneto-optic pickup head including tracking and focusing error correction Hiroshi Sunagawa, Hiroshi Nishihara 1989-09-19
4859033 Method of producing optical head assembly Keizo Kono, Mitsushige Kondou, Natsuro Tsubouchi, Shiro Hine, Hiroshi Nishihara 1989-08-22
4833561 Pickup apparatus for magneto-optical recording medium Hiroshi Sunagawa, Hiroshi Nishihara 1989-05-23