NT

Nobuyoshi Tsuboi

HI Hitachi: 3 patents #145 of 3,149Top 5%
📍 Ibaraki, JP: #17 of 576 inventorsTop 3%
Overall (1994): #9,962 of 165,921Top 7%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5371730 Optical memory and information processing apparatus Yoshihito Maeda, Isao Ikuta, Masaichi Nagai, Yoshimi Katou, Hisashi Andoh +4 more 1994-12-06
5317556 Information processing apparatus and optical head incorporated therein Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh, Masaichi Nagai, Isao Ikuta +4 more 1994-05-31
5311494 Optical disk apparatus and optical head Tatsuya Sugita, Yoshio Sato, Hiroyuki Minemura, Hisashi Andoh 1994-05-10