YK

Yoshimi Katou

HI Hitachi: 2 patents #343 of 3,149Top 15%
Overall (1994): #15,686 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

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