RI

Ryo Imura

HI Hitachi: 3 patents #145 of 3,149Top 5%
📍 Kokubunji, JP: #4 of 105 inventorsTop 4%
Overall (1994): #9,008 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5327371 Information recording and reproducing apparatus Yooji Maruyama, Yoshito Tsunoda, Kazuhisa Fujimoto 1994-07-05
5323375 Information storage apparatus Sigeo Ihara, Tsuyoshi Uda 1994-06-21
5309388 Solid state magnetic memory device Yooji Maruyama, Kazuhisa Fujimoto 1994-05-03