AI

Akira Ishibashi

SO Sony: 2 patents #50 of 577Top 9%
HI Hitachi: 1 patents #814 of 2,935Top 30%
TO Tokico: 1 patents #4 of 37Top 15%
Overall (1989): #11,941 of 140,708Top 9%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4888622 Superconductor electron device Kenji Funato, Yoshifumi Mori 1989-12-19
4835579 Semiconductor apparatus Yoshifumi Mori, Masao Itabashi 1989-05-30
4809091 Disk apparatus Shyoichi Miyazawa, Satoshi Kawamura, Shoichiro Tohyama, Kazutoshi Kato, Junichi Ideda 1989-02-28