Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886703 | Magnetic recording medium | Kazuo Hasumi, Tsutomu Okita, Katsumi Ryoke, Hideaki Kosha | 1989-12-12 |
| 4812802 | Joy stick | Kenichi Nishiumi | 1989-03-14 |
HW
Hideomi Watanabe
Kayaba Kogyo: 1 patents #1 of 17Top 6%
Overall (1989): #25,503 of 140,708Top 20%
2
Patents 1989