Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819502 | Flywheel device | Toshio Nakajima, Hiroshi Kumatani, Masayuki Miyazaki | 1989-04-11 |
KT
Kazuo Tezuka
Overall (1989): #89,570 of 140,708Top 65%
1
Patents 1989