Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819502 | Flywheel device | Toshio Nakajima, Hiroshi Kumatani, Kazuo Tezuka | 1989-04-11 |
MM
Masayuki Miyazaki
Overall (1989): #79,953 of 140,708Top 60%
1
Patents 1989