Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969369 | Multi-stage gear shift transmission | Kiyokazu Okubo, Shizuo Ishikura, Hiroshi Takagishi, Makoto Sumi | 1990-11-13 |
KS
Kazumasa Shibuya
Overall (All Time): #3,914,885 of 4,157,543Top 95%
1
Patents All Time