Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847649 | Brake device for shutter | Tsuyoshi Fukuda | 1989-07-11 |
| 4829329 | Brake device for a shutter | Tsuyoshi Fukuda | 1989-05-09 |
YT
Yasuhiro Toyoda
Overall (1989): #12,617 of 140,708Top 9%
2
Patents 1989