Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805565 | Structure of cam shaft for engine | Masato Sato, Keiichi Nakamizo | 1989-02-21 |
TM
Takashi Mitadera
Overall (1989): #52,953 of 140,708Top 40%
1
Patents 1989