Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546635 | Apparatus for forming gears | Masashi Arita | 1985-10-15 |
| 4435973 | Method of producing ring-shaped metal parts | Shintaro Sato | 1984-03-13 |
SN
Shigeo Nakazawa
Overall (All Time): #2,355,101 of 4,157,543Top 60%
2
Patents All Time