Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342528 | Tapping machine | Takashi Nozu, Minoru Yamada | 1982-08-03 |
| 4318646 | Tapping machine | — | 1982-03-09 |
YW
Yasuhiko Watanabe
Overall (1982): #6,042 of 81,411Top 8%
2
Patents 1982