Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285840 | Method and apparatus for manufacturing piston of internal combustion engine | Masamichi Hayashi, Shiro Machida, Takanori Kamiya | 1994-02-15 |
YK
Yasuhiro Kawabata
Overall (1994): #50,055 of 165,921Top 35%
1
Patents 1994