Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329948 | Multiple port cylinder for crankchamber precompression type two stroke engines | Tetsuzo Fujikawa, Masaru Yamamoto, Ichiro Tanaka | 1982-05-18 |
YS
Yasuhiro Seto
Overall (1982): #22,416 of 81,411Top 30%
1
Patents 1982