Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348199 | Buffer device for a roller chain and sprocket coupling | Koichiro Oonuma, Toshinori Hanai | 1982-09-07 |
| 4315750 | Sprocket chain | Yuji Hashimoto | 1982-02-16 |
YK
Yoshinori Kawashima
Overall (1982): #5,969 of 81,411Top 8%
2
Patents 1982