Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980405 | Rubber compositions | Takeshi Kinoshita, Koichi Morita | 1990-12-25 |
| 4950705 | Rubber compositions | Takeshi Kinoshita, Koichi Morita | 1990-08-21 |
YK
Yoshiyuki Kumamoto
Overall (All Time): #2,325,699 of 4,157,543Top 60%
2
Patents All Time