Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942192 | Rubber compositions for tires | Takuo Yasuda, Hitoshi Kondo, Yoshiaki Echigo, Yoshiaki Maekawa | 1990-07-17 |
TO
Tsuneyuki Ohsawa
Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #3,907,434 of 4,157,543Top 95%
1
Patents All Time