Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635693 | Pneumatic tire base-cap tread | Asahiro Ahagon, Toshio Kobayashi, Kazuhiro Yamada, Makoto Misawa | 1987-01-13 |
SD
Seiichi Doi
Overall (All Time): #3,966,263 of 4,157,543Top 100%
1
Patents All Time