Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105465 | Pressure vessel | Keigo Yoshida | 2021-08-31 |
| 9523466 | Pressure vessel | Yoshio Hoya | 2016-12-20 |
| 6197421 | Carbon fiber-reinforced resin composition | Iwao Yamamoto, Akihiko Yoshiya | 2001-03-06 |
| 6120894 | Short carbon fiber bundling mass, process for producing the same and fiber-reinforced resin composition | Iwao Yamamoto, Akihiko Yoshiya | 2000-09-19 |