Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975232 | Process for producing fiber reinforced plastics linear materials | Masaaki Hattori, Hario Ioka, Yasuo Yamamoto | 1990-12-04 |
| 4645297 | Fiber reinforced resin coated optical fiber and process for producing the same | Mitsuo Yoshihara, Yoshitada Morikawa, Yasuo Yamamoto, Masaaki Hattori | 1987-02-24 |
| 4560713 | Reinforced plastic molding | Mitsuo Yoshihara, Yoshitada Morikawa, Yasuo Yamamoto, Masaaki Hattori | 1985-12-24 |