Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221391 | Process for producing a preform for forming fiber reinforced plastics | Hirokazu Kittaka, Akihiko Nishizaki | 1993-06-22 |
| 4849150 | Method of manufacturing fiber-reinforced resin pipe | Hirokazu Kittaka, Akihiko Nishizaki | 1989-07-18 |
| 4746386 | Method of producing continuous fiber reinforced bent resin pipe | Shigeru Sato, Fumiko Sato | 1988-05-24 |