Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818581 | Biaxially oriented polyester film | Hideo Katoh, Hisashi Hamano, Kinji Hasegawa | 1989-04-04 |
| 4761327 | Biaxially oriented aromatic polyester film | Hisashi Hamano, Kinji Hasegawa, Hideo Katoh | 1988-08-02 |