Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4590020 | Method of producing oriented polyethylene film | Yasushi Itaba, Keichiro Saito, Jyoichi Tabuchi | 1986-05-20 |
| 4515922 | Rubber compositions | Mitsuhiko Sakakibara, Masaki Ogawa, Yasushi Hirata, Shigeru Tomihira | 1985-05-07 |