Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923935 | Process for producing polyethylene of ultrahigh molecular weight | Akira Sano, Shigeki Yokoyama, Tetsujiro Kuroishi, Kazuo Matsuura | 1990-05-08 |
| 4760120 | Easily soluble polyethylene powder for the preparation of fibers or films having high strength and high elastic modulus | Akira Sano, Tetsujirou Kuroishi, Shigeki Yokoyama, Kazuo Matsuura | 1988-07-26 |
| 4525548 | Method for vapor phase polymerization of olefins | Kunimichi Kubo, Mamoru Yoshikawa, Motokazu Watanabe, Mituji Miyoshi | 1985-06-25 |
| 4438073 | Vapor phase polymerization apparatus for olefins | Kunimichi Kubo, Mamoru Yoshikawa, Mituji Miyoshi | 1984-03-20 |
| 4372919 | Vapor phase polymerization apparatus for olefins | Kunimichi Kubo, Mamoru Yoshikawa, Motokazu Watanabe, Mituji Miyoshi | 1983-02-08 |