Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879076 | Process for the production of polyethylene materials | Akira Sano, Seizo Kobayashi, Shigeki Yokoyama, Takeshi Kamiya | 1989-11-07 |
| 4849390 | Catalysts for polymerization of olefins | Akira Sano, Kunimichi Kubo | 1989-07-18 |
| 4835219 | Polyethylene composition | Yoshio Tajima, Kazutosi Nomiyama, Yoshiyuki Shimo, Nobuyuki Kuroda | 1989-05-30 |
| 4822855 | Thermoplastic elastomer compositions | Seizo Kobayashi, Katumi Usui, Takashi Mizoe, Noboru Yamaoka | 1989-04-18 |
| 4811933 | Fluid-filled bushing | Hiromi Inagaki, Tetsuya Koike, Toshihiko Suenaga, Masaru Yorita, Masaki Izawa | 1989-03-14 |