Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873288 | Method for preparation of thermoplastic resin composition | Isao Baba, Takashi Mikami, Kiyotada Narukawa, Tsuyoshi Kanai | 1989-10-10 |
| 4871796 | Method of production of thermoplastic elastomer compounds | Isao Baba, Noboru Yamamoto | 1989-10-03 |
| 4801651 | Method of manufacture of thermoplastic elastomer compounds | Isao Baba, Kiyotada Narukawa, Noboru Yamamoto, Tsuyoshi Kanai | 1989-01-31 |