Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889762 | Molded articles of thermoplastic elastomer | Akira Uchiyama | 1989-12-26 |
| 4877817 | Chlorinated rubber | Tetsuo Tojo, Takashi Nakahara, Yasuhiko Otawa | 1989-10-31 |
| 4818785 | Fine particulate crosslinked amorphous copolymer and preparation and use thereof | Yasuhiko Otawa, Tetsuo Tojo, Akira Matsuda | 1989-04-04 |
| 4814390 | Chlorinated rubber | Tetsuo Tojo, Takashi Nakahara, Yasuhiko Otawa | 1989-03-21 |