Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845173 | Process for producing thermoplastic elastomers | Akio Imai, Tomoaki Seki | 1989-07-04 |
| 4808444 | Method and apparatus for coating webs | Takeshi Yamazaki, Yasuhiro Iizuka | 1989-02-28 |