Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871784 | Minute-cellular polyester film | Satoshi Otonari, Yoshinori Sato, Narihiro Masuda | 1989-10-03 |
| 4857396 | Minute-cellular polyester film provided with coating | Satoshi Otonari, Yoshinori Sato, Narihiro Masuda | 1989-08-15 |