Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4727108 | Polyester compositions and process of preparing polyester films from them | Kazuo Endo, Chikakazu Kawaguchi, Yosio Meguro, Kazuhiro Kunugihara | 1988-02-23 |
| 4708902 | Polyester films suitable for use in magnetic recording media | Shigeo Utsumi, Tateo Kanesaki, Satoshi Otonari, Koichiro Ikushima, Norio Okumura | 1987-11-24 |