Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888401 | Molding material for optics | Yasuhiko Kijima, Yuh Miyauchi, Eizi Ukita, Toru Nakajima, Mituhiko Masumoto | 1989-12-19 |
| 4861854 | Photosensitive polyimide precursor | Akitoshi Sugio, Makoto Kobayashi, Katsushige Hayashi, Masahito Watanabe | 1989-08-29 |