Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889408 | Plastic optical fiber less attenuating light and process for producing the same | — | 1989-12-26 |
| 4842369 | Cladding material for plastic optical fiber and plastic optical fiber using the same | Shigeki Katsuta, Kazuhiko Maeda, Taku Yamauchi, Toshio Koishi | 1989-06-27 |