Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222972 | Wideband plastic-clad optical fiber | Tetsuya Yamamoto, Hisaaki Kobayashi | 2001-04-24 |
| 5644670 | Broad bandwidth optical fibers, jacketed optical fibers and optical fiber cords | Seiji Fukuda, Hisaaki Kobayashi, Tetsuya Yamamoto | 1997-07-01 |
| 5333234 | Curable composition for use in optical fiber cladding and optical fiber equipped therewith | Yutaka Hashimoto, Jun Shirakami, Masayuki Kamei, Makoto Ichinose | 1994-07-26 |
| 4810055 | Heat resisting plastic optical fiber and method for its manufacture | Heiroku Suganuma, Hisaaki Kobayashi, Tadayo Matsunaga | 1989-03-07 |