Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703988 | Coated optical fiber and fabrication process therefor | Kazumasa Oishi, Nobuhiro Akasaka, Tatsuya Kakuta | 1997-12-30 |
| 5644669 | Physical property evaluation method for optical fiber coating, and coated optical fiber | Kazumasa Oishi, Atsushi Suzuki, Nobuhiro Akasaka | 1997-07-01 |
| 5639512 | Plastic optical fiber preform, and process and apparatus for producing the same | Tsuyoshi Nonaka, Toshifumi Hosoya, Yuji Kobayashi | 1997-06-17 |
| 5614253 | Plastic optical fiber preform, and process and apparatus for producing the same | Tsuyoshi Nonaka, Toshifumi Hosoya, Yuji Kobayashi | 1997-03-25 |