Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639512 | Plastic optical fiber preform, and process and apparatus for producing the same | Tsuyoshi Nonaka, Yuji Kobayashi, Yasuo Matsuda | 1997-06-17 |
| 5614253 | Plastic optical fiber preform, and process and apparatus for producing the same | Tsuyoshi Nonaka, Yuji Kobayashi, Yasuo Matsuda | 1997-03-25 |