Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490397 | Optical fiber | Takatoshi Kato, Masashi Onishi | 2002-12-03 |
| 6465099 | Vinyl chloride fiber and process of producing the same | Kazumasa Yamane, Hiroshi Yokoyama, Ikuo Okino | 2002-10-15 |