Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978948 | Optical fiber and optical fiber ribbon | Yasuo Nakajima, Hiroki Tanaka, Yoshihiro Arashitani, Mitsunori Okada | 2011-07-12 |
| 7876991 | Optical fiber | Yasuo Nakajima, Hiroki Tanaka | 2011-01-25 |