Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935139 | Method of manufacturing optical fiber | Katsuya Nagayama, Takayuki Shimazu | 2005-08-30 |
| 6928840 | Optical fiber producing method | Katsuya Nagayama, Yuichi Ohga, Ichiro Tsuchiya | 2005-08-16 |
| 6907757 | Drawing method of optical fiber and drawing furnace | Katsuya Nagayama, Ichiro Tsuchiya, Masashi Onishi | 2005-06-21 |
| 6853784 | Optical fiber | Makoto Shimizu, Yuji Kubo | 2005-02-08 |