Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7437893 | Method for producing optical glass | Kumi Onodera, Manabu Saitou | 2008-10-21 |
| 7165425 | Multi-tube burner and glass preform manufacturing method using the same | Keisuke Uchiyama, Koichi Harada | 2007-01-23 |
| 7073354 | Method for manufacturing optical fiber preform and burner apparatus for this method for manufacturing optical fiber preform | Manabu Saitou | 2006-07-11 |
| 7069748 | Optical fiber, optical fiber preform, and manufacturing method therefor | Keisuke Uchiyama, Koichi Harada | 2006-07-04 |
| 6091873 | Dispersion shifted optical fiber | Shoichiro Matsuo | 2000-07-18 |