Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640589 | Glass base material drawing apparatus and method for drawing glass base material | Mitsukuni Sakashita, Shoji Hoshino, Waichi Yamamura, Hideo Hirasawa | 2003-11-04 |
| 6546759 | Glass base material manufacturing apparatus with super imposed back-and-forth burner movement | Yuuji Tobisaka, Hiroshi Machida, Masataka Watanabe, Hiroshi Tsumura, Hideo Hirasawa | 2003-04-15 |
| 6549711 | Soliton pulse compression optical fiber and method for making soliton pulse compression optical fiber | Kazuo Koya, Noboru Edagawa, Masatoshi Suzuki, Itsuro Morita | 2003-04-15 |
| 6532776 | Method and apparatus for fusing an optical fiber preform | Shinji Suzuki, Hideo Hirasawa | 2003-03-18 |