Issued Patents 2002
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6490397 | Optical fiber | Takatoshi Kato, Yuji Kubo | 2002-12-03 |
| 6483633 | Raman amplifier | Toshiaki Okuno | 2002-11-19 |
| 6480312 | Dispersion compensating system used for bi-directional optical communication | Toshiaki Okuno, Masayuki Nishimura | 2002-11-12 |
| 6474108 | Fiber preform method with a hot drill-in step for a Ge-doped tube and an F-doped rod | Yoshio Yokoyama, Masaaki Hirano | 2002-11-05 |
| 6473550 | Optical fiber transmission-line | Eisuke Sasaoka | 2002-10-29 |
| 6427044 | Optical fiber | Eiji Yanada, Yuichi Ohga | 2002-07-30 |
| 6413453 | Motor-driven mold clamping device and mold clamping method | — | 2002-07-02 |
| 6402998 | Motor-driven mold clamping device | — | 2002-06-11 |
| 6398536 | Molded product ejection checking device | — | 2002-06-04 |
| 6377740 | Dispersion Managed optical fiber transmission-line | Eisuke Sasaoka | 2002-04-23 |
| 6374027 | Optical fiber transmission-line | Masaaki Hirano, Takatoshi Kato | 2002-04-16 |
| 6347537 | Method of drawing a twisted optical fiber | Koji Amemiya, Masahiro Takagi, Yoichi Ishiguro | 2002-02-19 |
| 6347174 | Non-linear optical fiber, optical fiber coil, and wavelength converter | Toshiaki Okuno, Shinji Ishikawa, Tomonori Kashiwada, Masayuki Nishimura | 2002-02-12 |