Issued Patents 2003
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661954 | Optical transmission line including a connected part of optical fibers and connecting method | Eisuke Sasaoka, Takemi Hasegawa, Masashi Onishi | 2003-12-09 |
| 6618532 | Optical transmission line | Eisuke Sasaoka, Shigeru Tanaka, Masayuki Nishimura, Takatoshi Kato | 2003-09-09 |
| 6617957 | Multidirectional input device | — | 2003-09-09 |
| 6611637 | Dispersion-compensating module | Toshiaki Okuno | 2003-08-26 |
| 6595141 | Truck transport apparatus | Heihachi Kobayashi | 2003-07-22 |
| 6597849 | Optical fiber and optical component including the same | Toshikazu Shibata, Ken Hashimoto | 2003-07-22 |
| 6580854 | Optical waveguide grating and method of making the same | Tadashi Enomoto, Masakazu Shigehara, Michiko Harumoto | 2003-06-17 |
| 6577440 | Optical fiber for optical amplifier and fiber optic amplifier | Shinji Endo, Motoki Kakui | 2003-06-10 |
| 6563989 | Optical fiber coupler and optical fiber for optical fiber coupler | Akira Urano, Masayuki Kiya | 2003-05-13 |
| 6563984 | Long-period grating device | Michiko Harumoto, Masakazu Shigehara, Tadashi Enomoto | 2003-05-13 |
| 6538806 | Optical fiber for optical amplifier and fiber optic amplifier | Shinji Endo, Motoki Kakui | 2003-03-25 |
| 6535677 | Dispersion-managed optical fiber, method of manufacturing the same, optical communication system including the same and optical fiber preform therefor | Shigeru Tanaka, Masayuki Nishimura, Eisuke Sasaoka, Takatoshi Kato | 2003-03-18 |
| 6522810 | Optical loss filter | Michiko Takushima, Masakazu Shigehara | 2003-02-18 |
| 6504962 | Method for determining an aging condition for an optical waveguide grating and temperature sensor | Toru Iwashima, Michiko Harumoto, Akira Inoue, Masakazu Shigehara | 2003-01-07 |