Issued Patents All Time
Showing 26–50 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892003 | Variable dispersion compensator and optical transmission system | Makoto Katayama, Toshiaki Okuno, Masayuki Nishimura, Tomomi Sano, Masakazu Shigehara +2 more | 2005-05-10 |
| 6823114 | Optical signal processing apparatus | Michiko Takushima, Tomomi Sano, Tatsuhiko Tanaka | 2004-11-23 |
| 6823106 | Optical multiplexer/demultiplexer and adjustment method thereof | Michiko Takushima, Tomomi Sano, Masakazu Shigehara | 2004-11-23 |
| 6810170 | Optical signal processor | Michiko Takushima, Tomomi Sano | 2004-10-26 |
| 6801683 | Optical module, light divider/insertor and light transmission device | Tomohiko Kanie, Makoto Katayama, Masayuki Nishimura | 2004-10-05 |
| 6782185 | Optical variable attenuator and optical module | Makoto Katayama, Tomohiko Kanie, Masayuki Nishimura | 2004-08-24 |
| 6768591 | Interleaver | Tomomi Sano, Tamoya Kenmochi, Tetsuya Iimura | 2004-07-27 |
| 6724539 | Interleaver | Tamoya Kenmochi, Tomomi Sano, Tetsuya Iimura | 2004-04-20 |
| 6704748 | Database search system and method | — | 2004-03-09 |
| 6665472 | Optical filter having cascaded long-period gratings | Michiko Takushima, Masakazu Shigehara | 2003-12-16 |
| 6639700 | Hologram recording medium, hologram recording/reconstructing apparatus, and hologram recording/reconstructing method | — | 2003-10-28 |
| 6529254 | Optical element and method for manufacturing the same, and optical apparatus and method for manufacturing the same | — | 2003-03-04 |
| 6377367 | Method of recording and reproducing hologram and apparatus for recording and reproducing hologram | — | 2002-04-23 |
| 6347173 | Optical coherence reduction method and its device, illuminating method and its system and optical fiber bundle | Yutaka Imai | 2002-02-12 |
| 6249381 | Illuminating method and illuminating device | — | 2001-06-19 |
| 6115175 | UV image forming optical system | Koichi Maruyama, Makoto Iwaki, Syunitirou Wakamiya, Shigeo Kubota, Minoru Takeda | 2000-09-05 |
| 5880893 | Objective lens and recording/reproducing apparatus | — | 1999-03-09 |
| 5878262 | Program development support system | Tsutomu Shoumura, Tsutomu Funada, Seiji Ozawa, Takeshi Nii, Takashi Kido +2 more | 1999-03-02 |
| 5801870 | Light exposure and illuminating apparatus | Michio Oka | 1998-09-01 |
| 5726436 | Apparatus and method for compensating coma aberration | Michio Oka, Naoya Eguchi | 1998-03-10 |
| 5695540 | Method of spacing fibers of optical fiber tapes and coupling the fibers | Tomoyuki Hattori, Hiroaki Takimoto, Eisuke Sasaoka, Hiroshi Yokota, Kenichi Matsushita | 1997-12-09 |
| 5673134 | Light exposure and illuminating apparatus | Michio Oka | 1997-09-30 |
| 5662410 | Light exposure and illuminating device | — | 1997-09-02 |
| 5627930 | Arrayed optical fiber coupler and method of manufacturing the same | Yoichi Ishiguro, Shigeru Semura, Yuji Kobayashi, Toshiyuki Wakinosono, Tomoyuki Hattori +2 more | 1997-05-06 |
| 5548672 | Reinforced multicore optical fiber coupler | Tomoyuki Hattori, Eisuke Sasaoka, Hiroaki Takimoto | 1996-08-20 |