Issued Patents All Time
Showing 1–25 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7466498 | Exposure device | Kenichi Saito, Kenji Matsumoto, Yoshinori Morimoto | 2008-12-16 |
| 7226175 | Image exposure device and laser exposure device applied thereto | Kenji Matsumoto, Yoshinori Morimoto, Kiichi Kato | 2007-06-05 |
| 7161611 | Exposure system | Hiroaki Hyuga | 2007-01-09 |
| 7113530 | Gallium nitride based semiconductor laser and image exposure device | Kenji Matsumoto | 2006-09-26 |
| 7104704 | Transmission apparatus using a plastic fiber | Kenji Matsumoto | 2006-09-12 |
| 7095430 | Image exposing apparatus and image exposing method | Kiichi Kato, Yoshinori Morimoto, Kenji Matsumoto | 2006-08-22 |
| 7062311 | Fluorescence observing apparatus | Tomonari Sendai, Katsumi Hayashi, Kazuo Hakamata, Yoji Okazaki, Kenji Matsumoto | 2006-06-13 |
| 6999486 | Semiconductor laser element and semiconductor laser | Toshiaki Kuniyasu, Toshiaki Fukunaga | 2006-02-14 |
| 6977780 | Image exposure device and laser exposure device applied thereto | Kenji Matsumoto, Yoshinori Morimoto, Kiichi Kato | 2005-12-20 |
| 6888165 | Light-emitting diode | — | 2005-05-03 |
| 6888875 | Light source apparatus equipped with a GaN type semiconductor laser, a method of eliminating stray light, and an image forming apparatus | — | 2005-05-03 |
| 6885687 | Semiconductor laser module having optical wavelength conversion element and semiconductor laser element which includes quantum-well sublayers having different thicknesses and/or compositions | — | 2005-04-26 |
| 6874951 | Transmission apparatus using a plastic fiber | — | 2005-04-05 |
| 6876688 | Semiconductor laser and method of manufacturing the same | Toshiaki Fukunaga, Mitsugu Wada | 2005-04-05 |
| 6798804 | Laser apparatus including surface-emitting semiconductor excited with semiconductor laser element, and directly modulated | — | 2004-09-28 |
| 6778573 | Fundamental-transverse-mode index-guided semiconductor laser device having upper optical waveguide layer thinner than lower optical waveguide layer | Toshiaki Fukunaga | 2004-08-17 |
| 6760057 | Optical recording method, apparatus, system and medium using high-power laser light | Nobufumi Mori, Yoji Okazaki, Hiroyuki Hiiro | 2004-07-06 |
| 6738403 | Semiconductor laser element and semiconductor laser | Toshiaki Kuniyasu, Toshiaki Fukunaga | 2004-05-18 |
| 6728285 | Stripe type semiconductor light emitting element having InGan active layer, combined with optical resonator including wavelength selection element | — | 2004-04-27 |
| 6700912 | High-output semiconductor laser element, high-output semiconductor laser apparatus and method of manufacturing the same | — | 2004-03-02 |
| 6683324 | Semiconductor laser device in which thicknesses of optical guide region and AlGaN cladding layers satisfy predetermined condition | — | 2004-01-27 |
| 6625190 | Semiconductor laser device having thickened impurity-doped aluminum-free optical waveguide layers | Toshiaki Fukunaga, Mitsugu Wada | 2003-09-23 |
| 6594297 | Laser apparatus in which surface-emitting semiconductor is excited with semiconduct laser element and high-order oscillation modes are suppressed | — | 2003-07-15 |
| 6567444 | High-power semiconductor laser device in which near-edge portions of active layer are removed | — | 2003-05-20 |
| 6560264 | Stripe type semiconductor light emitting element having InGaN active layer, combined with optical resonator including wavelength selection element | — | 2003-05-06 |