Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847660 | Short-wavelength laser module and method of producing the same | Akihiro Morikawa, Kazuhisa Yamamoto, Shinichi Takigawa | 2005-01-25 |
| 6845113 | Coherent light source and recording/reproducing apparatus using the same | Ken'ichi Kasazumi, Kazuhisa Yamamoto | 2005-01-18 |
| 6829080 | Optical waveguide device and light source and optical apparatus using the same | Akihiro Morikawa, Ken'ichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2004-12-07 |
| 6819646 | Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus | Ken'ichi Kasazumi, Katsuhiko Kumagawa, Kazuhisa Yamamoto, Hidenori Wada | 2004-11-16 |
| 6802655 | Laser source | Tosifumi Yokoyama, Kazuhisa Yamamoto | 2004-10-12 |
| 6785457 | Optical waveguide device and coherent light source and optical apparatus using the same | Kiminori Mizuuchi, Kazuhisa Yamamoto, Ken'ichi Kasazumi | 2004-08-31 |
| 6738398 | SHG laser light source and method of modulation for use therewith | Takaaki Hirata, Shinji Iio, Takeshi Inoue, Kazuhisa Yamamoto | 2004-05-18 |
| 6711183 | Optical wavelength conversion device, coherent light generator, and optical information processing apparatus | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2004-03-23 |
| 6704337 | Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2004-03-09 |
| 6693936 | Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2004-02-17 |
| 6621962 | Optical waveguide device integrated module and method of manufacturing the same | Toshifumi Yokoyama, Kazuhisa Yamamoto | 2003-09-16 |
| 6614966 | Optical waveguide device integrated module and method of manufacturing the same | Toshifumi Yokoyama, Kazuhisa Yamamoto | 2003-09-02 |
| 6590915 | Optical apparatus and method for producing the same | Kazuhisa Yamamoto, Makoto Kato, Tomoaki Uno, Kiminori Mizuuchi, Kenichi Nishiuchi | 2003-07-08 |
| 6519077 | OPTICAL WAVEGUIDE, OPTICAL WAVELENGTH CONVERSION DEVICE, METHOD FOR PRODUCING THE SAME, SHORT WAVELENGTH LIGHT GENERATION APPARATUS USING THE SAME, OPTICAL INFORMATION PROCESSING APPARATUS USING THE SAME, COHERENT LIGHT GENERATION APPARATUS USING THE SAME, AND OPTICAL SYSTEM USING THE SAME | Kiminori Mizuuchi, Kazuhisa Yamamoto, Toshifumi Yokoyama | 2003-02-11 |
| 6501868 | Optical waveguide device, coherent light source, integrated unit, and optical pickup | Kenichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2002-12-31 |
| 6496299 | Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2002-12-17 |
| 6441970 | Optical waveguide device, and light source device and optical apparatus including the optical waveguide device | Ken'ichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2002-08-27 |
| 6392979 | Optical pickup and optical disk apparatus using the same | Kazuhisa Yamamoto, Ayumu Tsujimura, Masahiro Kume | 2002-05-21 |
| 6333943 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2001-12-25 |
| 6327289 | Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2001-12-04 |
| 6323990 | Method for stabilizing output of higher harmonic waves and short wavelength laser beam source using the same | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2001-11-27 |
| 6317546 | Optical waveguide device, and light source device and optical apparatus including the optical waveguide device | Ken'ichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2001-11-13 |
| 6298075 | Optical apparatus and method for producing the same | Kazuhisa Yamamoto, Makoto Kato, Kiminori Mizuuchi, Kenichi Nishiuchi | 2001-10-02 |
| 6261858 | Wavelength-variable semiconductor laser, optical integrated device utilizing the same, and production method thereof | Kiminori Mizuuchi, Kazuhisa Yamamoto | 2001-07-17 |
| 6130901 | SHG laser stabilizing control device and optical disk recording/reproduction device | Kouichi Takamine, Hiroyuki Yamaguchi | 2000-10-10 |