Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |