Issued Patents All Time
Showing 26–50 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7419545 | Method for producing silicon carbide (SiC) single crystal and silicon carbide (SiC) single crystal obtained by such method | Yusuke Mori, Takatomo Sasaki, Fumio Kawamura, Minoru Kawahara | 2008-09-02 |
| 7416306 | Laser projector | Kazuhisa Yamamoto, Kiminori Mizuuchi, Ken'ichi Kasazumi | 2008-08-26 |
| 7407421 | Light source, optical pickup, and electronic apparatus | Isao Kidoguchi, Hiroyoshi Yajima, Keiji Ito, Akihiko Ishibashi, Yoshiaki Hasegawa +1 more | 2008-08-05 |
| 7382811 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2008-06-03 |
| 7381268 | Apparatus for production of crystal of group III element nitride and process for producing crystal of group III element nitride | Hisashi Minemoto, Isao Kidoguchi, Yusuke Mori, Fumio Kawamura, Takatomo Sasaki +2 more | 2008-06-03 |
| 7361220 | Method of manufacturing group III nitride single crystal, device used for the method and group III nitride single crystal obtained by the method | Takatomo Sasaki, Yusuke Mori, Fumio Kawamura, Masashi Yoshimura, Yasunori Kai +3 more | 2008-04-22 |
| 7339960 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2008-03-04 |
| 7309534 | Group III nitride crystals usable as group III nitride substrate, method of manufacturing the same, and semiconductor device including the same | Hisashi Minemoto, Isao Kidoguchi, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura +1 more | 2007-12-18 |
| 7295583 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2007-11-13 |
| 7288152 | Method of manufacturing GaN crystals and GaN crystal substrate, GaN crystals and GaN crystal substrate obtained by the method, and semiconductor device including the same | Hisashi Minemoto, Isao Kidoguchi, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura +1 more | 2007-10-30 |
| 7255742 | Method of manufacturing Group III nitride crystals, method of manufacturing semiconductor substrate, Group III nitride crystals, semiconductor substrate, and electronic device | Hisashi Minemoto, Isao Kidoguchi, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura | 2007-08-14 |
| 7227172 | Group-III-element nitride crystal semiconductor device | Hisashi Minemoto, Isao Kidoguchi, Kazuyoshi Tsukamoto | 2007-06-05 |
| 7221037 | Method of manufacturing group III nitride substrate and semiconductor device | Hisashi Minemoto, Isao Kidoguchi, Akihiko Ishibashi | 2007-05-22 |
| 7215476 | 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 | 2007-05-08 |
| 7176115 | Method of manufacturing Group III nitride substrate and semiconductor device | Hisashi Minemoto, Isao Kidoguchi, Akihiko Ishibashi, Takatomo Sasaki, Yusuke Mori +1 more | 2007-02-13 |
| 7154837 | Optical pickup and optical information recording/reproducing device | Ken'ichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto | 2006-12-26 |
| 7133428 | Optical apparatus and method for producing the same | Kazuhisa Yamamoto, Makoto Kato, Kiminori Mizuuchi, Kenichi Nishiuchi | 2006-11-07 |
| 7125801 | Method of manufacturing Group III nitride crystal substrate, etchant used in the method, Group III nitride crystal substrate, and semiconductor device including the same | Hisashi Minemoto, Isao Kidoguchi, Yusuke Mori, Takatomo Sasaki, Fumio Kawamura | 2006-10-24 |
| 7101723 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2006-09-05 |
| 7103076 | Ultrashort pulsed laser and optical head using the same | Kazuhisa Yamamoto | 2006-09-05 |
| 7082146 | Device and method for inspecting wavelength-variable semiconductor laser, and method for inspecting coherent source | Toshifumi Yokoyama, Kazuhisa Yamamoto | 2006-07-25 |
| 7035192 | 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 | 2006-04-25 |
| 7010006 | Light source apparatus and its control method | Ken'ichi Kasazumi, Tosifumi Yokoyama, Kiminori Mizuuchi, Kazuhisa Yamamoto, Hisashi Senga +2 more | 2006-03-07 |
| 6958967 | Holographic optical information recording/reproducing device | Ken'ichi Kasazumi, Kazuhisa Yamamoto | 2005-10-25 |
| 6914918 | Optical device, laser beam source, laser apparatus and method of producing optical device | Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato | 2005-07-05 |