Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7376161 | Modulation light source, image display apparatus including the same, and method of driving modulation light source | Kazunari Fujii | 2008-05-20 |
| 7355774 | Optical deflector and optical apparatus using the same | Takahisa Kato, Yasuhiro Shimada | 2008-04-08 |
| 7330490 | Optical wavelength converter and image forming apparatus using the same | Takashi Yuasa | 2008-02-12 |
| 7313156 | Control method of distributed Bragg reflection semiconductor laser, and image projecting apparatus | Kazunari Fujii, Hajime Sakata | 2007-12-25 |
| 7310176 | Light deflector using torsional rotation about two axes | Takahisa Kato | 2007-12-18 |
| 7057783 | Light deflector, method of manufacturing light deflector and torsion oscillating member | Takahisa Kato, Takayuki Yagi, Yasuhiro Shimada | 2006-06-06 |
| 7039077 | Optical wavelength converting apparatus, and optical wavelength converting method | Hajime Sakata | 2006-05-02 |
| 6987785 | Harmonic generator, method for driving harmonic generator, image-displaying apparatus, image-forming apparatus, optical storage apparatus that employs harmonic generator | Hajime Sakata | 2006-01-17 |
| 6972737 | Image display apparatus | Hajime Sakata | 2005-12-06 |
| 6945652 | Projection display device | Hajime Sakata | 2005-09-20 |
| 6924914 | Light deflector, method of manufacturing light deflector, optical device using light deflector, and torsion oscillating member | Takahisa Kato, Takayuki Yagi, Yasuhiro Shimada | 2005-08-02 |
| 6919985 | Optical wavelength converting apparatus and optical wavelength converting method | Hajime Sakata | 2005-07-19 |
| 6804279 | Surface emitting laser apparatus, its fabrication method, and its driving method | — | 2004-10-12 |
| 6771677 | Optical device structure and fabrication method thereof | Toshihiko Ouchi | 2004-08-03 |
| 6667496 | Optical semiconductor apparatus, and its fabrication method | — | 2003-12-23 |
| 6507594 | Optical device structure and fabrication method thereof | Toshihiko Ouchi | 2003-01-14 |
| 6282226 | Ring cavity laser | — | 2001-08-28 |
| 6222868 | Surface-type optical device, fabrication method therefor and display device | Toshihiko Ouchi | 2001-04-24 |
| 6088378 | Ring cavity type surface emitting semiconductor laser and fabrication method thereof | — | 2000-07-11 |
| 5878066 | Optical semiconductor apparatus driving method therefor light source apparatus and optical communication system using the same | Natsuhiko Mizutani, Hajime Sakata | 1999-03-02 |
| 5579350 | Clock change circuit preventing spike generation by delaying selection control signal | Akihiko Takada, Kazuo Wani | 1996-11-26 |
| 5526176 | Semiconductor optical amplifier which functions independently of polarization and an optical communication system using the same | — | 1996-06-11 |
| 5487070 | Apparatus for reproducing received data | — | 1996-01-23 |
| 5331213 | Pulse transmission circuit with undershoot eliminating circuitry | Hisakazu Ohmori, Masakazu Oi, Akihiko Takada | 1994-07-19 |
| 5099497 | Polarity detector for subscriber lines | Kohichi Ohno | 1992-03-24 |