Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105688 | Attaching a thermistor on a case | Tatsuyuki Suzuki | 2021-08-31 |
| 9099586 | Nitride semiconductor light-emitting element and method for producing nitride semiconductor light-emitting element | Masaya Ueda, Yoshihiro Ueta, Yuichi Sano | 2015-08-04 |
| 7864412 | Semiconductor optical amplifier device amplifying external light signal and driving apparatus therefor | Kyoko Matsuda | 2011-01-04 |
| 7515624 | Semiconductor laser, semiconductor laser driver and method of driving semiconductor laser reducing feedback-induced noise by modulated optical output | Kyoko Matsuda | 2009-04-07 |
| 7356218 | Variable demultiplexer | Yoshimichi Kato | 2008-04-08 |
| 7274010 | Semiconductor optical amplifier device amplifying an externally applied light signal, semiconductor optical amplification driving device and semiconductor light receiving apparatus | Kyoko Matsuda | 2007-09-25 |
| 7251390 | Planar waveguide device | Yasuo Fukai | 2007-07-31 |
| 7199398 | Nitride semiconductor light emitting device having electrode electrically separated into at least two regions | Tomoki Ono, Shigetoshi Ito, Hirokazu Mouri, Kyoko Matsuda, Toshiyuki Kawakami +2 more | 2007-04-03 |
| 7183569 | Gallium nitride semiconductor light emitting device having multi-quantum-well structure active layer, and semiconductor laser light source device | — | 2007-02-27 |
| 7088902 | Photonic crystal and producing method thereof | Yoshimichi Katoh | 2006-08-08 |
| 7026698 | Functional device, method of manufacturing therefor and driver circuit | — | 2006-04-11 |
| 7015565 | Gallium nitride type semiconductor laser device | — | 2006-03-21 |
| 6956882 | Gallium nitride semiconductor light emitting device having multi-quantum-well structure active layer, and semiconductor laser light source device | — | 2005-10-18 |
| 6842470 | Nitride-type compound semiconductor laser device and laser apparatus incorporating the same | Susumu Omi, Kazuhiko Inoguchi | 2005-01-11 |
| 6787384 | Functional device, method of manufacturing therefor and driver circuit | — | 2004-09-07 |
| 6781208 | Functional device, method of manufacturing therefor and driver circuit | — | 2004-08-24 |
| 6764870 | Method for manufacturing a gallium nitride type semiconductor laser device | — | 2004-07-20 |
| 6714719 | Video recording system using magnetic disk drive | — | 2004-03-30 |
| 6614824 | Nitride semiconductor laser device and optical device using the same | Yuhzoh Tsuda, Shigetoshi Ito | 2003-09-02 |
| 6585800 | Method for making molten metal | Hiroshi Sugitatsu, Hiroshi Uemura | 2003-07-01 |
| 6556603 | Nitride-contained semiconductor laser element and optical information reproducing device | Yukio Yamasaki | 2003-04-29 |
| 6549552 | Nitride-type compound semiconductor laser device and laser apparatus incorporating the same | Susumu Omi, Kazuhiko Inoguchi | 2003-04-15 |
| 6456640 | Gallium nitride type semiconductor laser device | — | 2002-09-24 |
| 6377597 | Gallium nitride semiconductor light emitting element with active layer having multiplex quantum well structure and semiconductor laser light source device | — | 2002-04-23 |
| 6370176 | Gallium nitride group semiconductor laser device and optical pickup apparatus | — | 2002-04-09 |