Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130404 | Head-up display apparatus | Junji Hashimura, Osamu Tannai, Toshiyuki Kojima, Kazuhiro Sugawara | 2021-09-28 |
| 10864820 | Virtual image display optical system and image display device | Kentarou Nakamura, Eiji Nomura, Junji Hashimura, Shinichiro Saito | 2020-12-15 |
| 7262436 | III-nitride semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Yawara Kaneko, Shigeru Nakagawa | 2007-08-28 |
| 7151384 | Probe device and display substrate testing apparatus using same | Toshiaki Ueno | 2006-12-19 |
| 6940638 | Optical frequency conversion systems and methods | You Kondoh, Kenichi Abiko | 2005-09-06 |
| 6909508 | Measuring optical waveforms | — | 2005-06-21 |
| 6900472 | Semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Yawara Kaneko, Shigeru Nakagawa | 2005-05-31 |
| 6849472 | Nitride semiconductor device with reduced polarization fields | Michael R. Krames, Tetsuya Takeuchi, Hiroshi Amano, Isamu Akasaki | 2005-02-01 |
| 6836574 | Optical domain optical signal sampling device | Ryu Shioda | 2004-12-28 |
| 6829273 | Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same | Hiroshi Amano, Isamu Akasaki, Yawara Kaneko, Tetsuya Takeuchi, Satoshi Watanabe | 2004-12-07 |
| 6822487 | Method and apparatus for synthesizing and utilizing waveforms | Go Tejima | 2004-11-23 |
| 6815662 | Apparatus and method for measuring optical signals by optical sampling | Katsuya Yamashita, Satoshi Watanabe | 2004-11-09 |
| 6777665 | High frequency optical signal sampling device | Akira Mizuhara, Yasuhisa Kaneko | 2004-08-17 |
| 6690700 | Nitride semiconductor device | Tetsuya Takeuchi, Yawara Kaneko, Hiroshi Amano, Isamu Akasaki | 2004-02-10 |
| 6614214 | Sampling element controlled by photoconductive switch-generated sampling pulses and sampling device incorporating same | Akira Mizuhara, Tsutomu Takenaka, Yasuhisa Kaneko | 2003-09-02 |
| 6569704 | Group III-V semiconductor light emitting devices with reduced piezoelectric fields and increased efficiency | Tetsuya Takeuchi, Hiroshi Amano, Isamu Akasaki | 2003-05-27 |
| 6486984 | Wavelength monitor using hybrid approach | Douglas M. Baney, Satoshi Watanabe, Shigeru Nakagawa, Yoshikatsu Ichimura | 2002-11-26 |
| 6256067 | Electronic camera for selectively photographing a subject illuminated by an artificial light source | — | 2001-07-03 |
| 6239490 | P-contact for a Group III-nitride semiconductor device and method of making same | Shigeru Nakagawa, Yoshifumi Yamaoka, Tetsuya Takeuchi, Yawara Kaneki | 2001-05-29 |
| 6229151 | Group III-V semiconductor light emitting devices with reduced piezoelectric fields and increased efficiency | Tetsuya Takeuchi, Hiroshi Amano, Isamu Akasaki | 2001-05-08 |
| 6194743 | Nitride semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Yawara Kaneko, Shigeru Nakagawa | 2001-02-27 |
| 6077720 | Method for fabricating semiconductor laser facets using combined cleave and polish technique | Yoshifumi Yamaoka, Satoshi Watanabe, Eric Marenger | 2000-06-20 |
| 5927872 | Handy printer system | — | 1999-07-27 |
| 5814239 | Gas-phase etching and regrowth method for Group III-nitride crystals | Yawara Kaneko | 1998-09-29 |
| 5616177 | Group II-VI semiconductor laser and method for the manufacture thereof | — | 1997-04-01 |