Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7800802 | Hologram recording medium and method for manufacturing same | Hideyoshi Horimai | 2010-09-21 |
| 7262436 | III-nitride semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Shigeru Nakagawa, Norihide Yamada | 2007-08-28 |
| 6900472 | Semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Shigeru Nakagawa, Norihide Yamada | 2005-05-31 |
| 6829273 | Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same | Hiroshi Amano, Isamu Akasaki, Norihide Yamada, Tetsuya Takeuchi, Satoshi Watanabe | 2004-12-07 |
| 6696223 | Method for performing photolithography | Tetsuya Hidaka | 2004-02-24 |
| 6690700 | Nitride semiconductor device | Tetsuya Takeuchi, Norihide Yamada, Hiroshi Amano, Isamu Akasaki | 2004-02-10 |
| 6258614 | Method for manufacturing a semiconductor light-emitting device | — | 2001-07-10 |
| 6238945 | Method of making P-type group III-nitride semiconductor device having improved P contact | — | 2001-05-29 |
| 6194743 | Nitride semiconductor light emitting device having a silver p-contact | You Kondoh, Satoshi Watanabe, Shigeru Nakagawa, Norihide Yamada | 2001-02-27 |
| 6150672 | P-type group III-nitride semiconductor device | — | 2000-11-21 |
| 6046465 | Buried reflectors for light emitters in epitaxial material and method for producing same | Shih-Yuan Wang, Yong Chen, Scott W. Corzine, R. Scott Kern, Carrie Carter Coman +2 more | 2000-04-04 |
| 5919715 | Method for cleaning a semiconductor surface | Tetsuya TEKEUCHI | 1999-07-06 |
| 5814239 | Gas-phase etching and regrowth method for Group III-nitride crystals | Norihide Yamada | 1998-09-29 |
| 5683596 | Method for etching compound solid state material | — | 1997-11-04 |