Issued Patents All Time
Showing 76–100 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7825580 | Fluorophor and method for production thereof and illuminator | Rong Xie, Mamoru Mitomo | 2010-11-02 |
| 7815817 | Phosphor and process for producing the same | — | 2010-10-19 |
| 7780872 | Fluorescent substance, method for manufacturing the same and image display device | — | 2010-08-24 |
| 7713443 | Phosphor production method | Rong Xie | 2010-05-11 |
| 7678294 | Illuminator with fluorescent substance | — | 2010-03-16 |
| 7611642 | Oxynitride phosphor and light emitting device | Kohsei Takahashi | 2009-11-03 |
| 7608862 | Light emitting device and a lighting apparatus | Ken Sakuma, Koji Omichi | 2009-10-27 |
| 7597821 | Oxynitride phosphor and a light emitting device | Ken Sakuma, Naoki Kimura | 2009-10-06 |
| 7598194 | Oxynitride powder and production method thereof | Takayuki Suehiro | 2009-10-06 |
| 7573190 | Light emitting element and lighting instrument | Ken Sakuma, Kyota Ueda, Hajime Yamamoto | 2009-08-11 |
| 7564065 | Light emitting device and a lighting apparatus | Ken Sakuma | 2009-07-21 |
| 7544310 | Fluorescent substance | — | 2009-06-09 |
| 7540977 | Phosphor, production method thereof and light emitting instrument | Rong Xie | 2009-06-02 |
| 7525245 | Electron beam excited fluorescence emitting device | Kiyoshi Tamura | 2009-04-28 |
| 7494606 | Oxynitride phosphor and semiconductor light-emitting device | Kohsei Takahashi | 2009-02-24 |
| 7470378 | Oxynitride fluorescent material and light-emitting device | — | 2008-12-30 |
| 7431864 | Phosphor, production method thereof and light emitting instrument | — | 2008-10-07 |
| 7402943 | Oxynitride phosphor and a light emitting device | Ken Sakuma | 2008-07-22 |
| 7253446 | Light emitting device and illumination apparatus | Ken Sakuma, Naoki Kimura, Koichiro Masuko | 2007-08-07 |
| 6737378 | Silicon nitride sintered products and processes for their production | Toshiyuki Nishimura, Yoshinobu Yamamoto, Mamoru Mitomo | 2004-05-18 |
| 6579819 | Silicon nitride sintered products and processes for their production | Toshiyuki Nishimura, Yoshinobu Yamamoto, Mamoru Mitomo | 2003-06-17 |
| 5545362 | Production method of sintered silicon nitride | Akira Okada, Yoshio Akimune | 1996-08-13 |
| 5541143 | Sintered composite of silicon carbide and silicon nitride | Yoshio Akimune, Yusuke Okamoto | 1996-07-30 |
| 5472919 | .beta.-silicon nitride sintered body | Mamoru Mitomo, Motohide Ando | 1995-12-05 |
| 5401450 | .beta.-silicon nitride sintered body and method of producing same | Mamoru Mitomo, Motohide Ando | 1995-03-28 |