Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447933 | Visible light communication system | Kazuhiko Yamanaka, Takuma Katayama | 2016-09-20 |
| 8304812 | Terahertz wave radiating element | Tatsuya Tanigawa, Shinichi Takigawa, Tsuyoshi Tanaka | 2012-11-06 |
| 8217858 | Image display apparatus | Tsuyoshi Takegami | 2012-07-10 |
| 8043994 | Thermal transfer receiving sheet and its manufacturing method | Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu +3 more | 2011-10-25 |
| 7873090 | Surface emitting laser, photodetector and optical communication system using the same | Tetsuzo Ueda, Daisuke Ueda | 2011-01-18 |
| 7795177 | Thermal transfer receiving sheet and its manufacturing method | Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu +3 more | 2010-09-14 |
| 7745374 | Thermal transfer receiving sheet, production method thereof and image forming method using the sheet | Yoshimasa Tanaka, Masato Kawamura, Chikara Tsukada, Kyoko Uchida, Toru Nakai +2 more | 2010-06-29 |
| 7638462 | Thermal transfer receiving sheet | Masato Kawamura, Yoshimasa Tanaka, Kyoko Uchida, Chikara Tsukada, Toru Nakai +5 more | 2009-12-29 |
| 7538357 | Semiconductor light emitting device | Tatsuya Tanigawa, Tetsuzo Ueda | 2009-05-26 |
| 7495262 | Compound semiconductor, method for producing the same, semiconductor light-emitting device and method for fabricating the same | — | 2009-02-24 |
| 7459719 | Superlattice optical semiconductor device where each barrier layer has high content of group III elements in center portion and low content near well layer | Jun Shimizu, Tetsuzo Ueda | 2008-12-02 |
| 7436874 | Laser device | Kazutoshi Onozawa, Shinji Yoshida, Daisuke Ueda | 2008-10-14 |
| 7402843 | Group III-V compound semiconductor and group III-V compound semiconductor device using the same | — | 2008-07-22 |
| 7402447 | Semiconductor laser device and method for fabricating the same | — | 2008-07-22 |
| 7391798 | Semiconductor laser device | Kazutoshi Onozawa, Tetsuzo Ueda | 2008-06-24 |
| 7268007 | Compound semiconductor, method for manufacturing the same, semiconductor device, and method for manufacturing the same | Kenichi Inoue | 2007-09-11 |
| 7215691 | Semiconductor laser device and method for fabricating the same | — | 2007-05-08 |
| 7041524 | Semiconductor laser device and method for fabricating the same | — | 2006-05-09 |
| 7037743 | Semiconductor device and method for producing the same | Hideto Adachi, Masaya Mannou, Akira Takamori | 2006-05-02 |
| 7021981 | Method for manufacturing electron emission element, electron source, and image forming apparatus | Yoshikazu Banno, Michiyo Nishimura, Toshihiko Takeda, Keisuke Yamamoto, Tomoko Maruyama | 2006-04-04 |
| 6991955 | Compound semiconductor, method for producing the same, semiconductor light-emitting device and method for fabricating the same | — | 2006-01-31 |
| 6930024 | Semiconductor laser device and method for fabricating the same | — | 2005-08-16 |
| 6841409 | Group III-V compound semiconductor and group III-V compound semiconductor device using the same | — | 2005-01-11 |
| 6834068 | Semiconductor laser device and method for fabricating the same | — | 2004-12-21 |
| 6671301 | Semiconductor device and method for producing the same | Hideto Adachi, Masaya Mannou, Akira Takamori | 2003-12-30 |