Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11244929 | Light emitting device and lighting device | Takaya Ueno | 2022-02-08 |
| 10770629 | Light emitting device | Tsutomu Yokota, Takaya Ueno, Masanori Hoshino, Yoshinori Tanaka | 2020-09-08 |
| 9368696 | Light emitting device | Kazuyoshi Haga, Yoshinori Tanaka, Yuichi Sato | 2016-06-14 |
| 8089078 | Light emitting device | Koji Otsuka, Nobuhisa Sugimori, Hideyuki Watanabe | 2012-01-03 |
| 7923738 | LED array for microdisplays or like application | Koji Otsuka | 2011-04-12 |
| 7714360 | Surface-stabilized semiconductor device | Koji Otsuka, Osamu Machida | 2010-05-11 |
| 7566576 | Gallium-containing light-emitting semiconductor device and method of fabrication | Shiro Takeda | 2009-07-28 |
| 7560737 | Semiconductor light emitting element and fabrication method thereof | Shiro Takeda | 2009-07-14 |
| 7498609 | Light-emitting semiconductor device of improved efficiency | Hidekazu Aoyagi, Shiro Takeda, Yoshihiko Uchida | 2009-03-03 |
| 7323723 | Semiconductor light-emitting device using phosphors for performing wavelength conversion | Koji Ohtsuka | 2008-01-29 |
| 7087933 | Light-emitting semiconductor device and method of fabrication | Shiro Takeda | 2006-08-08 |
| 5814838 | Light emitting semiconductor element with ZN doping | Koji Ohtsuka, Emiko Chino, Tetsuji Moku | 1998-09-29 |