Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42074 | Manufacturing method of light emitting device | Tatsuya Kunisato, Takashi Kano, Yasuhiro Ueda, Yasuhiko Matsushita | 2011-01-25 |
| 7276742 | Compound semiconductor light emitting device and its manufacturing method | Keishi Kohno | 2007-10-02 |
| 6162656 | Manufacturing method of light emitting device | Tatsuya Kunisato, Takashi Kano, Yasuhiro Ueda, Yasuhiko Matsushita | 2000-12-19 |
| 5990496 | Light emitting device with cap layer | Tatsuya Kunisato, Takashi Kano, Yasuhiro Ueda, Yasuhiko Matsushita | 1999-11-23 |
| 4680768 | Semiconductor laser with a quantum well layer including a disordered region | — | 1987-07-14 |
| 4531625 | Circular object's diameter determining device | Kenichi Yonekura, Kazuto Asami, Yushi Hino | 1985-07-30 |