Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8183073 | Method of manufacturing a semiconductor device with quantum dots formed by self-assembled growth | Yasuhiko Arakawa, Denis Guimard, Shiro Tsukamoto, Mitsuru Sugawara | 2012-05-22 |
| 7892871 | Method of manufacturing semiconductor device with quantum dots formed by self-assembled growth | Yasuhiko Arakawa, Denis Guimard, Shiro Tsukamoto, Mitsuru Sugawara | 2011-02-22 |
| 7829880 | Quantum dot semiconductor device | Kenichi Kawaguchi, Ken Morito, Yasuhiko Arakawa | 2010-11-09 |
| 7456422 | Semiconductor device | Ayahito Uetake, Kenichi Kawaguchi | 2008-11-25 |
| 7015498 | Quantum optical semiconductor device | Yoshiaki Nakata, Mitsuru Sugawara, Takashi Kita, Osamu Wada, Yasuhiko Arakawa | 2006-03-21 |
| 6992320 | Semiconductor optical device with quantum dots having internal tensile or compressive strain | Yoshiaki Nakata, Tomoyuki Akiyama | 2006-01-31 |
| 6445000 | Photodetecting device | Prafulla Masalkar | 2002-09-03 |
| 5728425 | Method for chemical vapor deposition of semiconductor films by separate feeding of source gases and growing of films | Akira Sawada, Hiroshi Takigawa | 1998-03-17 |
| 5394826 | Method of (111) group II-VI epitaxial layer grown on (111) silicon substrate | Akira Sawada | 1995-03-07 |
| 5302232 | (111) Group II-VI epitaxial layer grown on (111) silicon substrate | Akira Sawada | 1994-04-12 |