Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7968430 | Compound semiconductor device and method for manufacturing same | Tadaaki Hosokawa, Seiji Iida, Akira Tanaka | 2011-06-28 |
| 7852893 | Semiconductor laser device | Akira Tanaka, Makoto Okada | 2010-12-14 |
| 7602829 | Semiconductor light emitting device and method of manufacturing same | Masaaki Onomura | 2009-10-13 |
| 7358156 | Compound semiconductor device and method of manufacturing the same | Akira Tanaka, Masaaki Onomura, Seiji Iida | 2008-04-15 |
| 6865204 | Ridge waveguide type photo semiconductor device and method for fabricating same | Masaki Tohyama | 2005-03-08 |
| 6724068 | Optical semiconductor device and fabricating method thereof | — | 2004-04-20 |
| 6602432 | Electroabsorption modulator, and fabricating method of the same | — | 2003-08-05 |
| 5880487 | Semiconductor device and method for manufacturing the same | Chisato Furukawa | 1999-03-09 |
| 5852624 | Semiconductor laser element, method of manufacturing semiconductor laser element, and laser diode module | Chisato Furukawa | 1998-12-22 |
| 5683937 | Method of making a semiconductor device | Chisato Furukawa | 1997-11-04 |