Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6942754 | Process for producing xylooligosaccharide from lignocellulose pulp | Yoshiya Izumi, Jun Sugiura, Naoya Azumi | 2005-09-13 |
| 6824646 | Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery | Yoshiya Izumi, Jun Sugiura, Naoya Azumi | 2004-11-30 |
| 5483095 | Optical semiconductor device | Koji Yamashita | 1996-01-09 |
| 5469413 | Magneto-optic recording system and associated controllable heat source | — | 1995-11-21 |
| 5164951 | Semiconductor laser device | Tetsuya Yagi | 1992-11-17 |
| 5079185 | Method of making a semiconductor laser | Tetsuya Yagi | 1992-01-07 |
| 5012478 | Monolithic multiple beam semiconductor laser | Ryo Hattori, Masaki Mori | 1991-04-30 |
| 4984243 | Semiconductor laser device | Tetsuya Yagi | 1991-01-08 |
| 4852112 | Semiconductor laser with facet protection film of selected reflectivity | Ryo Hattori | 1989-07-25 |
| 4769342 | Method for making a semiconductor laser by cleaving a cantilever heterostructure | Tetsuya Yagi | 1988-09-06 |
| 4758532 | Method for making a heterostructure semiconductor laser device by pressure cleaving of a cantilever structure | Tetsuya Yagi | 1988-07-19 |