Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981978 | Superluminescent diode and method for manufacturing the same | Tatsuo Yamauchi, Yukio Shakuda | 1999-11-09 |
| 5933443 | Semiconductor laser | Yuta Tezen, Minoru Murayama | 1999-08-03 |
| 5661581 | Optical communication unit | Naotaro Nakata, Yuta Tezen, Kenji Okada | 1997-08-26 |
| 5574304 | Superluminescent diode with offset current injection regions | Tatsuo Yamauchi, Yukio Shakuda | 1996-11-12 |
| 5392304 | Semiconductor laser and manufacturing method therefor | Haruo Tanaka, Kaoru Kusunoki | 1995-02-21 |
| 5235609 | Semiconductor laser device | Satoshi Uchida, Kaoru Kusunoki | 1993-08-10 |
| 5153148 | Method of fabricating semiconductor lasers | Hajime Sakiyama, Haruo Tanaka | 1992-10-06 |
| 4999841 | Semiconductor lasers | Hajime Sakiyama, Haruo Tanaka | 1991-03-12 |
| 4944246 | Molecular beam epitaxy apparatus | Haruo Tanaka, Yuhji Ishida | 1990-07-31 |