Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5727009 | Semiconductor laser apparatus and optical pickup apparatus using the same | Atsushi Tajiri, Kazushi Mori, Keiichi Yodoshi, Takao Yamaguchi, Akira Ibaraki | 1998-03-10 |
| 5187547 | Light emitting diode device and method for producing same | Kiyoshi Ohta, Toshitake Nakata, Yasuhiko Matsushita, Takahiro Uetani, Yoshiharu Fujikawa | 1993-02-16 |
| 4607369 | Semiconductor laser having a burying layer of a II-VI compound | Keiichi Yodoshi | 1986-08-19 |