Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023448 | Optical pickup device and optical recording medium driving apparatus comprising the same | Atsushi Tajiri, Takenori Goto, Yasuaki Inoue, Minoru Sawada, Akira Ibaraki | 2000-02-08 |
| 5727009 | Semiconductor laser apparatus and optical pickup apparatus using the same | Atsushi Tajiri, Keiichi Yodoshi, Takao Yamaguchi, Akira Ibaraki, Tatsuhiko Niina | 1998-03-10 |
| 5717674 | Three-beam generating diffraction grating, transmission type holographic optical element and optical pickup apparatus using the same | Atsushi Tajiri, Yasuaki Inoue | 1998-02-10 |
| 5343484 | SHG (second-harmonic generation) device | Mitsuaki Matsumoto, Tadao Toda, Hideyuki Nonaka, Takao Yamaguchi | 1994-08-30 |