Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9935420 | Laser device, ignition system, and internal combustion engine | Kazuma IZUMIYA, Naoto Jikutani, Yasuhiro Higashi, Kentaroh Hagita, Masayuki Numata +1 more | 2018-04-03 |
| 7751457 | Laser-diode pumped solid-state laser apparatus, optical scanning apparatus, image forming apparatus and display apparatus | Takunori Taira, Yoichi Sato, Yasunori Furukawa, Sadao Matsumura, Makoto Matsukura +3 more | 2010-07-06 |
| 7511887 | Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive | Toshiyuki Kawasaki, Shigeru Oohchida, Koji Mori | 2009-03-31 |
| 7221509 | Method and apparatus for optical pickup capable of performing an effective polarization split | — | 2007-05-22 |
| 7164532 | Diffraction grating, light source unit applying the same therein, and optical head device employing the same | Hiroyoshi Funato, Junichi Kitabayashi, Shigeru Oohchida | 2007-01-16 |
| 7110180 | Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive | Toshiyuki Kawasaki, Shigeru Oohchida, Koji Mori | 2006-09-19 |
| 6111900 | Solid-state laser apparatus and method with second harmonic wave features | — | 2000-08-29 |
| 6026101 | Solid-state laser apparatus | Takunori Taira | 2000-02-15 |