| 9361927 |
Optical pickup and optical recording and reproducing device |
Yuichi Takahashi, Hiroaki Matsumiya, Kazuo Momoo |
2016-06-07 |
| 9330705 |
Optical recording and playback apparatus |
Yohichi Saitoh, Hideki Hayashi |
2016-05-03 |
| 8659985 |
Optical pickup and optical read/write drive |
Kazuo Momoo, Yohichi Saitoh |
2014-02-25 |
| 8619522 |
Optical pickup and optical read/write apparatus |
Yuichi Takahashi, Kazuo Momoo |
2013-12-31 |
| 8462596 |
Optical pickup device and optical disc device |
Yuichi Takahashi, Kazuo Momoo, Hiroaki Matsumiya |
2013-06-11 |
| 8406102 |
Optical pickup and optical read/write apparatus |
Yohichi Saitoh, Kazuo Momoo, Hideki Hayashi |
2013-03-26 |
| 7986607 |
Wave plate, optical pickup and optical disc apparatus |
Kazuo Momoo |
2011-07-26 |
| 7796491 |
Wavelength plate, optical element, and optical pickup |
Seiji Nishiwaki, Kazuo Momoo |
2010-09-14 |
| 7463569 |
Optical disk apparatus with a wavelength plate having a two-dimensional array of birefringent regions |
Seiji Nishiwaki, Kazuo Momoo, Kenji Otani, Yusuke Kanda |
2008-12-09 |