Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8179750 | Optical pickup device and optical disc device | Hironori Nakahara, Toshiya Matozaki | 2012-05-15 |
| 8171506 | Optical-system driving device effecting switchover between objective lenses for achieving focal spots | Keiji Nakamura, Mitoru Yabe, Toshiya Matozaki | 2012-05-01 |
| 8125869 | Optical recording method and optical recording device | Yusuke Kanatake, Tomo Kishigami | 2012-02-28 |
| 8045441 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-10-25 |
| 8040763 | Objective lens driving device and optical pickup device | Toshiya Matozaki | 2011-10-18 |
| 8036087 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-10-11 |
| 8036086 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-10-11 |
| 8018812 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-09-13 |
| 8014253 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-09-06 |
| 8014254 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-09-06 |
| 8004943 | Optical disc recording method and optical disc having multiple layers with non-overlapping test recording areas in adjacent layers | Osamu Tsukahara, Tomo Kishigami | 2011-08-23 |
| 8004949 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-08-23 |
| 8000217 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-08-16 |
| 7995451 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-08-09 |
| 7969840 | Recording method for optimizing an optimal recording power | Osamu Tsukahara, Tomo Kishigami | 2011-06-28 |
| 7957238 | Optical recording method and optical recorder | Tomo Kishigami, Osamu Tsukahara | 2011-06-07 |
| 7907493 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-03-15 |
| 7889613 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-02-15 |
| 7889614 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2011-02-15 |
| 7800985 | Optical pickup device | Toshiya Matozaki | 2010-09-21 |
| 7773485 | Optical disc and optical disc device | Hironori Nakahara, Masaharu Ogawa | 2010-08-10 |
| 7701812 | Optical element driving apparatus | Toshiya Matozaki, Keiji Nakamura, Mitoru Yabe | 2010-04-20 |
| 7679846 | Lens driving device, optical pick up device and adjusting method | Toshiya Matozaki | 2010-03-16 |
| 7660217 | Optical disc recording method and optical disc | Osamu Tsukahara, Tomo Kishigami | 2010-02-09 |
| 7554675 | Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method | Teruo Fujita, Toshiya Matozaki, Michihiro Tadokoro | 2009-06-30 |