Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851014 | Device for applying release agent to glass bottle finishing mold, method for applying release agent to glass bottle finishing mold, device for manufacturing glass bottle, and method for manufacturing glass bottle | Ryusuke KAWAHARA, Takahiro Nishimura, Ryu WADA, Hiroshi Ikeda, Hiroshi Nakajima +1 more | 2020-12-01 |
| 9551917 | Light source unit and projection display system using same | Mitsuru Nagasawa, Satoshi Ouchi, Tomoto Kawamura | 2017-01-24 |
| 8891147 | Optical beam scanning device and image display device using the same | — | 2014-11-18 |
| 8693075 | Scan type image display device | Takeshi Nakao, Hiromi Kita, Norio Hosaka | 2014-04-08 |
| 8644120 | Optical information processing device and tracking control method thereof for use with grooveless multilayer optical disc | — | 2014-02-04 |
| 8331207 | Optical pickup and optical disc unit | Katsuhiko Izumi, Kazuyoshi Yamazaki, Tomoto Kawamura | 2012-12-11 |
| 8149678 | Diffraction grating, optical pickup and optical disc device | — | 2012-04-03 |
| 8081550 | Optical pickup device | Kazuyoshi Yamazaki | 2011-12-20 |
| 8072850 | Optical information recording apparatus | Fumio Isshiki, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2011-12-06 |
| 7965594 | Optical pickup and optical disc apparatus | Toshiteru Nakamura, Shigeharu Kimura, Toshio Sugiyama | 2011-06-21 |
| 7936658 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Tomoto Kawamura, Masayuki Inoue, Katsuhiko Izumi | 2011-05-03 |
| 7911915 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2011-03-22 |
| 7724626 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2010-05-25 |
| 7715298 | Optical pickup and optical information reproducing apparatus using same | — | 2010-05-11 |
| 7706220 | Photodetector, diffraction grating, optical pickup and optical disc apparatus | Tomoto Kawamura, Masayuki Inoue, Katsuhiko Izumi | 2010-04-27 |
| 7697393 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2010-04-13 |
| 7697394 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2010-04-13 |
| 7656771 | Optical pickup and optical disc drive | Kenichi Shimada, Nobuhiro Konuma | 2010-02-02 |
| 7590043 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2009-09-15 |
| 7480216 | Optical information recording apparatus | Fumio Isshiki, Nobuyuki Maeda, Takahiro Kurokawa, Takeshi Shimano | 2009-01-20 |
| 7327661 | Optical pickup and optical information recording apparatus using the same | Tomoto Kawamura, Masayuki Inoue | 2008-02-05 |
| 6934228 | Optical head | Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui | 2005-08-23 |
| 6778475 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup for detecting at least three light beams separated from one or more light sources | Katsuhiko Izumi, Kenichi Shimada, Masayuki Inoue, Shinji Fujita | 2004-08-17 |
| 6728173 | Information reproducing method which reproduces plural components of a focus error signal and a tracking error signal from plural detection regions of plural reflected light beams | Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui | 2004-04-27 |
| 6721242 | Optical detector having three light receiving areas | Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui, Yasuyuki Sugi +2 more | 2004-04-13 |