Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952977 | Optical pickup apparatus | Shinzoh Murakami | 2011-05-31 |
| 7684306 | Optical pickup apparatus | Shinzoh Murakami, Tetsuo Ueyama, Kazuhiro Tsuchida, Yukio Watanabe, Osamu Miyazaki | 2010-03-23 |
| 7573801 | Optical pickup | Yukio Watanabe, Tetsuo Ueyama, Osamu Miyazaki, Shinzoh Murakami, Kazuhiro Tsuchida | 2009-08-11 |
| 7483360 | Optical pickup device using polarizing hologram element and hologram laser therefor | Katsushige Masui, Kazuhiro Tsuchida, Masahiro Ikehara, Keiji Sakai, Tetsuo Ueyama +1 more | 2009-01-27 |
| 7173951 | Semiconductor laser device with light receiving element | Hisayuki Shinohara, Ayumi Yagi, Tetsuyoshi Inoue | 2007-02-06 |
| 7099085 | Optical pick-up apparatus and semiconductor laser apparatus | Shigehiro Yamada, Takashi Itoh, Nobumasa Kaneko | 2006-08-29 |
| 7088754 | Semiconductor laser device and optical pickup device | — | 2006-08-08 |
| 6989596 | Semiconductor laser manufacturing method and semiconductor laser | Tetsuyoshi Inoue | 2006-01-24 |
| 6983002 | Semiconductor laser device and optical pickup using the same | Hideshi Koizumi, Ayumi Yagi, Nobumasa Kaneko | 2006-01-03 |
| 6977951 | Semiconductor laser apparatus and optical pickup apparatus using same | Ayumi Yagi | 2005-12-20 |
| 6899936 | Stamper, manufacturing method therefor and optical device manufactured therewith | Hirotoshi Takemori | 2005-05-31 |
| 6868105 | Semiconductor laser device, method of fabricating the same, and optical pickup employing the same | Ayumi Yagi | 2005-03-15 |
| 4543708 | Method of manufacturing an armature | Masanori Yoshizaki, Takao Mifune, Kenichi Nakamura, Yukio Endo, Hidetoshi Takamatsu +2 more | 1985-10-01 |