Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8547814 | Semiconductor laser device, optical pickup apparatus, and method of manufacturing semiconductor laser device | Shinzoh Murakami, Mototaka Taneya, Takahide Ishiguro, Satoru Fukumoto, Takeshi Horiguchi | 2013-10-01 |
| 8059515 | Optical pickup apparatus | Shinzoh Murakami, Takehiro Shiomoto, Osamu Hamaoka | 2011-11-15 |
| 7911922 | Optical-integrated unit and optical pickup device used for reading and/or writing information from/onto an optical record medium | — | 2011-03-22 |
| 7649825 | Splitting element, light emitter, and optical pickup apparatus | Kazuhiro Tsuchida, Toshiya Nagahama, Keiji Sakai, Tetsuo Ueyama, Naotaka Otsuka | 2010-01-19 |
| 7483360 | Optical pickup device using polarizing hologram element and hologram laser therefor | Kazuhiro Tsuchida, Kazunori Matsubara, Masahiro Ikehara, Keiji Sakai, Tetsuo Ueyama +1 more | 2009-01-27 |
| 7136409 | Semiconductor laser device and optical pickup device | Masahiro Ikehara, Kazuhiro Tsuchida, Keiji Sakai | 2006-11-14 |
| 7106682 | Optical pickup | Tetsuo Ueyama, Keiji Sakai, Yukio Kurata, Naotaka Otsuka, Renzaburo Miki +2 more | 2006-09-12 |
| 6983005 | Holographic laser and optical pickup | Kazuhiro Tsuchida | 2006-01-03 |
| 6868055 | Optical pickup | Tetsuo Ueyama, Keiji Sakai, Yukio Kurata, Naotaka Otsuka, Renzaburo Miki +2 more | 2005-03-15 |
| 6847665 | Semiconductor laser device and method for producing the same | Shigehiro Yamada, Kazuhiro Tsuchida, Toshiya Nagahama, Takahide Ishiguro, Naotaka Ohtsuka | 2005-01-25 |
| 5557116 | Semiconductor laser device and resin layer | Nobuyuki Miyauchi, Zenpei Tani, Hiroshi Chikugawa, Makoto Tsuji, Masaru Ogawa +1 more | 1996-09-17 |