Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047981 | Distance measurement device | Takashi Haruguchi, Toshihiro Koga | 2021-06-29 |
| 11035986 | Light source device and projector | — | 2021-06-15 |
| 10749311 | Light source device and projection device | — | 2020-08-18 |
| 10514158 | Light source device and projection device | Hideo Yamaguchi, Hirotaka Ueno, Kazuhiko Yamanaka | 2019-12-24 |
| 8498189 | Optical pickup device | — | 2013-07-30 |
| 8270265 | Optical pickup device and optical disk device | Hideki Yoshinaka, Mayumi Tsukamoto, Satoshi Nagata, Eizo Ono | 2012-09-18 |
| 8208360 | Optical pickup device and optical disk driver using the same | — | 2012-06-26 |
| 7889620 | Optical pickup device and optical disk device | Hideki Yoshinaka, Mayumi Tsukamoto, Satoshi Nagata, Eizo Ono | 2011-02-15 |
| 7738347 | Optical pickup device and optical disk drive | Mayumi Tsukamoto, Hiroshi Sato, Eizo Ono | 2010-06-15 |
| 7573800 | Optical pickup and optical disk apparatus | Mitsuhiro Matsumoto, Jiro Mimasa, Hiroshi Tanigawa, Hiroshi Kamei, Toshiharu Kimura +3 more | 2009-08-11 |
| 7355954 | Laser module, optical pickup device, optical disk device, focus error detection method and tracking error detection method | Takashi Haruguchi, Junichi Mutoh, Susumu Uragami | 2008-04-08 |
| 6757224 | Integrated optical component and optical pick-up device | Shogo Horinouchi, Hiroshi Goto, Fuminobu Furukawa | 2004-06-29 |
| 6654320 | Optical pickup apparatus | Shogo Horinouchi, Shigeki Takeuchi, Toshihiro Koga, Fuminobu Furukawa | 2003-11-25 |
| 6556533 | Optical pickup device | Taiichi Mori, Hiroshi Tanigawa, Haruhiko Kono, Mikio Tomisaki, Seigi Ito +1 more | 2003-04-29 |
| 6266314 | Optical pickup device | Taiichi Mori, Hiroshi Tanigawa, Haruhiko Kono, Mikio Tomisaki, Seigi Ito +1 more | 2001-07-24 |
| 6256283 | Optical pickup having a common light beam path for passing either of a plurality of kinds of light beams | Taiichi Mori, Hiroshi Tanigawa, Haruhiko Kono, Mikio Tomisaki, Seigi Ito +1 more | 2001-07-03 |
| 5867468 | Optical pickup with a vertically movable aperture means | Taiichi Mori | 1999-02-02 |
| 5812518 | Floating-type optical head having incorporated therein a floating slider and an optical device which floats with the slider, includes a condensing unit and is supported movably relative to the floating slider | — | 1998-09-22 |
| 5761178 | Optical integrating element and integration type optical pickup device using the same | Taiichi Mori, Shogo Horinouchi | 1998-06-02 |
| 5687155 | Optical integrating element and integration type optical pickup device using the same | Taiichi Mori, Shogo Horinouchi | 1997-11-11 |
| 5615203 | Floating-type optical head having incorporated therein a floating slider and an optical device which floats with the slider, includes a light source, condensing unit and photodetector and is supported movably relative to the floating slider | — | 1997-03-25 |
| 5315454 | Loading method of magnetic head and magnetic disc apparatus | — | 1994-05-24 |
| 5255135 | Method of loading slider and magnetic disk apparatus | Seiji Itoh | 1993-10-19 |
| 5184263 | Loading method and drive unit for a floating magnetic head for loading the magnetic head while preventing contact between the magnetic head and a magnetic disk | Hiroshi Tomiyasu | 1993-02-02 |