Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990834 | Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording media | Osamu Miyazaki, Yukio Watanabe, Yasuo Nakata, Tomio Mashiyama | 2011-08-02 |
| 7684306 | Optical pickup apparatus | Kazunori Matsubara, Shinzoh Murakami, Kazuhiro Tsuchida, Yukio Watanabe, Osamu Miyazaki | 2010-03-23 |
| 7649825 | Splitting element, light emitter, and optical pickup apparatus | Kazuhiro Tsuchida, Toshiya Nagahama, Keiji Sakai, Katsushige Masui, Naotaka Otsuka | 2010-01-19 |
| 7573801 | Optical pickup | Yukio Watanabe, Osamu Miyazaki, Kazunori Matsubara, Shinzoh Murakami, Kazuhiro Tsuchida | 2009-08-11 |
| 7483360 | Optical pickup device using polarizing hologram element and hologram laser therefor | Katsushige Masui, Kazuhiro Tsuchida, Kazunori Matsubara, Masahiro Ikehara, Keiji Sakai +1 more | 2009-01-27 |
| 7397752 | Pickup for magneto-optical recording medium | Kohji Minami, Tomoyuki Miyake, Yasuo Nakata | 2008-07-08 |
| 7369479 | Optical miniaturized module, optical pickup device, and optical disk device provided with light source and photodetector | Masaru Ogawa, Kohji Minami, Tomoyuki Miyake, Tomiyuki Numata | 2008-05-06 |
| 7315502 | Light integration unit, optical pickup device using the unit, and optical disk device | Keiji Sakai, Takahiro Miyake, Renzaburo Miki, Hiroshige Makioka, Noboru Fujita +1 more | 2008-01-01 |
| 7218599 | Optical pickup | Yukio Watanabe | 2007-05-15 |
| 7184384 | Optical pickup | Keiji Sakai, Renzaburou Miki, Osamu Miyazaki, Yukio Watanabe | 2007-02-27 |
| 7106682 | Optical pickup | Keiji Sakai, Yukio Kurata, Katsushige Masui, Naotaka Otsuka, Renzaburo Miki +2 more | 2006-09-12 |
| 7019280 | Apparatus for detecting the tilt of a light reflector relative to the optical axis of input light | Fumio Kokubo, Keiji Sakai, Renzaburo Miki | 2006-03-28 |
| 6868055 | Optical pickup | Keiji Sakai, Yukio Kurata, Katsushige Masui, Naotaka Otsuka, Renzaburo Miki +2 more | 2005-03-15 |
| 6487015 | Diffraction grating having multiple gratings with different cycles for generating multiple beams and optical pickup using such diffraction grating | Kazuya Kitamura, Yukio Kurata, Takeshi Yamaguchi | 2002-11-26 |
| 6392965 | Optical pickup device | — | 2002-05-21 |
| D416027 | Sewing machine | — | 1999-11-02 |
| 5881035 | Optical pickup device, optical disk recording/reproducing apparatus, and method of generating focus error signal | — | 1999-03-09 |
| D392652 | Sewing machine | Sanae Takada | 1998-03-24 |
| D383764 | Sewing machine | — | 1997-09-16 |
| 5483508 | Optical recording and reproducing apparatus using a hologram to detect and judge a plurality of pit patterns | Takahiro Miyake, Toshiyuki Tanaka, Yukio Kurata | 1996-01-09 |
| 5331621 | Optical pickup apparatus and a hologram element used for same | Takahiro Miyake, Yoshio Yoshida, Katushiro Kubo, Yukio Kubata | 1994-07-19 |
| 5267089 | Inclination adjusting device for an objective lens for an optical information recording and reproduction apparatus | Yasuhiro Yamamoto, Yoshihiro Sekimoto | 1993-11-30 |
| 5189655 | Optical head for optical disk recording/reproducing apparatus including modified Wollaston prism | Nobuo Ogata, Yoshihiro Sekimoto, Toshiyuki Tanaka, Hideaki Sato | 1993-02-23 |
| 5085496 | Optical element and optical pickup device comprising it | Yoshio Yoshida, Takahiro Miyake, Yasuo Nakata, Yukio Kurata, Nobuo Ogata +1 more | 1992-02-04 |