Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7315502 | Light integration unit, optical pickup device using the unit, and optical disk device | Keiji Sakai, Takahiro Miyake, Tetsuo Ueyama, Hiroshige Makioka, Noboru Fujita +1 more | 2008-01-01 |
| 7295390 | Lens actuating device, camera module and portable electronic equipment | — | 2007-11-13 |
| 7236316 | Lens barrel assembly and assembling method therefor | — | 2007-06-26 |
| 7106682 | Optical pickup | Tetsuo Ueyama, Keiji Sakai, Yukio Kurata, Katsushige Masui, Naotaka Otsuka +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, Tetsuo Ueyama | 2006-03-28 |
| 6868055 | Optical pickup | Tetsuo Ueyama, Keiji Sakai, Yukio Kurata, Katsushige Masui, Naotaka Otsuka +2 more | 2005-03-15 |
| 5410622 | Optical integrated circuit having light detector | Kuniaki Okada, Kouji Minami, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1995-04-25 |
| 5410623 | Optical device having two optical waveguides connected and a method of producing the same | Kouji Minami, Kuniaki Okada, Hiroyuki Yamamoto, Yoshio Yoshida, Yukio Kurata | 1995-04-25 |