Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6567355 | Optical detector, optical pickup and optical information reproducing apparatus using optical pickup | Katsuhiko Izumi, Kenichi Shimada, Masayuki Inoue, Shinji Fujita | 2003-05-20 |
| 6507009 | Optical detector, signal processing circuit and optical information reproduction apparatus thereof | Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui, Yasuyuki Sugi +2 more | 2003-01-14 |
| 6400664 | Optical head including electrical circuit which produces focus error signal and tracking error signal unaffected by variations in intensity distributions of reflected light beams | Takeshi Shimano, Shigeru Nakamura, Masayuki Inoue, Yukio Fukui | 2002-06-04 |
| 6125087 | Optical pickup for optical disk apparatus | Masayuki Inoue, Tohru Sasaki, Yukio Fukui, Takeshi Nakao, Takeshi Shimano | 2000-09-26 |
| 5930220 | Tracking method for optical disk apparatus using diffraction light | Takeshi Shimano, Akira Arimoto, Takeshi Nakao, Masayuki Inoue, Yoshio Suzuki | 1999-07-27 |
| 5751680 | Optical disk drive | Toshiaki Ishibashi, Masayuki Inoue, Yoshio Suzuki | 1998-05-12 |
| 5555334 | Optical transmission and receiving module and optical communication system using the same | Masayuki Inoue, Yoshio Suzuki, Yukio Fukui | 1996-09-10 |
| 5541909 | Optical disc with phase pits and a reproducing apparatus for data recorded on the optical disc | Junji Nakajima, Tooru Sasaki, Makoto Miyamoto, Masaaki Kurebayashi, Yoshio Suzuki +4 more | 1996-07-30 |
| 5493554 | 2-laser optical head and recording/reproducing apparatus | Tooru Sasaki, Yasuo Kitada, Masayuki Inoue | 1996-02-20 |
| 5404344 | Recording/reproducing optical head producing focusing error signal from zero-th order diffracted light and tracking error signal from first order diffracted light | Nobuo Imada, Tohru Sasaki, Masayuki Inoue, Akira Arimoto, Shigeru Nakamura +1 more | 1995-04-04 |
| 5404348 | Method for recording and reproducing information using at least two energy beams | Motoyasu Terao, Tesuya Nishida, Hiroshi Yasuoka, Keikichi Ando, Norio Ohta +3 more | 1995-04-04 |
| 5278813 | Optical recording/reproducing apparatus with light beam deflection means including wedge-shaped prism | Tohru Sasaki, Masayuki Inoue, Michio Miura, Akira Saito, Kazuo Shigematsu | 1994-01-11 |
| 4783776 | Method of recording and reproducing digital information and apparatus therefor | Masaji Ishigaki, Hideo Onuki, Yukio Fukui, Masayuki Inoue | 1988-11-08 |
| 4768183 | Optical reproducing apparatus | Akira Arimoto, Masayuki Inoue, Yukio Fukui | 1988-08-30 |