Issued Patents All Time
Showing 26–50 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787075 | Optical information recording medium and apparatus for recording/reproducing information using the same | Hiroshi Matsuoka, Akio Aoki, Hideki Hosoya, Kazuhiko Matsuoka, Masayuki Usui +4 more | 1988-11-22 |
| 4785440 | Method and apparatus for driving an optical pickup of an optical information recording and reproducing apparatus | Satoshi Shikichi, Akio Aoki | 1988-11-15 |
| 4751394 | Apparatus for recording and/or reproducing information using a card-like recording medium | Kazuhiko Matsuoka, Kenichi Suzuki, Akio Aoki | 1988-06-14 |
| 4729641 | Functional optical element having a non-flat planar interface with variable-index medium | Kazuhiko Matsuoka, Masayuki Usui, Yukuo Nishimura, Takeshi Baba, Atsushi Someya +2 more | 1988-03-08 |
| 4641920 | Optical element having the function of changing the cross-sectional intensity distribution of a light beam | Kazuhiko Matsuoka, Masayuki Usui, Takesi Baba, Atsushi Someya | 1987-02-10 |
| 4585296 | Scanning optical system having a tilting correcting function | Kazuhiko Matsuoka | 1986-04-29 |
| 4571021 | Plural-beam scanning apparatus | Masamichi Tateoka | 1986-02-18 |
| 4565421 | Plural-beam scanning apparatus | — | 1986-01-21 |
| 4523801 | Scanning optical system subjected to a moisture proof treatment | Takeshi Baba, Noriyuki Nose, Hideo Yoshikawa, Akinori Hasu, Setsuo Minami +1 more | 1985-06-18 |
| 4512632 | Original reading apparatus | Jun Tokumitsu | 1985-04-23 |
| 4447112 | Scanning optical system having a tilting correcting function | Kazuhiko Matsuoka | 1984-05-08 |
| 4443055 | Scanning optical system having a tilting correcting function | Kazuhiko Matsuoka | 1984-04-17 |
| 4390235 | Multibeam scanning apparatus provided with a function of changing magnification | — | 1983-06-28 |
| 4380390 | Exposure correcting device | Masamichi Tateoka | 1983-04-19 |
| 4379612 | Scanning optical system having a fall-down correcting function | Kazuhiko Matsuoka | 1983-04-12 |
| 4353617 | Optical system capable of continuously varying the diameter of a beam spot | Jun Tokumitsu | 1982-10-12 |
| 4352541 | Optical scanning device with constant speed scan | Setsuo Minami | 1982-10-05 |
| 4341459 | Scanning projection apparatus | Muneharu Sugiura, Setsuo Minami | 1982-07-27 |
| 4329012 | Two-dimensional scanning device | Takehiko Kiyohara, Haruo Uchiyama | 1982-05-11 |
| 4327959 | Two-dimensional scanning device with deflection scanning plane and optic axis maintained parallel | Takehiko Kiyohara, Jun Saito | 1982-05-04 |
| 4318582 | Two-dimensional scanning apparatus | Takehiko Kiyohara, Haruo Uchiyama | 1982-03-09 |
| 4318583 | Optical scanning system with anamorphic optical system | Takeshi Goshima | 1982-03-09 |
| 4314154 | Two-dimensional scanning device having compensation for scanned image strain | Takehiko Kiyohara, Haruo Uchiyama | 1982-02-02 |
| 4312588 | High-speed recording apparatus | Kazuhiro Hirayama | 1982-01-26 |
| 4299438 | Scanning optical system having at least two reflecting surfaces and an afocal optical system | — | 1981-11-10 |