Issued Patents All Time
Showing 226–249 of 249 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619277 | Video special effect generator | — | 1997-04-08 |
| 5615193 | Information recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashion | Hiroshige Okamura, Hisayuki Yamatsu | 1997-03-25 |
| 5587984 | Hologram printed on optical recording medium for copy protection | Hideo Owa | 1996-12-24 |
| 5577012 | Data recording method, data recording apparatus, and data recording medium | Joost De Kock | 1996-11-19 |
| 5566158 | Information recording medium and a recording apparatus and a reproducing apparatus therefor | Hiroshige Okamura, Hisayuki Yamatsu | 1996-10-15 |
| 5533003 | Recording device capable of detecting the change in length and position of the pit edge | — | 1996-07-02 |
| 5517481 | Optical recording and reproducing apparatus wherein data is recorded by stepwise shifting the edge position of each pit | — | 1996-05-14 |
| 5450381 | Magneto-optical recording utilizing signal phase adjustment | Yoshihiro Tsukamura, Hiroshige Okamura | 1995-09-12 |
| 5258970 | Optical disc and optical disc reproducing apparatus | — | 1993-11-02 |
| 5181870 | Cowling and air inlet device for outboard motor | Hideto Arai | 1993-01-26 |
| 5172352 | Laser recording/reproducing apparatus for an optical disk having a driving circuit for maintaining a servo signal at a predetermined level | — | 1992-12-15 |
| 5157399 | Neural network quantizer | Demetri Psaltis | 1992-10-20 |
| 5144605 | Optical disk apparatus and method for controlling movement of light spot thereof | Norio Nishida, Naoya Eguchi, Shunji Yoshimura | 1992-09-01 |
| 5124968 | Optical disc apparatus and the method for reproducing its clock signals | — | 1992-06-23 |
| 5111445 | Holographic information storage system | Demetri Psaltis, Alan Yamamura | 1992-05-05 |
| 5091965 | Video image processing apparatus | Demetri Psaltis | 1992-02-25 |
| 5069644 | Cowling and air inlet device for outboard motor | Masaharu Miyazaki | 1991-12-03 |
| 5046976 | Cowling and air intake duct for outboard motor | Masaharu Miyazaki | 1991-09-10 |
| 5023855 | Optical disc access control system that counts tracks using tracking control signal | Kiyoshi Ohsato | 1991-06-11 |
| 4925717 | Disk-shaped recording medium and disk apparatus | Yoshihiro Tsukamura, Masataka Ogawa | 1990-05-15 |
| 4853918 | Tracking servo uses tangent function to determine tracking error signal | Norio Nishida | 1989-08-01 |
| 4796250 | Optical recording and reproducing apparatus including a disc extraction area for power setting a laser | Kiyoshi Ohsato | 1989-01-03 |
| 4748062 | Decorative member having transparent layer with lens effect | Yoshihiro Menjo, Takuji Nagata, Hiroshi Ohashi, Yoshiharu Kanamori | 1988-05-31 |
| 4403971 | Intake duct for an outboard engine | Hiroshi Harada | 1983-09-13 |