Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486948 | Stereo image forming apparatus having a light deflection member in each optical path | Muneharu Sugiura, Katsutoshi Hoashi | 1996-01-23 |
| 5313441 | Optical recording and reproducing apparatus having a pickup head including a main prism with reflecting surfaces for splitting the reflected beam | Michihiro Tadokoro | 1994-05-17 |
| 5199012 | Apparatus for detecting positional deviation of a moving stage in a two-stage optical recording/producing apparatus | — | 1993-03-30 |
| 5111041 | Means for securing a photodetector to a base plate or the like | — | 1992-05-05 |
| 5051975 | Optical recording and/or reproducing apparatus having a temperature adjusting device | Michihiro Tadokoro, Kazuo Okada | 1991-09-24 |
| 5025430 | Magneto-optic recording and reproducing apparatus including a multiple layer recording medium having a premagnetized bias layer replacing an external bias magnetic | Michihiro Takokoro, Kazuo Okada | 1991-06-18 |
| 5016232 | Magneto-optic information-carrying medium including three magnetic layers | Michihiro Tadokoro, Kazuo Okada | 1991-05-14 |
| 5007266 | Successive cold working process | Shohachi Nishiuchi, Shigeo Ohta, Haruo Meguro | 1991-04-16 |
| 4962479 | Optical data storage system with wavelength selective laminate | Kazuo Okada | 1990-10-09 |
| 4881204 | Optical reading or writing apparatus | Michihiro Tadokoro, Kazuo Okada | 1989-11-14 |
| 4876666 | Wavelength selective optical data storage system | Kazuo Okada, Michihiro Tadokoro | 1989-10-24 |
| 4868807 | Wavelength selective optical data storage system | Kazuo Okada, Michihiro Tadokoro | 1989-09-19 |
| 4861139 | Apparatus for positioning an optical element | Nobuyoshi Andou | 1989-08-29 |
| 4862442 | Focus detecting apparatus utilizing reflecting surface having variable reflectivity or transmissivity | Michihiro Tadokoro, Kazuo Okada | 1989-08-29 |
| 4841507 | Optical head for an optical recording and reproducing apparatus | Ryuichiro Arai, Kimiyuki Koyanagi, Michihiro Tadokoro | 1989-06-20 |