Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661769 | Optical storage medium, a tilt detection apparatus, and a data recording and reproducing apparatus | Shin-ichi Kadowaki, Hiromichi Ishibashi, Shigeru Furumiya | 2003-12-09 |
| 6418095 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2002-07-09 |
| 6418107 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2002-07-09 |
| 6327110 | Optical system, position detecting apparatus, magnetic recording apparatus, and lens with aperture | Shin-ichi Kadowaki | 2001-12-04 |
| 6327231 | Optical head device with zero-cross point correction | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2001-12-04 |
| 6314068 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi, Seiji Nishino | 2001-11-06 |
| 6181491 | Optical head device, information recording and reproducing apparatus and optical system | Shin-ichi Kadowaki | 2001-01-30 |
| 6172959 | Optical information processing apparatus | Shin-ichi Tanaka, Shin-ichi Kadowaki | 2001-01-09 |
| 6091690 | Optical head device and optical information processing apparatus | Shin-ichi Kadowaki | 2000-07-18 |
| 6009054 | Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus | Shin-ichi Kadowaki, Shinichi Tanaka, Seiji Nishiwaki, Seiji Nishino | 1999-12-28 |
| 5892741 | Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus | Shin-ichi Kadowaki, Shinichi Tanaka, Seiji Nishiwaki, Seiji Nishino | 1999-04-06 |
| 5881039 | Signal processing device for an optical information reproducing apparatus | Shin-ichi Kadowaki | 1999-03-09 |
| 5740141 | Signal processing device for an optical information reproducing apparatus | Shin-ichi Kadowaki | 1998-04-14 |
| 5587985 | Signal processing device for an optical information reproducing apparatus | Shin-ichi Kadowaki | 1996-12-24 |