Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9679052 | Portable electronic device, signal processing method and playback method | Masakazu Yajima, Takeshi Yamagishi, Takeshi Itagaki, Katsuhiko Nakano | 2017-06-13 |
| 8805006 | Information processing device configured to detect a subject from an image and extract a feature point from the subject, information processing method, program and electronic apparatus | — | 2014-08-12 |
| 6469861 | Head positioning apparatus and method therefor | Yoshikazu Onuki | 2002-10-22 |
| 6144517 | Magnetic disk device and method of manufacturing same | Kenjiro Watanabe, Toru Takeda, Satoru Seko, Kazushige Kawazoe, Takayasu Muto +4 more | 2000-11-07 |
| 6025969 | Method and apparatus for measuring head deviation and method and apparatus for recording/reproducing data | Yoshikazu Onuki, Satoru Seko, Toru Takeda | 2000-02-15 |
| 5949602 | Method and apparatus for measuring head deviation and method and apparatus for recording/reproducing data | Yoshikazu Onuki, Satoru Seko, Toru Takeda | 1999-09-07 |
| 5907448 | Magnetic disk device and method of manufacturing same having convex recordings regions, concave guard bands, and impressed concavities and convexities representing control signals | Kenjiro Watanabe, Toru Takeda, Satoru Seko, Kazushige Kawazoe, Takayasu Muto +4 more | 1999-05-25 |
| 5905705 | Disc device having eccentricity measurement and clock correction | Toru Takeda, Satoru Seko, Itaru Tomisaki | 1999-05-18 |
| 5832092 | Communication system based on shared cipher key, server unit for the same system, client unit for the same system, and method of sharing cipher key in communication system | Masataka OKUDA | 1998-11-03 |
| 5761165 | Disc device providing eccentricity compensation using a head radial position detecting circuit | Toru Takeda, Satoru Seko, Itaru Tomisaki | 1998-06-02 |
| 5745455 | Disc device having eccentricity measurement and clock correction | Toru Takeda, Satoru Seko, Itaru Tomisaki | 1998-04-28 |
| 5617388 | Disc recording/reproducing apparatus which uses stored eccentricity data to maintain the read/write head at a constant radial position during a stand-by mode | Yoshikazu Onuki, Toru Takeda | 1997-04-01 |
| 5615191 | Disc device having eccentricity measurement and clock correction | Toru Takeda, Satoru Seko, Itaru Tomisaki | 1997-03-25 |
| 5166911 | Timer reservation recording system | Seiichi Misawa, Hidemi Tomitsuka | 1992-11-24 |