Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772101 | Position detection apparatus and arithmetic processing unit | Masato Tanaka, Shigeru Ishimoto, Katsumi Kitamura | 2004-08-03 |
| 6614846 | Method and apparatus for transmitting, encoding and decoding video signal and recording/reproducing method of optical disc | Yuji Fujiwara, Masakazu Nishino, Seiichi Takeuchi, Kazuhiro Wake, Akifumi Ide +2 more | 2003-09-02 |
| 6490807 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Katsumi Kitamura | 2002-12-10 |
| 6470292 | Position detection apparatus | Masato Tanaka, Shigeru Ishimoto, Katsumi Kitamura | 2002-10-22 |
| 6031885 | Displacement detecting apparatus | Shigeru Ishimoto | 2000-02-29 |
| 5970432 | Apparatus and method for measuring displacement | Shigeru Ishimoto | 1999-10-19 |
| 5646695 | Video signal processing method and apparatus for use with plural television systems | Yuji Fujiwara, Shouichi Nishino, Sigeru Awamoto | 1997-07-08 |
| 5369439 | Orthogonal transform encoder using DC component to control quantization step size | Masakazu Nishino, Shigeru Awamoto | 1994-11-29 |
| 5130862 | Coding apparatus for converting digital signals into ternary signals whose DC component is equal to zero | Masaaki Kobayashi, Yoshitomi Nagaoka, Masafumi Shimotashiro | 1992-07-14 |