Yoshiko Hatano
33Patents
15h-index
38Co-inventors
81Inventor score
Filing activity: Aug 17, 1988 → Sep 14, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6091460A | Video signal encoding method and system | Electricity | 62 | Expired |
| US6009236A | Digital video signal record and playback device and method for giving priority to a center of an I frame | Electricity | 58 | Expired |
| US5307163A | Coding apparatus | Electricity | 51 | Expired |
| US5543845A | High efficiency encoding apparatus | Electricity | 41 | Expired |
| US6414995B2 | Motion vector detection system | Electricity | 41 | Expired |
| US8094715B2 | Video signal encoding device and video signal encoding method | Electricity | 39 | Active |
| US6434268B1 | Color conversion device and color conversion method | Electricity | 33 | Expired |
| US6480670B1 | Video signal encoding method and system | Electricity | 31 | Expired |
| US5825419A | Coding device and decoding device of digital image signal | Electricity | 30 | Expired |
| US6590601B2 | Videophone apparatus with privacy protection | Electricity | 26 | Expired |
| US5442399A | Method and apparatus for coding a digital video signal by formatting the signal into blocks | Electricity | 23 | Expired |
| US6795503B2 | Video coding method and apparatus that predicts macroblock code length | Electricity | 19 | Expired |
| US5485533A | Method and apparatus for encoding video signals in 3-D blocks without detecting image motion | Electricity | 18 | Expired |
| US5432556A | Coding apparatus | Electricity | 18 | Expired |
| US6134382A | Digital video signal record and playback device and method for giving priority to a center of an I frame | Electricity | 16 | Expired |
| US4906942A | Frequency demodulator with reversal phenomenon compensation | Electricity | 12 | Expired |
| US4862099A | Digital FM demodulator with distortion correction | Electricity | 12 | Expired |
| US6792046B2 | Encoding system and encoding method | Electricity | 11 | Expired |
| US7343083B2 | Digital video signal record and playback device and method for selectively reproducing desired video information from an optical disk | Electricity | 8 | Expired |
| US6549717B2 | Digital video signal record and playback device and method for giving priority to a center of an I frame | Electricity | 7 | Expired |
| US7433408B2 | Encoding system and encoding method | Electricity | 6 | Active |
| US7340150B2 | Digital video signal record and playback device and method for selectively reproducing desired video information from an optical disk | Electricity | 4 | Expired |
| US6931069B2 | Coding device and coding method | Electricity | 3 | Expired |
| US6922490B2 | Image compression of selected regions based on transmission bit rate, motion, and/or region information, and bit selection before compression based on transmission bit rate | Electricity | 3 | Expired |
| US6829062B2 | Color conversion device and color conversion method | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.