Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1058339 | Handle for tool | Yu Chun Chan | 2025-01-21 |
| 6996176 | Motion estimation process and system using sparse search block-matching and integral protection | Naofumi Yanagihara | 2006-02-07 |
| 6690728 | Methods and apparatus for motion estimation in compressed domain | Naofumi Yanagihara | 2004-02-10 |
| 6671319 | Methods and apparatus for motion estimation using neighboring macroblocks | Naofumi Yanagihara | 2003-12-30 |
| 6483876 | Methods and apparatus for reduction of prediction modes in motion estimation | Naofumi Yanagihara | 2002-11-19 |
| 6377627 | Method and apparatus for decoding MPEG video data | Wei-Le Shen | 2002-04-23 |
| 6266375 | Method and apparatus for selecting a quantization table for encoding a digital image | Chuen-Chien Lee, Naofumi Yanagihara | 2001-07-24 |
| 6215909 | Method and system for improved digital video data processing using 4-point discrete cosine transforms | C. Chang I. Lee, Naofumi Yanagihara | 2001-04-10 |
| 6137916 | Method and system for improved digital video data processing using 8-point discrete cosine transforms | Chuen-Chien Lee, Naofumi Yanagihara | 2000-10-24 |
| 6130912 | Hierarchical motion estimation process and system using block-matching and integral projection | Naofumi Yanagihara | 2000-10-10 |
| 6128047 | Motion estimation process and system using sparse search block-matching and integral projection | Naofumi Yanagihara | 2000-10-03 |
| 6111989 | 1/4 size real time decoding of digital video | Naofumi Yanagihara | 2000-08-29 |
| 6104838 | 1/16 size real time decoding of digital video | Naofumi Yanagihara | 2000-08-15 |
| 5974196 | Method and apparatus for blocking effect reduction in images | Chuen-Chien Lee | 1999-10-26 |
| 5933542 | Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain | Chuen-Chien Lee | 1999-08-03 |
| 5926604 | Apparatus and method for recording and reproducing digital video data | Naofumi Yanagihara | 1999-07-20 |
| 5881180 | Method and apparatus for the reduction of blocking effects in images | Chuen-Chien Lee | 1999-03-09 |
| 5684917 | Apparatus and method for recording and reproducing digital video data in a variable-speed mode | Naofumi Yanagihara | 1997-11-04 |
| 5675666 | Image data compression method and apparatus with pre-processing to compensate for the blocky effect | Teruyoshi Komuro, Masao Mizutani | 1997-10-07 |
| 5543932 | Digital video signal recording apparatus and digital video signal reproducing apparatus | Naofumi Yanagihara, Jun Yonemitsu, Katsumi Tahara, Yoichi Yagasaki, Teruhiko Suzuki | 1996-08-06 |