Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418232 | Method of authenticating digital-watermark pictures | Kazunori Nakano, Juńichi Taguchi, Isao Echizen, Yutaka Kurosu | 2002-07-09 |
| 6411714 | Data decompression/decryption method and system | Kazuo Takaragi, Yusuke Hino, Yutaka Otsu | 2002-06-25 |
| 6404781 | Data transmission method for embedded data, data transmitting and reproducing apparatuses and information recording medium therefor | Osamu Kawamae, Toshifumi Takeuchi, Takao Arai | 2002-06-11 |
| 6310956 | Copy protection apparatus and method | Hajime Morito, Michael Roe | 2001-10-30 |
| 6311277 | Method and device for managing computer network | Kazuo Takaragi, Seiichi Domyo | 2001-10-30 |
| 6157720 | Method and apparatus for encrypting data | Kazuo Takaragi, Mayuko Shimizu | 2000-12-05 |
| 6131162 | Digital data authentication method | Kazuo Takaragi, Ryoichi Sasaki, Seiichi Susaki, Hisashi Toyoshima, Tsukasa Saito | 2000-10-10 |
| 6122378 | Data compression/encryption method and system | Kazuo Takaragi, Yusuke Hino, Yutaka Otsu | 2000-09-19 |
| 5872530 | Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same | Seiichi Domyo, Yoshiaki Hattori, Yutaka Otsu, Hiromasa Murakami | 1999-02-16 |
| 5319739 | Method for retrieving case for problem and inferring solution of the problem and system thereof | Tadashi Hirose | 1994-06-07 |
| 5243689 | Case-based inference processing method | Fumihiko Mori | 1993-09-07 |
| 4959799 | Inference method and system | Takeshi Chusho, Shoichi Masui, Hideo Ohata | 1990-09-25 |
| 4736296 | Method and apparatus of intelligent guidance in natural language | Yasunori Katayama, Ryosei Hiraoka, Kunio Nakanishi | 1988-04-05 |