Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7747538 | Memory card | Masayuki Hatanaka, Takahisa Hatakeyama, Takayuki Hasebe, Seigou Kotani, Shigeki Furuta +5 more | 2010-06-29 |
| 7477742 | Method and apparatus for controlling contents utilization, and a computer product | Bintatsu Noda, Seigo Kotani, Takehiko Hayashi | 2009-01-13 |
| 7383446 | Recording device | Masayuki Hatanaka, Takahisa Hatakeyama, Takayuki Hasebe, Seigou Kotani, Tadaaki Tonegawa +4 more | 2008-06-03 |
| 7203312 | Data reproduction apparatus and data reproduction module | Masayuki Hatanaka, Takahisa Hatakeyama, Takayuki Hasebe, Seigou Kotani, Shigeki Furuta +4 more | 2007-04-10 |
| 7181629 | Data distribution system as well as data supply device terminal device and recording device for the same | Masayuki Hatanaka, Takahisa Hatakeyama, Takayuki Hasebe, Seigou Kotani, Shigeki Furuta +5 more | 2007-02-20 |
| 7147150 | Personal identification terminal and method having selectable identification means or identification levels | Souichi Okada, Takayuki Hasebe, Takehiko Hayashi | 2006-12-12 |
| 7058770 | Method and apparatus for controlling the recording of digital information, by using unit management table | Yuichi Kanai, Yoshihiro Hori, Ryoji Ohno, Takeo Ohishi, Kenichiro Tada +1 more | 2006-06-06 |
| 7028340 | Apparatus, a system and method for controlling access to contents | Seigo Kotani, Etsuo Ono, Massayuki Hatanaka, Masatoshi Yoshida, Takahiro Nakai | 2006-04-11 |
| 6999948 | Memory card | Masayuki Hatanaka, Takahisa Hatakeyama, Takayuki Hasebe, Seigou Kotani, Shigeki Furuta +5 more | 2006-02-14 |
| 6915434 | Electronic data storage apparatus with key management function and electronic data storage method | Yasutsugu Kuroda, Shoko Iwase, Bintatsu Noda, Etsuo Ono | 2005-07-05 |
| 6668269 | Computer system process scheduler determining and executing processes based upon changeable priorities | Masanobu Yuhara, Etsuo Ono | 2003-12-23 |
| 6599675 | Polyimides and polyamic acids | Ken-ichi Goto, Takashi Kuroki, Shoji Tamai | 2003-07-29 |
| 6505213 | File management apparatus and method | Etsuo Ono, Yasutsugu Kuroda | 2003-01-07 |
| 6421779 | Electronic data storage apparatus, system and method | Yasutsugu Kuroda, Etsuo Ono | 2002-07-16 |
| 6345360 | Apparatus method and computer readable storage medium with recorded program for managing files with alteration preventing/detecting functions | Yasutsugu Kuroda, Etsuo Ono | 2002-02-05 |
| 6173390 | Storage medium driving device, storage medium and data protecting method | Seigo Kotani, Naoya Torii | 2001-01-09 |
| 6108683 | Computer system process scheduler determining and executing processes based upon changeable priorities | Masanobu Yuhara, Etsuo Ono | 2000-08-22 |