Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7182257 | Distribution management method and system | Masaki Ogihara, Yasuhiko Mizuno | 2007-02-27 |
| 7173515 | RFID tag, and RFID tag-related determining device and method, and management system and method | Masaru Ohki, Hideki Tokuyama, Shojiro Asai, Kazuo Takaragi, Atsushi Tanaka | 2007-02-06 |
| 6880753 | Distribution management method and system | Masaki Ogihara, Yasuhiko Mizuno | 2005-04-19 |
| 5212768 | Method and apparatus for processing knowledge | Hiroshi Yajima, Shoichi Masui, Kikuo Yoshimura, Hiroko Tanabe | 1993-05-18 |