Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622122 | Document retrieving apparatus and document retrieving method | Yoshio Fukushige, Hiroyuki Suzuki, Naohiko Noguchi, Hayashi Ito, Mitsuhiro Sato +1 more | 2003-09-16 |
| 6550009 | Encryption system for distributing a common crypt key | Sachiko Uranaka, Makoto Tatebayashi | 2003-04-15 |