Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8751673 | Authentication apparatus, authentication method, and data using method | Tomotaka Endo | 2014-06-10 |
| 7510113 | Billing system, and device constituting same | Yoichiro Igarashi, Hiroyuki Taniguchi, Masaaki Takase, Mitsuaki Kakemizu, Masaaki Wakamoto | 2009-03-31 |
| 7117265 | System for controlling communications in a network based on a previous place name and relocated place name displayed on terminals of current conversation participants | Hideki Takamatsu | 2006-10-03 |