Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453296 | Electronic credit system and communication apparatus | — | 2002-09-17 |
| 6449378 | Data processing apparatus and method and storage medium | Jun Yoshida, Kenichi Nagasawa | 2002-09-10 |
| 6434253 | Data processing apparatus and method and storage medium | Junichi Hayashi | 2002-08-13 |
| 6434746 | Accounting in an image transmission system based on a transmission mode and an accounting mode based on the transmission mode | Takayuki Nagashima | 2002-08-13 |
| 6425081 | Electronic watermark system electronic information distribution system and image filing apparatus | — | 2002-07-23 |