Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10272334 | Program and system | Kiminori Ono | 2019-04-30 |
| 5946670 | Data switching device and method of notifying charge information in data switching network | Eiichiro Takahashi | 1999-08-31 |