Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5982754 | Method of charging for additional services, and additional-service communication system | Shinichi Ishigaki | 1999-11-09 |
DI
Daiji Itou
Overall (All Time): #3,667,008 of 4,157,543Top 90%
1
Patents All Time