Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602907 | Method and system for accounting communication charges | Kenji Nemoto | 1997-02-11 |
EH
Emi Hata
Overall (1997): #155,190 of 185,788Top 85%
1
Patents 1997