Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512920 | Satellite communications system and handover processing method | — | 2003-01-28 |
| 5937045 | Telephone call fee notifying system and telephone call fee notifying apparatus | Hiroshi Sato, Mariko Mori, Saburou Ikeda, Takemasa Takahashi, Hiromi Atsuta +2 more | 1999-08-10 |