Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064879 | Mobile communication method, and mobile telephone switching station customer management system, and mobile unit for implementing the same | Minoru Maruyama | 2000-05-16 |
| 5883960 | Method of mobile unit registration and method of IC card registration for mobile communications system, and mobile unit, IC card, and IC card insertion type mobile unit implementing such methods | Minoru Maruyama, Hiroshi Kanno, Kunio Watanabe | 1999-03-16 |
| 5646604 | Mobile unit and a method for enabling a dial lock in the mobile unit | Minoru Maruyama | 1997-07-08 |