Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949159 | Idle current correcting circuit and low voltage drive type electronic appliance | — | 1999-09-07 |
| 5844868 | Digital-analog shared circuit in dual mode radio equipment | Tsutomu Katsuyama | 1998-12-01 |
| 5714908 | Power correction method and circuit | — | 1998-02-03 |
| D338461 | Automotive telephone handset | Michael Paton, Katsuhito Watanabe | 1993-08-17 |
| D337764 | Automotive telephone handset | Michael Paton, Katsuhito Watanabe | 1993-07-27 |
| D334015 | Automotive telephone handset | Michael Paton, Katushio Watanabe | 1993-03-16 |
| 5095494 | Data transmission apparatus | Hiroshi Etoh | 1992-03-10 |
| 5046187 | Method and apparatus for notifying completion of data communication for mobile radio telephone | — | 1991-09-03 |
| 4890332 | Apparatus for judging quality of mobile data communication | — | 1989-12-26 |
| 4823373 | Line switching control system for mobile communication | Tadashi Amakasu, Hiroshi Etoh | 1989-04-18 |
| 4779274 | Request repeat method for data communication | Hiroshi Etoh | 1988-10-18 |