Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158055 | Key input circuit, power supply control apparatus, and power supply control method | Hironobu Sasaki | 2007-01-02 |
| 6686671 | Key input circuit, power supply control apparatus, and power supply control method | Hironobu Sasaki | 2004-02-03 |
| 6125265 | Portable telephone device | Naoyuki Yamamoto | 2000-09-26 |