Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6876602 | Electronic timepiece, information processing device, method of displaying charged condition of secondary cell, and computer product | Masakazu Ichikawa, Isao Kitazawa, Masao Sakuyama | 2005-04-05 |
| 6593901 | Electronic device | Isao Kitazawa, Hiroshi Fujioka, Takashi Osa, Masahiro Sase | 2003-07-15 |
| 6185158 | Small electronic apparatus having function display | Yukio Ito, Isao Kitazawa | 2001-02-06 |
| 6118219 | AC driver having three power supply voltages including an internally generated voltage | Shozo Ochiai | 2000-09-12 |