Issued Patents 2002
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498459 | Electronic equipment and battery unit | Masafumi Okumura | 2002-12-24 |
| 6492791 | Protection method, control circuit, and battery unit | Mitsuo Saeki, Masafumi Okumura, Shigeo Tanaka | 2002-12-10 |
| 6486635 | Monitor signal output circuit, battery pack, battery voltage monitor circuit, battery system, apparatus, battery voltage monitor method, and battery voltage monitor program storage medium | Kouichi Matsuda, Nakazawa Shigeaki, Mitsuo Saeki | 2002-11-26 |
| 6465984 | Pseudo battery pack, battery pack, electronic apparatus, and electronic apparatus system and method | Kazuhito Fukuoka, Nobuo Tanaka | 2002-10-15 |
| 6452364 | Battery charge control circuit, battery charging device, and battery charge control method | Mitsuo Saeki, Seiya Kitagawa, Toshiyuki Matsuyama | 2002-09-17 |
| 6420858 | DC-to-DC converter circuit having a power saving mode | Seiya Kitagawa, Toshiyuki Matsuyama | 2002-07-16 |
| 6414403 | Power unit | Seiya Kitagawa, Mitsuo Saeki | 2002-07-02 |
| 6404076 | DC-DC converter circuit selecting lowest acceptable input source | Kouichi Matsuda, Mitsuo Saeki | 2002-06-11 |
| 6366475 | Power control method and circuit, and power supply unit | Shigeaki Nakazawa, Hidetoshi Yano, Shigeo Tanaka | 2002-04-02 |