Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6147477 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Seiya Kitagawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2000-11-14 |
| 6051955 | Protection circuit and battery unit | Mitsuo Saeki, Toshiaki Tsukuni, Yoshiro Takeda | 2000-04-18 |
| 6046896 | DC-to-DC converter capable of preventing overvoltage | Mitsuo Saeki, Hidetoshi Yano | 2000-04-04 |
| 6028755 | DC-to-DC converter capable of preventing overvoltages | Mitsuo Saeki, Hidetoshi Yano | 2000-02-22 |
| 6020718 | Battery capacity predicting method, battery unit and apparatus using battery unit | Nobuo Tanaka, Masami Itoyama, Yoshiro Takeda | 2000-02-01 |
| 6008629 | Charging-and-discharging device for an electronic apparatus, and an electronic apparatus including the same, utilizing a charging device providing a constant charging current | Mituo Saeki, Masafumi Okumura, Hidetoshi Yano | 1999-12-28 |
| 5959368 | Power supply apparatus for supplying power from a plurality of batteries to a plurality of loads, and electronic appliance using the power supply apparatus | Takeshi Kubo, Kuniaki Saito | 1999-09-28 |
| 5905361 | Charging-and-discharging device, constant-voltage and constant-current control circuit, and electronic device | Mituo Saeki, Tsutomu Suzui | 1999-05-18 |
| 5872445 | Power supply device having low internal power consumption and electronic appliances using said power supply device | Masafumi Okumura, Hidetoshi Yano, Mituo Saeki | 1999-02-16 |
| 5808444 | Charging-and-discharging device, battery pack and electronic apparatus including them | Mituo Saeki, Takeshi Kubo | 1998-09-15 |
| 5801514 | Charging-and-discharging control device, a battery pack, and an electronic apparatus with improved charge and discarge control | Mituo Saeki, Hidetoshi Yano | 1998-09-01 |
| 5781000 | Power control unit loading test method | Mitsuo Saeki, Kouichi Matsuda, Hidetoshi Yano | 1998-07-14 |
| 5739667 | Control system for charging batteries and electronic apparatus using same | Kouichi Matsuda, Mitsuo Saeki, Nobuo Tanaka | 1998-04-14 |
| 5717318 | Step-down type DC-DC regulator | Kouichi Matsuda, Mitsuo Saeki, Hidetoshi Yano | 1998-02-10 |
| 5717256 | Power supply apparatus and electronic appliance equipped with the power supply apparatus | Masafumi Okumura, Mituo Saeki, Hidetoshi Yano | 1998-02-10 |
| 5625237 | Remove power source device having improved capacity indication capability, and an electronic device using the removable power source device | Mituo Saeki, Masafumi Okumura | 1997-04-29 |
| 5610450 | Power supply apparatus for efficiently utilizing battery and electronic apparatus using the power supply | Mituo Saeki, Tsutomu Suzui, Hisafumi Mitsui | 1997-03-11 |
| 5572112 | Power supply unit | Mitsuo Saeki, Hidetoshi Yano | 1996-11-05 |
| 5563493 | Power source system of portable information processing system using battery | Kouichi Matsuda, Hidetoshi Yano, Toshiro Obitsu, Tetsuo Yamamoto | 1996-10-08 |
| 4491935 | Scan-out system | Mikio Itoh, Akira Yoshida | 1985-01-01 |