Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10444263 | Battery monitoring system | Kazuaki Sano, Toshiyuki Koike, Atsushi Sakurai | 2019-10-15 |
| 9812743 | Battery state monitoring circuit and battery device | Toshiyuki Koike, Kazuaki Sano, Atsushi Sakurai | 2017-11-07 |
| 7528572 | Power system for managing power from multiple power sources | Alvaro Masias, Hisashi Tsukamoto | 2009-05-05 |
| 7339353 | Power system for managing power from multiple power sources | Alvaro Masias, Hisashi Tsukamoto | 2008-03-04 |
| 6489749 | Battery state monitoring circuit having differentiating circuit | Takao Nakashimo | 2002-12-03 |
| 6445162 | Detecting a remaining battery capacity and a battery remaining capacity circuit | — | 2002-09-03 |
| 6407534 | Detecting a microcurrent and a microcurrent detecting circuit | — | 2002-06-18 |
| 6388491 | Delay circuit | Koichi Yamasaki | 2002-05-14 |
| 6369809 | Power supply circuit for liquid crystal display | Sadashi Shimoda | 2002-04-09 |
| 6265848 | Battery state monitoring circuit and battery device | — | 2001-07-24 |
| 6242890 | Charge/discharge control circuit and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2001-06-05 |
| 6198252 | Battery state monitoring circuit and battery device | — | 2001-03-06 |
| 6181108 | Overcharge/overdischarge detecting circuit having current detecting means with latch function and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2001-01-30 |
| 6150797 | Charge and discharge control circuit with function detecting charge and discharge current and chargeable power supply unit | — | 2000-11-21 |
| 6127808 | Overcharge/overdischarge detecting circuit having a reset means and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2000-10-03 |
| 6118253 | Charging and discharging control circuit and charging type power supply device | Koichi Yamazaki | 2000-09-12 |
| 6111388 | Charge and discharge control circuit | — | 2000-08-29 |
| 6107862 | Charge pump circuit | Kimio Shibata | 2000-08-22 |
| 6097177 | Charge/discharge control circuit and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2000-08-01 |
| 6087807 | Charge/discharge control circuit and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2000-07-11 |
| 6060863 | Charge and discharge control circuit and chargeable power supply unit | Atsushi Sakurai, Masanao Hamaguchi | 2000-05-09 |
| 6054841 | Charge/discharge control circuit and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 2000-04-25 |
| 6052016 | Charge and discharge control circuit | Kazunari Sugiura, Masanao Hamaguchi, Takayuki Takahashi | 2000-04-18 |
| 5998974 | Charge/discharge control circuit and chargeable electric power source apparatus | Minoru Sudo, Takayuki Takashina, Yoshikazu Kojima, Sadashi Shimoda | 1999-12-07 |
| 5990663 | Charge/discharge control circuit and charging type power-supply unit | — | 1999-11-23 |