Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084700 | Differential voltage amplifier circuit | Takashi Matsumoto | 2006-08-01 |
| 6882133 | DC/DC converter control circuits and DC/DC converter systems with power saving mode in accordance with an external control signal | Takashi Matsumoto, Kyuichi Takimoto | 2005-04-19 |
| 6850674 | Optical device | Takeo Komiya, Maki Ikeji, Takashi Sasaki, Yasushi Fujimura | 2005-02-01 |
| 6696821 | DC-DC converter, duty-ratio setting circuit and electric appliance using them | Takashi Matsumoto, Kyuichi Takimoto | 2004-02-24 |
| 6396246 | Charge/discharge control circuit and secondary battery | Takashi Matsumoto | 2002-05-28 |
| 6373225 | Charge circuit that performs charge control by comparing a plurality of battery voltages | Takashi Matsumoto | 2002-04-16 |
| 6346795 | Discharge control circuit of batteries | Takashi Matsumoto | 2002-02-12 |
| 6194871 | Charge and discharge control circuit and apparatus for secondary battery | Takashi Matsumoto | 2001-02-27 |