Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988441 | Refrigerator management method, refrigerator management device, refrigerator management system, and temperature calculation method | Wanjing Du | 2024-05-21 |
| 11934259 | Failure diagnosis device, failure diagnosis system, household electrical appliance, sensor unit, and failure diagnosis method | Wanjing Du | 2024-03-19 |
| 10422544 | Information notification method and relocation determination device | Chieko Sasaki, Hiroko Sugimoto | 2019-09-24 |
| 10395670 | Diagnosis method, diagnosis device, and computer-readable recording medium which records diagnosis program | Masao Nonaka, Hiroko Sugimoto | 2019-08-27 |
| 10372102 | Control method for air conditioner, terminal device, and operation control system | Chieko Sasaki, Masao Nonaka, Hiroko Sugimoto | 2019-08-06 |
| 9832640 | Wireless connection authentication method and server | Takeshi Nakayama, Masaaki Harada, Kunio Nakatsukasa | 2017-11-28 |
| 8896378 | Differential amplifier circuit with ultralow power consumption provided with adaptive bias current generator circuit | Tetsuya Hirose, Yumiko Tsuruya, Osamu Kobayashi | 2014-11-25 |
| 8803725 | Single slope AD converter circuit provided with compartor for comparing ramp voltage with analog input voltage | Tetsuya Hirose | 2014-08-12 |
| 8692623 | Relaxation oscillator circuit including two clock generator subcircuits having same configuration operating alternately | Seichiro Shiga, Tetsuya Hirose | 2014-04-08 |
| 8614570 | Reference current source circuit including added bias voltage generator circuit | Tetsuya Hirose | 2013-12-24 |
| 8436654 | Level converter circuit for use in CMOS circuit device provided for converting signal level of digital signal to higher level | Tetsuya Hirose, Toshihiko Mori | 2013-05-07 |
| 8421435 | Power supply voltage controlling circuit for use in subthreshold digital CMOS circuit including minute current generator and controlled output voltage generator circuit | Tetsuya Hirose, Kei Matsumoto | 2013-04-16 |
| 8305134 | Reference current source circuit provided with plural power source circuits having temperature characteristics | Tetsuya Hirose, Toyoaki Kito | 2012-11-06 |