Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397343 | Mold cooling device, cast manufacturing system, and cast manufacturing method | Hideki Aizawa | 2025-08-26 |
| 11340318 | Magnetic sensor and magnetic detection method | Hirotaka Uemura, Takahiro Kato | 2022-05-24 |
| 10999479 | Communication device, communication system, communication method, and recording medium | — | 2021-05-04 |
| 10564205 | Voltage abnormality detection circuit and semiconductor device | — | 2020-02-18 |
| 10503197 | Current generation circuit | Masakazu Sugiura, Nao Otsuka | 2019-12-10 |
| 10288694 | Secondary battery monitoring device and method for diagnosing failure | Yasuhiro Miyamoto, Nao Otsuka | 2019-05-14 |
| 9983067 | Overheat detection circuit and semiconductor device | Masakazu Sugiura, Tsutomu Tomioka, Hideyuki SAWAI, Nao Otsuka, Daisuke Okano | 2018-05-29 |
| 9772365 | Detection circuit | Masakazu Sugiura | 2017-09-26 |
| 9733284 | Current detection circuit | Nao Otsuka, Masakazu Sugiura | 2017-08-15 |
| 9454174 | Power supply voltage monitoring circuit, and electronic circuit including the power supply voltage monitoring circuit | Nao Otsuka | 2016-09-27 |
| 9118326 | Output circuit, temperature switch IC, and battery pack | Masahiro Mitani, Naohiro Hiraoka, Masakazu Sugiura | 2015-08-25 |
| 9059699 | Power supply switching circuit | Tsutomu Tomioka, Masakazu Sugiura | 2015-06-16 |
| 9030249 | Level shift circuit | Kosuke Takada | 2015-05-12 |
| 8895140 | Vinylidene fluoride resin film | Hidetoshi YOSHIMURA, Fukumu Komoda, Susumu Ooka, Koji Nakajima | 2014-11-25 |
| 8604821 | Power supply voltage monitoring circuit and electronic circuit including the power supply voltage monitoring circuit | Masakazu Sugiura | 2013-12-10 |
| 8547163 | Temperature sensor device | Masakazu Sugiura, Masahiro Mitani | 2013-10-01 |
| 8531234 | Temperature detection device | Masakazu Sugiura | 2013-09-10 |
| 8476967 | Constant current circuit and reference voltage circuit | Yuji Kobayashi, Takashi Imura, Masakazu Sugiura | 2013-07-02 |
| 8449179 | Temperature detection system | — | 2013-05-28 |
| 8451571 | Overheat protection circuit and power supply integrated circuit | Takashi Imura, Takao Nakashimo, Masakazu Sugiura, Masahiro Mitani | 2013-05-28 |
| 8264277 | Differential amplifier circuit | Masahiro Mitani | 2012-09-11 |
| 8183907 | Detection circuit and sensor device | Masakazu Sugiura | 2012-05-22 |
| 8063675 | Delay circuit including first and second internal delay circuits and a selection switch | Masakazu Sugiura | 2011-11-22 |
| 7997794 | Temperature sensor circuit | — | 2011-08-16 |
| 7977999 | Temperature detection circuit | Masakazu Sugiura | 2011-07-12 |