Hiyama; Kazuaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hiyama; Kazuaki.The latest application filed is for "control circuit and power conversion device".
Company Profile
2.28.23
- Hiyama; Kazuaki - Tokyo JP
- Hiyama; Kazuaki - Chiyoda-ku JP
- Hiyama; Kazuaki - Fukuoka JP
- Hiyama, Kazuaki - Fukuoka-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Semiconductor device and power conversion system Grant 11,139,808 - Yoshida , et al. October 5, 2 | 2021-10-05 |
| Power conversion device Grant 11,025,245 - Hiyama , et al. June 1, 2 | 2021-06-01 |
| Flyback power supply, inverter and electrically powered vehicle Grant 10,978,953 - Hiyama April 13, 2 | 2021-04-13 |
| Semiconductor device, inverter, and automobile Grant 10,833,669 - Hiyama November 10, 2 | 2020-11-10 |
| Control Circuit And Power Conversion Device App 20200186140 - HIYAMA; Kazuaki ; et al. | 2020-06-11 |
| Semiconductor Device, Inverter, And Automobile App 20200067502 - HIYAMA; Kazuaki | 2020-02-27 |
| Semiconductor Device And Power Conversion System App 20190372567 - YOSHIDA; Kentaro ; et al. | 2019-12-05 |
| Flyback Power Supply, Inverter And Electrically Powered Vehicle App 20190043664 - HIYAMA; Kazuaki | 2019-02-07 |
| Buffer circuit Grant 9,843,318 - Hayashi , et al. December 12, 2 | 2017-12-12 |
| Semiconductor device comprising a conductive film joining a diode and switching element Grant 9,716,052 - Osaga , et al. July 25, 2 | 2017-07-25 |
| Semiconductor device Grant 9,530,766 - Ishihara , et al. December 27, 2 | 2016-12-27 |
| Switching element drive circuit, power module, and automobile Grant 9,461,640 - Hiyama October 4, 2 | 2016-10-04 |
| Drive protection circuit, semiconductor module, and automobile Grant 9,455,566 - Hiyama September 27, 2 | 2016-09-27 |
| Semiconductor Device App 20160141284 - ISHIHARA; Mikio ; et al. | 2016-05-19 |
| Buffer Circuit App 20160134271 - HAYASHI; Kei ; et al. | 2016-05-12 |
| Semiconductor Device App 20160126156 - OSAGA; Tsuyoshi ; et al. | 2016-05-05 |
| Switching Element Drive Circuit, Power Module, And Automobile App 20150318850 - HIYAMA; Kazuaki | 2015-11-05 |
| Drive Protection Circuit, Semiconductor Module, And Automobile App 20150311692 - HIYAMA; Kazuaki | 2015-10-29 |
| Semiconductor device Grant 9,013,850 - Hiyama April 21, 2 | 2015-04-21 |
| Semiconductor device Grant 8,933,568 - Takayama , et al. January 13, 2 | 2015-01-13 |
| Gate drive circuit Grant 8,610,485 - Hiyama December 17, 2 | 2013-12-17 |
| Power module Grant 8,421,163 - Hiyama April 16, 2 | 2013-04-16 |
| Semiconductor Device App 20130083442 - HIYAMA; Kazuaki | 2013-04-04 |
| Power Module App 20120032725 - HIYAMA; Kazuaki | 2012-02-09 |
| Semiconductor Device App 20110221076 - TAKAYAMA; Tsuyoshi ; et al. | 2011-09-15 |
| Gate Drive Circuit App 20100148846 - HIYAMA; Kazuaki | 2010-06-17 |
| Gate drive circuit Grant 7,710,187 - Hiyama May 4, 2 | 2010-05-04 |
| Semiconductor device Grant 7,602,595 - Hiyama October 13, 2 | 2009-10-13 |
| Drive device driving a plurality of semiconductor elements having respective reference potential electrodes coupled via a main electrode unit and alternating current power supply device provided with the drive device Grant 7,547,992 - Hiyama June 16, 2 | 2009-06-16 |
| Gate Drive Circuit App 20090066402 - HIYAMA; Kazuaki | 2009-03-12 |
| Drive Device Driving A Plurality Of Semiconductor Elements Having Respective Reference Potential Electrodes Coupled Via A Main Electrode Unit And Alternating Current Power Supply Device Provided With The Drive Device App 20080297964 - HIYAMA; Kazuaki | 2008-12-04 |
| Semiconductor Device App 20080198526 - Hiyama; Kazuaki | 2008-08-21 |
| Semiconductor protection circuit Grant 6,891,707 - Hiyama , et al. May 10, 2 | 2005-05-10 |
| Power device driving circuit Grant 6,756,825 - Hiyama June 29, 2 | 2004-06-29 |
| Inrush current limiting circuit, power source device and power conversion device Grant 6,735,098 - Hussein , et al. May 11, 2 | 2004-05-11 |
| Power device driving circuit App 20040017227 - Hiyama, Kazuaki | 2004-01-29 |
| Driver circuit for power device Grant 6,680,630 - Hiyama January 20, 2 | 2004-01-20 |
| Inverter with pre-charging capacitor to reduce inrush current Grant 6,654,262 - Hussein , et al. November 25, 2 | 2003-11-25 |
| Power conversion device App 20030002298 - Hussein, Khalid Hassan ; et al. | 2003-01-02 |
| Inrush current limiting circuit, power source device and power conversion device App 20020191426 - Hussein, Khalid Hassan ; et al. | 2002-12-19 |
| Semiconductor protection circuit App 20020176215 - Hiyama, Kazuaki ; et al. | 2002-11-28 |
| Inverter device Grant 6,459,598 - Yamamoto , et al. October 1, 2 | 2002-10-01 |
| Power converter Grant 6,351,399 - Takanashi , et al. February 26, 2 | 2002-02-26 |
| Power converter App 20010028572 - Takanashi, Ken ; et al. | 2001-10-11 |
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