Hirota; Ken
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirota; Ken.The latest application filed is for "drive control device and drive control method".
- Hirota; Ken - Kyoto JP
- HIROTA; KEN - Gunma JP
- Hirota; Ken - Kiryu JP
- Hirota; Ken - Kyotanabe JP
- Hirota; Ken - Kyotanabe-shi JP
- Hirota; Ken - Kiryu-shi Gunma
- Hirota; Ken - Osaka JP
- Hirota; Ken - Toyonaka JP
| Patent | Date |
|---|---|
| Magnetic material and production method therefor Grant 11,056,258 - Hirota , et al. July 6, 2 | 2021-07-06 |
| Drive Control Device And Drive Control Method App 20190241173 - SUZUKI; TAKU ; et al. | 2019-08-08 |
| Electric motor and electric pump Grant 10,128,720 - Ishizeki , et al. November 13, 2 | 2018-11-13 |
| ZrO2-Al2O3-based ceramic sintered compact and production method thereof Grant 9,902,654 - Hirota , et al. February 27, 2 | 2018-02-27 |
| Magnetic Material And Production Method Therefor App 20180033531 - HIROTA; Ken ; et al. | 2018-02-01 |
| ZrO2-Al2O3-BASED CERAMIC SINTERED COMPACT AND PRODUCTION METHOD THEREOF App 20170362129 - Hirota; Ken ; et al. | 2017-12-21 |
| Electric Motor And Electric Pump App 20150357886 - Ishizeki; Masaki ; et al. | 2015-12-10 |
| Boron carbide ceramic and manufacturing method thereof Grant 7,893,000 - Hirota , et al. February 22, 2 | 2011-02-22 |
| Boron Carbide Ceramic And Manufacturing Method Thereof App 20100311561 - HIROTA; Ken ; et al. | 2010-12-09 |
| Boron carbide ceramic and manufacturing method thereof Grant 7,799,715 - Hirota , et al. September 21, 2 | 2010-09-21 |
| Boron Carbide Ceramic And Manufacturing Method Thereof App 20090082191 - Hirota; Ken ; et al. | 2009-03-26 |
| Composite material comprising metallic alloy grains coated with a dielectric substance Grant 5,352,522 - Kugimiya , et al. * October 4, 1 | 1994-10-04 |
| Magnetic sintered composite material Grant 5,350,628 - Kugimiya , et al. * September 27, 1 | 1994-09-27 |
| Magnetic material Grant 5,238,507 - Kugimiya , et al. August 24, 1 | 1993-08-24 |
| Composite material and a method for producing the same Grant 5,183,631 - Kugimiya , et al. February 2, 1 | 1993-02-02 |
| Magnetic material for a magnetic head Grant 5,073,214 - Hirota , et al. December 17, 1 | 1991-12-17 |
| Process for producing single-crystal ceramics Grant 4,900,393 - Kugimiya , et al. February 13, 1 | 1990-02-13 |
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