ISHIKAWA; Katsumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for ISHIKAWA; Katsumi.The latest application filed is for "three-phase ac motor drive device, rail vehicle equipped with same, and three-phase ac motor drive method".
Company Profile
5.57.59
- ISHIKAWA; Katsumi - Tokyo JP
- Ishikawa; Katsumi - Kochi JP
- Ishikawa; Katsumi - Shizuoka JP
- ISHIKAWA; Katsumi - Hamamatsu JP
- ISHIKAWA; Katsumi - Hamamatsu-shi JP
- Ishikawa; Katsumi - Hitachinaka JP
- Ishikawa; Katsumi - Yokohama JP
- ISHIKAWA; Katsumi - Hitachinaka-shi JP
- Ishikawa; Katsumi - Kanagawa JP
- Ishikawa; Katsumi - Chiyoda-ku JP
- Ishikawa; Katsumi - Takahama JP
- Ishikawa; Katsumi - Takahama-city JP
- Ishikawa; Katsumi - Hitachi JP
- Ishikawa; Katsumi - Fuji JP
- Ishikawa; Katsumi - Kokubunji JP
Patent Activity
| Patent | Date |
|---|---|
| Three-Phase AC Motor Drive Device, Rail Vehicle Equipped With Same, and Three-Phase AC Motor Drive Method App 20220234450 - SHINOMIYA; Takeshi ; et al. | 2022-07-28 |
| Method of using an agricultural electrolyzed water-generating apparatus for generation of agricultural electrolyzed water useful for plant growth Grant 11,279,635 - Ishikawa , et al. March 22, 2 | 2022-03-22 |
| Musical score processing method and musical score processing system Grant 10,885,806 - Fujishima , et al. January 5, 2 | 2021-01-05 |
| Method Of Using An Agricultural Electrolyzed Water-generating Apparatus For Generation Of Agricultural Electrolyzed Water Useful App 20200189939 - ISHIKAWA; Katsumi ; et al. | 2020-06-18 |
| Electrolyzed water-generating apparatus and electrolyzed water Grant 10,486,986 - Ishikawa , et al. Nov | 2019-11-26 |
| Musical Score Processing Method And Musical Score Processing System App 20190333406 - FUJISHIMA; Takuya ; et al. | 2019-10-31 |
| Voice synthesis method and voice synthesis device Grant 10,204,617 - Ishikawa , et al. Feb | 2019-02-12 |
| Electrolyzed Water-generating Apparatus And Electrolyzed Water App 20180111844 - ISHIKAWA; Katsumi ; et al. | 2018-04-26 |
| Agricultural Electrolyzed Water-generating Apparatus And Agricultural Electrolyzed Water App 20170253501 - ISHIKAWA; Katsumi ; et al. | 2017-09-07 |
| Voice Synthesis Method and Voice Synthesis Device App 20170178622 - ISHIKAWA; Katsumi ; et al. | 2017-06-22 |
| Power semiconductor with a Si chip and a wideband chip having matched loss and area ratios Grant 9,171,831 - Ishikawa , et al. October 27, 2 | 2015-10-27 |
| Power conversion device and temperature rise calculation method thereof Grant 8,952,642 - Ayano , et al. February 10, 2 | 2015-02-10 |
| Semiconductor drive circuit and power conversion apparatus using same Grant 8,928,363 - Hatanaka , et al. January 6, 2 | 2015-01-06 |
| Drive Circuit of Semiconductor Switching Element and Power Conversion Circuit Using the Same App 20150003133 - Ogawa; Kazutoshi ; et al. | 2015-01-01 |
| Power Semiconductor With A Si Chip And A Wideband Chip Having Matched Loss And Area Ratios App 20140374794 - Ishikawa; Katsumi ; et al. | 2014-12-25 |
| Inverter Device App 20140334214 - Katoh; Kaoru ; et al. | 2014-11-13 |
| Power semiconductor with a Si chip and a wideband chip having matched loss and area ratios Grant 8,860,170 - Ishikawa , et al. October 14, 2 | 2014-10-14 |
| Power converter Grant 8,860,213 - Kominami , et al. October 14, 2 | 2014-10-14 |
| Power converter Grant 8,829,838 - Ayano , et al. September 9, 2 | 2014-09-09 |
| Semiconductor Drive Circuit and Power Conversion Apparatus Using Same App 20140191784 - Hatanaka; Ayumu ; et al. | 2014-07-10 |
| Power Converter App 20140042611 - KOMINAMI; Tsutomu ; et al. | 2014-02-13 |
| Power converter and motor driving device using the same Grant 8,619,448 - Ogawa , et al. December 31, 2 | 2013-12-31 |
| Power Semiconductor Apparatus App 20130214328 - Ishikawa; Katsumi ; et al. | 2013-08-22 |
| Driver circuit for switching device Grant 8,508,258 - Ishikawa , et al. August 13, 2 | 2013-08-13 |
| Drive circuit of semiconductor device Grant 8,471,622 - Ishikawa , et al. June 25, 2 | 2013-06-25 |
| Power Conversion Device and Temperature Rise Calculation Method Thereof App 20130119912 - Ayano; Hideki ; et al. | 2013-05-16 |
| Power semiconductor apparatus having a silicon power semiconductor device and a wide gap semiconductor device Grant 8,441,075 - Ishikawa , et al. May 14, 2 | 2013-05-14 |
| Drive circuit for switching device Grant 8,395,422 - Ogawa , et al. March 12, 2 | 2013-03-12 |
| Power Converter App 20130015799 - Ayano; Hideki ; et al. | 2013-01-17 |
| Switching circuit and power converter Grant 8,110,944 - Ogawa , et al. February 7, 2 | 2012-02-07 |
| Power Converter And Motor Driving Device Using The Same App 20120007533 - OGAWA; Kazutoshi ; et al. | 2012-01-12 |
| Drive circuit for power semiconductor switching device Grant 7,994,826 - Ishikawa , et al. August 9, 2 | 2011-08-09 |
| Inverter system and vehicle Grant 7,954,334 - Sasaki , et al. June 7, 2 | 2011-06-07 |
| Drive Circuit For Switching Device App 20110080192 - Ogawa; Kazutoshi ; et al. | 2011-04-07 |
| Circuit arrangement having a free-wheel diode Grant 7,880,174 - Shimizu , et al. February 1, 2 | 2011-02-01 |
| Power Converter For Traction Control And Transportation System App 20100327837 - TSUGAWA; Dai ; et al. | 2010-12-30 |
| MRI apparatus with high-resistance magnet Grant 7,847,555 - Komuro , et al. December 7, 2 | 2010-12-07 |
| Method of setting the origin of a linear motor Grant 7,830,109 - Sasaki , et al. November 9, 2 | 2010-11-09 |
| Drive Circuit Of Semiconductor Device App 20100265746 - ISHIKAWA; Katsumi ; et al. | 2010-10-21 |
| Low loss magnet and magnetic circuit using the same Grant 7,806,991 - Komuro , et al. October 5, 2 | 2010-10-05 |
| Power Semiconductor Apparatus App 20100244092 - ISHIKAWA; Katsumi ; et al. | 2010-09-30 |
| Linear motor Grant 7,786,631 - Sasaki , et al. August 31, 2 | 2010-08-31 |
| Hybrid cruising control system Grant 7,783,396 - Arita , et al. August 24, 2 | 2010-08-24 |
| Switching Circuit And Power Converter App 20100207450 - OGAWA; Kazutoshi ; et al. | 2010-08-19 |
| Drive circuit for switching device Grant 7,746,614 - Ishikawa , et al. June 29, 2 | 2010-06-29 |
| Gate drive circuit with reduced switching loss and noise Grant 7,737,761 - Ishikawa , et al. June 15, 2 | 2010-06-15 |
| Driving circuit for switching elements Grant 7,696,650 - Ishikawa , et al. April 13, 2 | 2010-04-13 |
| Protection circuit for power management semiconductor devices and power converter having the protection circuit Grant 7,675,727 - Sasaki , et al. March 9, 2 | 2010-03-09 |
| Power semiconductor module Grant 7,671,465 - Funakoshi , et al. March 2, 2 | 2010-03-02 |
| Power Semiconductor Module App 20090321924 - Funakoshi; Sunao ; et al. | 2009-12-31 |
| Airbag, airbag folding method, and airbag device Grant 7,631,892 - Ishikawa , et al. December 15, 2 | 2009-12-15 |
| Gate driver circuit for switching device Grant 7,570,085 - Ishikawa , et al. August 4, 2 | 2009-08-04 |
| Inverter apparatus Grant 7,564,294 - Ishikawa , et al. July 21, 2 | 2009-07-21 |
| Circuit Device Having A Free Wheeling Diode, Circuit Device And Power Converter Using Diodes App 20090168471 - Tsugawa; Dai ; et al. | 2009-07-02 |
| Power semiconductor module Grant 7,547,966 - Funakoshi , et al. June 16, 2 | 2009-06-16 |
| Drive Circuit for Switching Device App 20090128974 - Ishikawa; Katsumi ; et al. | 2009-05-21 |
| Method For Power Semiconductor Module Fabrication, Its Apparatus, Power Semiconductor Module And Its Junction Method App 20090116197 - FUNAKOSHI; Sunao ; et al. | 2009-05-07 |
| Drive circuit for switching device Grant 7,483,250 - Ishikawa , et al. January 27, 2 | 2009-01-27 |
| Driving Circuit For Switching Elements App 20080315938 - Ishikawa; Katsumi ; et al. | 2008-12-25 |
| Semiconductor Circuit App 20080284482 - Ishikawa; Katsumi | 2008-11-20 |
| Method of Setting the Origin of a Linear Motor App 20080265826 - SASAKI; Toshihiko ; et al. | 2008-10-30 |
| Linear Motor App 20080265690 - Sasaki; Toshihiko ; et al. | 2008-10-30 |
| Circuit Arrangement Having A Free-wheel Diode App 20080258252 - Shimizu; Haruka ; et al. | 2008-10-23 |
| Power Semiconductor Module App 20080224303 - Funakoshi; Sunao ; et al. | 2008-09-18 |
| Hybrid Cruising Control System App 20080183348 - ARITA; Hiroshi ; et al. | 2008-07-31 |
| Substrate package structure and packaging method thereof Grant 7,405,478 - Ishikawa , et al. July 29, 2 | 2008-07-29 |
| MRI Apparatus With High-Resistance Magnet App 20080171216 - Komuro; Matahiro ; et al. | 2008-07-17 |
| Gate Drive Circuit App 20080122497 - ISHIKAWA; Katsumi ; et al. | 2008-05-29 |
| Inverter Apparatus App 20080106320 - ISHIKAWA; Katsumi ; et al. | 2008-05-08 |
| MRI apparatus with high-resistance magnet Grant 7,352,184 - Komuro , et al. April 1, 2 | 2008-04-01 |
| Protection circuit for power management semiconductor devices and power converter having the protection circuit App 20080074819 - Sasaki; Masataka ; et al. | 2008-03-27 |
| Inverter apparatus Grant 7,336,118 - Ishikawa , et al. February 26, 2 | 2008-02-26 |
| Protection circuit for power management semiconductor devices and power converter having the protection circuit Grant 7,295,412 - Sasaki , et al. November 13, 2 | 2007-11-13 |
| Wire bonding method and semiconductor device Grant 7,285,854 - Ishikawa , et al. October 23, 2 | 2007-10-23 |
| Driver circuit for switching device App 20070221994 - Ishikawa; Katsumi ; et al. | 2007-09-27 |
| Power semiconductor module App 20070216013 - Funakoshi; Sunao ; et al. | 2007-09-20 |
| Drive Circuit For Power Semiconductor Switching Device App 20070200602 - Ishikawa; Katsumi ; et al. | 2007-08-30 |
| Gate Driver Circuit For Switching Device App 20070200613 - Ishikawa; Katsumi ; et al. | 2007-08-30 |
| MRI apparatus with high-resistance magnet App 20070159171 - Komuro; Matahiro ; et al. | 2007-07-12 |
| Low loss magnet and magnetic circuit using the same App 20070151632 - Komuro; Matahiro ; et al. | 2007-07-05 |
| Power converter apparatus App 20070103951 - Ishikawa; Katsumi ; et al. | 2007-05-10 |
| Drive circuit for switching device App 20070030615 - Ishikawa; Katsumi ; et al. | 2007-02-08 |
| Driving circuit for switching elements App 20070001742 - Ishikawa; Katsumi ; et al. | 2007-01-04 |
| Drive circuit for switching device Grant 7,126,802 - Ishikawa , et al. October 24, 2 | 2006-10-24 |
| Substrate package structure and packaging method thereof App 20060113668 - Ishikawa; Katsumi ; et al. | 2006-06-01 |
| Fault detection system Grant 7,046,155 - Sato , et al. May 16, 2 | 2006-05-16 |
| Inverter apparatus App 20060033552 - Ishikawa; Katsumi ; et al. | 2006-02-16 |
| Wire bonding method and semiconductor device App 20050205995 - Ishikawa, Katsumi ; et al. | 2005-09-22 |
| Airbag, airbag folding method, and airbag device App 20050206141 - Ishikawa, Katsumi ; et al. | 2005-09-22 |
| Inverter system and vehicle App 20050132726 - Sasaki, Masataka ; et al. | 2005-06-23 |
| Fall impact apparatus Grant 6,892,564 - Ishikawa May 17, 2 | 2005-05-17 |
| Fall impact apparatus App 20050016256 - Ishikawa, Katsumi | 2005-01-27 |
| Drive circuit for switching device App 20040252435 - Ishikawa, Katsumi ; et al. | 2004-12-16 |
| Protection circuit for power management semiconductor devices and power converter having the protection circuit App 20040252432 - Sasaki, Masataka ; et al. | 2004-12-16 |
| Fault detection system App 20040221217 - Sato, Yutaka ; et al. | 2004-11-04 |
| Fault detection system Grant 6,759,964 - Sato , et al. July 6, 2 | 2004-07-06 |
| Fault detection system Grant 6,724,313 - Sato , et al. April 20, 2 | 2004-04-20 |
| Airbag and folding method thereof Grant 6,676,158 - Ishikawa January 13, 2 | 2004-01-13 |
| Fault detection system App 20030076232 - Sato, Yutaka ; et al. | 2003-04-24 |
| Fault detection system App 20030076233 - Sato, Yutaka ; et al. | 2003-04-24 |
| Airbag and folding method thereof App 20020067032 - Ishikawa, Katsumi | 2002-06-06 |
| Power semiconductor device Grant 5,883,403 - Ishikawa , et al. March 16, 1 | 1999-03-16 |
| Air bag module having mid-retainer with guide fins Grant 5,848,803 - Tonooka , et al. December 15, 1 | 1998-12-15 |
| Strain gage load converter Grant 4,212,197 - Kawai , et al. July 15, 1 | 1980-07-15 |
| Temperature sensing protection circuit for IC power chip having thermal hysteresis characteristic Grant 4,092,693 - Ishikawa , et al. May 30, 1 | 1978-05-30 |
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