Shirafuji; Keigo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shirafuji; Keigo.The latest application filed is for "capacity control valve".
Company Profile
15.27.54
- Shirafuji; Keigo - Tokyo JP
- SHIRAFUJI; Keigo - Minato-ku Tokyo
- Shirafuji; Keigo - Takahashi JP
- Shirafuji, Keigo - Takahashi-shi JP
Patent Activity
| Patent | Date |
|---|---|
| Capacity control valve Grant 11,454,227 - Hayama , et al. September 27, 2 | 2022-09-27 |
| Capacity control valve and method for controlling same Grant 11,434,885 - Hayama , et al. September 6, 2 | 2022-09-06 |
| Capacity Control Valve App 20220243710 - FUKUDOME; Kohei ; et al. | 2022-08-04 |
| Capacity control valve Grant 11,401,923 - Hayama , et al. August 2, 2 | 2022-08-02 |
| Displacement control valve Grant 11,401,922 - Kurihara , et al. August 2, 2 | 2022-08-02 |
| Capacity control valve Grant 11,391,388 - Fukudome , et al. July 19, 2 | 2022-07-19 |
| Capacity Control Valve App 20220213878 - FUKUDOME; Kohei ; et al. | 2022-07-07 |
| Capacity Control Valve App 20220213877 - HAYAMA; Masahiro ; et al. | 2022-07-07 |
| Capacity control valve Grant 11,378,194 - Fukudome , et al. July 5, 2 | 2022-07-05 |
| Capacity Control Valve App 20220196168 - HAYAMA; Masahiro ; et al. | 2022-06-23 |
| Capacity Control Valve App 20220196173 - HAYAMA; Masahiro ; et al. | 2022-06-23 |
| Capacity Control Valve App 20220186853 - HAYAMA; Masahiro ; et al. | 2022-06-16 |
| Capacity control valve having a solenoid and a second plunger between the solenoid and a valve body Grant 11,359,624 - Kurihara , et al. June 14, 2 | 2022-06-14 |
| Capacity control valve having an auxiliary communication part allowing communication with an intermediate passage Grant 11,359,625 - Kurihara , et al. June 14, 2 | 2022-06-14 |
| Capacity Control Valve App 20220178358 - HAYAMA; Masahiro ; et al. | 2022-06-09 |
| Capacity Control Valve App 20220178461 - HAYAMA; Masahiro ; et al. | 2022-06-09 |
| Capacity Control Valve App 20220170564 - HAYAMA; Masahiro ; et al. | 2022-06-02 |
| Capacity Control Valve App 20220154837 - EJIMA; Takahiro ; et al. | 2022-05-19 |
| Capacity Control Valve App 20220154838 - HAYAMA; Masahiro ; et al. | 2022-05-19 |
| Capacity control valve Grant 11,326,585 - Hayama , et al. May 10, 2 | 2022-05-10 |
| Capacity control valve and control method of capacity control valve Grant 11,326,707 - Hayama , et al. May 10, 2 | 2022-05-10 |
| Capacity control valve Grant 11,319,940 - Hayama , et al. May 3, 2 | 2022-05-03 |
| Capacity Control Valve App 20220057010 - EJIMA; Takahiro ; et al. | 2022-02-24 |
| Capacity Control Valve App 20220057005 - HAYAMA; Masahiro ; et al. | 2022-02-24 |
| Capacity control valve Grant 11,242,940 - Hayama , et al. February 8, 2 | 2022-02-08 |
| Capacity control valve Grant 11,225,962 - Kurihara , et al. January 18, 2 | 2022-01-18 |
| Capacity Control Valve App 20220003331 - FUKUDOME; Kohei ; et al. | 2022-01-06 |
| Capacity Control Valve App 20210404570 - HAYAMA; Masahiro ; et al. | 2021-12-30 |
| Capacity Control Valve App 20210381610 - FUKUDOME; Kohei ; et al. | 2021-12-09 |
| Capacity Control Valve App 20210372396 - KURIHARA; Daichi ; et al. | 2021-12-02 |
| Capacity Control Valve App 20210363980 - HAYAMA; Masahiro ; et al. | 2021-11-25 |
| Capacity control valve Grant 11,156,301 - Hayama , et al. October 26, 2 | 2021-10-26 |
| Capacity Control Valve App 20210285433 - HAYAMA; Masahiro ; et al. | 2021-09-16 |
| Capacity Control Valve App 20210285434 - HAYAMA; Masahiro ; et al. | 2021-09-16 |
| Capacity Control Valve App 20210270378 - HAYAMA; Masahiro ; et al. | 2021-09-02 |
| Displacement control valve Grant 11,085,431 - Fukudome , et al. August 10, 2 | 2021-08-10 |
| Displacement control valve Grant 11,053,933 - Warren , et al. July 6, 2 | 2021-07-06 |
| Capacity Control Valve And Control Method Of Capacity Control Valve App 20210190228 - HAYAMA; Masahiro ; et al. | 2021-06-24 |
| Capacity Control Valve App 20210180715 - HAYAMA; Masahiro ; et al. | 2021-06-17 |
| Capacity Control Valve App 20210131413 - HAYAMA; Masahiro ; et al. | 2021-05-06 |
| Capacity Control Valve App 20210123423 - HAYAMA; Masahiro ; et al. | 2021-04-29 |
| Capacity Control Valve App 20210123422 - HAYAMA; Masahiro ; et al. | 2021-04-29 |
| Displacement Control Valve App 20210102532 - KURIHARA; Daichi ; et al. | 2021-04-08 |
| Capacity Control Valve App 20210048018 - KURIHARA; Daichi ; et al. | 2021-02-18 |
| Capacity Control Valve App 20210048017 - KURIHARA; Daichi ; et al. | 2021-02-18 |
| Capacity Control Valve App 20210033082 - HAYAMA; Masahiro ; et al. | 2021-02-04 |
| Capacity Control Valve App 20210033081 - HAYAMA; Masahiro ; et al. | 2021-02-04 |
| Capacity Control Valve App 20200400134 - KURIHARA; Daichi ; et al. | 2020-12-24 |
| Electromagnetic Valve App 20200370673 - FUKUDOME; Kohei ; et al. | 2020-11-26 |
| Capacity Control Valve And Method For Controlling Same App 20200362840 - KURIHARA; Daichi ; et al. | 2020-11-19 |
| Capacity Control Valve And Control Method For Capacity Control Valve App 20200362974 - HAYAMA; Masahiro ; et al. | 2020-11-19 |
| Capacity Control Valve App 20200355282 - HAYAMA; Masahiro ; et al. | 2020-11-12 |
| Capacity Control Valve App 20200355175 - HAYAMA; Masahiro ; et al. | 2020-11-12 |
| Capacity Control Valve And Method For Controlling Same App 20200332786 - HAYAMA; Masahiro ; et al. | 2020-10-22 |
| Capacity Control Valve App 20200325881 - HAYAMA; Masahiro ; et al. | 2020-10-15 |
| Capacity Control Valve And Method For Controlling Same App 20200318624 - HAYAMA; Masahiro ; et al. | 2020-10-08 |
| Capacity Control Valve And Method For Controlling Capacity Control Valve App 20200309105 - HAYAMA; Masahiro ; et al. | 2020-10-01 |
| Displacement Control Valve App 20200191139 - WARREN; Matthew R. ; et al. | 2020-06-18 |
| Displacement Control Valve App 20200088178 - FUKUDOME; Kohei ; et al. | 2020-03-19 |
| Capacity control valve Grant 9,777,863 - Higashidozono , et al. October 3, 2 | 2017-10-03 |
| Capacity control valve Grant 9,714,646 - Shirafuji , et al. July 25, 2 | 2017-07-25 |
| Capacity Control Valve App 20150345655 - HIGASHIDOZONO; Hideki ; et al. | 2015-12-03 |
| Displacement control valve Grant 9,181,937 - Ota , et al. November 10, 2 | 2015-11-10 |
| Capacity Control Valve App 20150211506 - Shirafuji; Keigo ; et al. | 2015-07-30 |
| Displacement Control Valve App 20130126017 - OTA; Masaki ; et al. | 2013-05-23 |
| Capacity control valve Grant 8,387,947 - Uemura , et al. March 5, 2 | 2013-03-05 |
| Displacement control valve for variable displacement compressor Grant 8,152,482 - Umemura , et al. April 10, 2 | 2012-04-10 |
| Capacity control valve Grant 8,128,061 - Uemura , et al. March 6, 2 | 2012-03-06 |
| Capacity Control Valve App 20120037822 - UEMURA; Norio ; et al. | 2012-02-16 |
| Capacity control valve Grant 8,021,124 - Umemura , et al. September 20, 2 | 2011-09-20 |
| Displacement control valve of variable displacement compressor Grant 7,806,666 - Umemura , et al. October 5, 2 | 2010-10-05 |
| Capacity Control Valve App 20100051838 - UEMURA; Norio ; et al. | 2010-03-04 |
| Capacity control valve Grant 7,533,687 - Uemura , et al. May 19, 2 | 2009-05-19 |
| Displacement Control Valve For Variable Displacement Compressor App 20090108221 - UMEMURA; Satoshi ; et al. | 2009-04-30 |
| Capacity Control Valve App 20080138213 - Umemura; Satoshi ; et al. | 2008-06-12 |
| Capacity control valve App 20070145315 - Uemura; Norio ; et al. | 2007-06-28 |
| Displacement control valve of variable displacement compressor App 20060280616 - Umemura; Satoshi ; et al. | 2006-12-14 |
| Capacity control drive Grant 7,077,380 - Uemura , et al. July 18, 2 | 2006-07-18 |
| Capacity control drive App 20050040356 - Uemura, Norio ; et al. | 2005-02-24 |
| Capacity control valve App 20050035321 - Uemura, Norio ; et al. | 2005-02-17 |
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