List of Sumida patents

Patents where

Current Assignee

Name

‌

Sumida

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 7382221 Coil	Patent 7382221 was granted and assigned to Sumida on June, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7382221	June 3, 2008
‌ US Patent 7280025 Magnetic element	Patent 7280025 was granted and assigned to Sumida on October, 2007 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7280025	October 9, 2007
‌ US Patent 7161308 High-voltage discharge lamp operating device	Patent 7161308 was granted and assigned to Sumida on January, 2007 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7161308	January 9, 2007
‌ US Patent 7291992 Load failure protection circuit and discharge lamp driving apparatus	Patent 7291992 was granted and assigned to Sumida on November, 2007 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7291992	November 6, 2007
‌ US Patent 7345566 Magnetic element	Patent 7345566 was granted and assigned to Sumida on March, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7345566	March 18, 2008
‌ US Patent 7463130 Inductance element	Patent 7463130 was granted and assigned to Sumida on December, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7463130	December 9, 2008
‌ US Patent 7523542 Method of manufacturing a magnetic element	Patent 7523542 was granted and assigned to Sumida on April, 2009 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7523542	April 28, 2009
‌ US Patent 7449984 Magnetic element and method of manufacturing magnetic element	Patent 7449984 was granted and assigned to Sumida on November, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7449984	November 11, 2008
‌ US Patent 7116204 Leakage transformer	Patent 7116204 was granted and assigned to Sumida on October, 2006 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7116204	October 3, 2006
‌ US Patent 9818534 Electronic component having air-core coil	Patent 9818534 was granted and assigned to Sumida on November, 2017 by the United States Patent and Trademark Office.	‌ Sumida	‌ Sumida	United States Patent and Trademark Office	9818534	November 14, 2017
‌ US Patent 7411477 Inductor	Patent 7411477 was granted and assigned to Sumida on August, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7411477	August 12, 2008
‌ US Patent 10186774 Antenna device and method for manufacturing antenna device	Patent 10186774 was granted and assigned to Sumida on January, 2019 by the United States Patent and Trademark Office.	‌ Sumida	‌ Sumida	United States Patent and Trademark Office	10186774	January 22, 2019
‌ US Patent 7392581 Method for manufacturing a magnetic element	Patent 7392581 was granted and assigned to Sumida on July, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7392581	July 1, 2008
‌ US Patent 9117582 Magnetic powder material, low-loss composite magnetic material containing same, and magnetic element using same	Patent 9117582 was granted and assigned to Sumida on August, 2015 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	9117582	August 25, 2015
‌ US Patent 7427963 Antenna coil and antenna device	Patent 7427963 was granted and assigned to Sumida on September, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7427963	September 23, 2008
‌ US Patent 7327212 Plate member, magnetic element using the same, and magnetic element manufacturing method	Patent 7327212 was granted and assigned to Sumida on February, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7327212	February 5, 2008
‌ US Patent 7612640 Magnetic element	Patent 7612640 was granted and assigned to Sumida on November, 2009 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7612640	November 3, 2009
‌ US Patent 7616166 Three-axis antenna, antenna unit, and receiving device	Patent 7616166 was granted and assigned to Sumida on November, 2009 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7616166	November 10, 2009
‌ US Patent 7342476 Leakage transformer	Patent 7342476 was granted and assigned to Sumida on March, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7342476	March 11, 2008
‌ US Patent 7116201 High-voltage transformer	Patent 7116201 was granted and assigned to Sumida on October, 2006 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7116201	October 3, 2006
‌ US Patent 7358841 Core and inductor having the core	Patent 7358841 was granted and assigned to Sumida on April, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7358841	April 15, 2008
‌ US Patent 7768374 Inverter transformer and discharge tube drive circuit using the same	Patent 7768374 was granted and assigned to Sumida on August, 2010 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7768374	August 3, 2010
‌ US Patent 7567161 Coil component	Patent 7567161 was granted and assigned to Sumida on July, 2009 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7567161	July 28, 2009
‌ US Patent 7553562 Composite-type magnetic core and method of manufacturing the same	Patent 7553562 was granted and assigned to Sumida on June, 2009 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7553562	June 30, 2009
‌ US Patent 7443277 Coil component	Patent 7443277 was granted and assigned to Sumida on October, 2008 by the United States Patent and Trademark Office.		‌ Sumida	United States Patent and Trademark Office	7443277	October 28, 2008

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