List of speaker patents

Patent RE40908 was granted and assigned to Panasonic on September, 2009 by the United States Patent and Trademark Office.

Patent 11376691 was granted and assigned to Panasonic on July, 2022 by the United States Patent and Trademark Office.

Patent 7494286 was granted and assigned to Panasonic on February, 2009 by the United States Patent and Trademark Office.

Patent 7489784 was granted and assigned to Pioneer Corporation on February, 2009 by the United States Patent and Trademark Office.

Patent 7602247 was granted and assigned to Panasonic on October, 2009 by the United States Patent and Trademark Office.

Patent RE40957 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent RE40958 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent 8045426 was granted and assigned to Panasonic on October, 2011 by the United States Patent and Trademark Office.

Patent 7458732 was granted and assigned to Panasonic on December, 2008 by the United States Patent and Trademark Office.

Patent 7638932 was granted and assigned to Panasonic on December, 2009 by the United States Patent and Trademark Office.

Patent 7620025 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent 7515512 was granted and assigned to Panasonic on April, 2009 by the United States Patent and Trademark Office.

Patent 7508741 was granted and assigned to Panasonic on March, 2009 by the United States Patent and Trademark Office.

Patent 7583316 was granted and assigned to Panasonic on September, 2009 by the United States Patent and Trademark Office.

Patent 7317431 was granted and assigned to Pioneer Corporation on January, 2008 by the United States Patent and Trademark Office.

Patent RE41003 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent RE41004 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent RE40936 was granted and assigned to Panasonic on October, 2009 by the United States Patent and Trademark Office.

Patent 11550313 was granted and assigned to Panasonic on January, 2023 by the United States Patent and Trademark Office.

Patent 7489571 was granted and assigned to Panasonic on February, 2009 by the United States Patent and Trademark Office.

Patent RE41001 was granted and assigned to Panasonic on November, 2009 by the United States Patent and Trademark Office.

Patent RE40701 was granted and assigned to Panasonic on April, 2009 by the United States Patent and Trademark Office.

Patent RE40779 was granted and assigned to Panasonic on June, 2009 by the United States Patent and Trademark Office.