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Showing matches for "H01Q1/28".

8 records found

Figure Patent No. Title Assignee Issue Date
U.S. Pat. No. 11,656,258 U.S. Pat. App. No. 17/372,986 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. July 12, 2021 Patent Details
U.S. Pat. No. 11,061,058 U.S. Pat. App. No. 16/855,090 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. April 22, 2020 Patent Details
U.S. Pat. No. 10,634,708 U.S. Pat. App. No. 16/281,433 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. February 21, 2019 Patent Details
U.S. Pat. No. 10,215,788 U.S. Pat. App. No. 14/887,704 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. October 20, 2015 Patent Details
U.S. Pat. No. 9,176,176 U.S. Pat. App. No. 13/706,630 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. December 6, 2012 Patent Details
U.S. Pat. No. 8,330,607 U.S. Pat. App. No. 13/479,401 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. May 24, 2012 Patent Details
U.S. Pat. No. 8,188,875 U.S. Pat. App. No. 13/270,399 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. October 11, 2011 Patent Details
U.S. Pat. No. 8,044,813 U.S. Pat. App. No. 11/979,472 RADIO FIELD INTENSITY MEASUREMENT DEVICE, AND RADIO FIELD INTENSITY DETECTOR AND GAME CONSOLE USING THE SAME Semiconductor Energy Laboratory Co., Ltd. November 5, 2007 Patent Details

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