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Headset
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Patent number 12,114,124
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Issue date Oct 8, 2024
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Huawei Technologies Co., Ltd.
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Rongrong Wu
-
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone device
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Patent number 10,212,504
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Issue date Feb 19, 2019
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Sony Corporation
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Kenji Ide
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Sound reproduction device
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Patent number 9,578,410
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Issue date Feb 21, 2017
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Sony Corporation
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Noriyuki Ozawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone device
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Patent number 9,451,350
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Issue date Sep 20, 2016
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Sony Corporation
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Kenji Ide
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Sound reproducing device
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Patent number 9,025,799
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Issue date May 5, 2015
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Sony Corporation
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Noriyuki Ozawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Sound reproduction device
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Patent number 8,976,987
-
Issue date Mar 10, 2015
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Sony Corporation
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Noriyuki Ozawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphones
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Patent number 8,325,962
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Issue date Dec 4, 2012
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Sony Corporation
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Hiroyuki Ishida
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone
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Patent number 8,213,665
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Issue date Jul 3, 2012
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Sony Corporation
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Keitaro Fujiwara
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone device
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Patent number 7,983,438
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Issue date Jul 19, 2011
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Sony Corporation
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Naotaka Tsunoda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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Loudspeaker device
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Patent number 7,813,522
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Issue date Oct 12, 2010
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Sony Corporation
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Yoshio Ohashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Charging device and charging method
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Patent number 7,609,026
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Issue date Oct 27, 2009
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Sony Corporation
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Naotaka Tsunoda
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Speaker device
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Patent number 7,274,798
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Issue date Sep 25, 2007
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Sony Corporation
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Yoshio Ohashi
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone device
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Patent number 7,245,736
-
Issue date Jul 17, 2007
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Sony Corporation
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Naotaka Tsunoda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Headphone
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Patent number 6,744,901
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Issue date Jun 1, 2004
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Sony Corporation
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Tomohiro Ito
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number 6,738,487
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Issue date May 18, 2004
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Sony Corporation
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Koji Nageno
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Earphone
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Patent number 5,949,896
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Issue date Sep 7, 1999
-
Sony Corporation
-
Koji Nageno
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H04 - ELECTRIC COMMUNICATION TECHNIQUE