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Seoul, South Korea

Chang-Gyun Kim

USPTO Granted Patents = 3

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 27(Granted Patents)

Company Filing History:

Daewoo Electronics Co., Ltd.

Digital and Analog Co., Ltd.

1 out of 832,880

Other

patents

where one patent can have more than one assignee

Years Active: 1994-2005

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6952131 - Digital PWM input D class amplifier by PWM negative feedback (2005-10-04),

2. 5452149 - Automatic video-tape cassette changer for use with a video cassette (1995-09-19),

3. 5301131 - Apparatus and method for controlling the rotational speed of a motor (1994-04-05),

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