44 Utility and 2 Design Patents
#284 in Shanghai
#2,023 in China
#48,539 in the World
rank by utility patentsForward Citations = 183
Company Filing History:
Shenzhen Yunyinggu Technology Co., Ltd.
Viewtrix Technology Co., Ltd.
Shanghai Huahong Grace Semiconductor Manufacturing Corporation
4. 4 out of 8
Kunshan Yunyinggu Electronic Technology Co., Ltd
5. 4 out of 404

where one patent can have more than one assignee
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