10 Utility and 5 Design Patents
#105 in Zhejiang
#12,894 in China
#406,495 in the World
rank by utility patentsForward Citations = 25
Company Filing History:
Keeson Technology Corporation Limited
Zhejiang Sunny Optics Co., Ltd.
Caipu Technology (zhejiang) Co., Ltd.
4. 1 out of 242

5. 1 out of 22
Powerchina Huadong Engineering Corporation Limited
where one patent can have more than one assignee
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