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For the Inventor, By the Inventor

Beijing, China

Journey Technology, Ltd.


USPTO Granted Patents = 3

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

goldMedal Yu Zheng (3 out of 44 patents)

silverMedal Wuwen Ding (2 out of 2 patents)

bronzeMedal Menghua Zhang (1 out of 3 patents)

4.  Xinyan Han (1 out of 1 patent)


3 patents:

1. 11556008 - Optical apparatus and waveguide display apparatus (2023-01-17),
2. 11262698 - Preparation system and method for polymer-dispersed liquid crystal holographic grating (2022-03-01),
3. 10838212 - Optical apparatus and waveguide display apparatus (2020-11-17),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#584 in Beijing

#7,230 in China

...
Beijing, China

Journey Technology, Ltd.

Forward Citations = 0

4 inventors:

goldMedal Yu Zheng (3 out of 44 patents)

silverMedal Wuwen Ding (2 out of 2 patents)

bronzeMedal Menghua Zhang (1 out of 3 patents)

4.  Xinyan Han (1 out of 1 patent)

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