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For the Inventor, By the Inventor

Beijing, China

Sony (China) Limited


USPTO Granted Patents = 8

% Expired Patents = 50.0

Forward Citations = 11

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19 inventors (with patents filed for the assignee):

goldMedal Weiguo Wu (2 out of 21 patents)

silverMedal Zhongsheng Hong (1 out of 9 patents)

bronzeMedal Bo Han (1 out of 22 patents)

4.  Shen Cheng (1 out of 2 patents)

5.  Takayuki Yoshigahara (1 out of 61 patents)

6.  Chengjia Lu (1 out of 1 patent)

7.  Leiping Zhu (1 out of 1 patent)

8.  Xiong Chen (1 out of 1 patent)

9.  Katsumi Yamatogi (1 out of 1 patent)

10.  Osamu Kihara (1 out of 1 patent)

11.  Li Liang (1 out of 1 patent)

12.  Yichuan Hu (1 out of 1 patent)

13.  Hajime Mizuno (1 out of 1 patent)

14.  Zhixiong Yao (1 out of 1 patent)

15.  Yasufumi Yamaji (1 out of 4 patents)


8 patents:

1. 12647745 - Information processing apparatus, information processing method, and computer-readable storage medium (2026-06-02),
2. 12483787 - Photographic image processing method and device (2025-11-25),
3. 8922492 - Device and method of inputting characters (2014-12-30),
4. 8614651 - Thin apparatus for displaying image (2013-12-24),
5. 8351650 - Foreground action estimating apparatus and foreground action estimating method (2013-01-08),
6. 8326042 - Video shot change detection based on color features, object features, and reliable motion information (2012-12-04),
7. 8249289 - Electronic apparatus of splittable type (2012-08-21),
8. 8120580 - Electronic apparatus with display screen (2012-02-21),
Company Overview
Sony (China) Limited is a subsidiary of the Japanese multinational conglomerate corporation Sony Corporation. The company offers a wide range of products and services, including consumer electronics, gaming, entertainment, and financial services. Sony has a strong presence in the Chinese market, providing innovative and high-quality products to its customers.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#342 in Beijing

#3,464 in China

Beijing, CN
Beijing, China

Sony (China) Limited

Forward Citations = 11

19 inventors:

goldMedal Weiguo Wu (2 out of 21 patents)

silverMedal Zhongsheng Hong (1 out of 9 patents)

bronzeMedal Bo Han (1 out of 22 patents)

4.  Shen Cheng (1 out of 2 patents)

5.  Takayuki Yoshigahara (1 out of 61 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sony (China) Limited. Retrieved from https://idiyas.com/company/sony-china

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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