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For the Inventor, By the Inventor

Hong Kong, China

Chervon Limited

Calculating rank
USPTO Granted Patents = 55

% Expired Patents = 56.4



Trademarks = 1

Forward Citations = 636

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46 inventors (with patents filed for the assignee):

goldMedal Gan Wei (11 out of 25 patents)

silverMedal Masatoshi Fukinuki (9 out of 24 patents)

bronzeMedal Toshinari Yamaoka (7 out of 141 patents)

4.  Hongtao Zhou (7 out of 22 patents)

5.  Dezhong Yang (4 out of 68 patents)

6.  Guillaume Keller (4 out of 13 patents)

7.  Yongbing Zhu (4 out of 6 patents)

8.  Jianjun Shuang (4 out of 10 patents)

9.  Zhiguo Chen (3 out of 11 patents)

10.  Yasheng Chen (3 out of 7 patents)

11.  Keith Park (3 out of 10 patents)

12.  Haishen Xu (2 out of 51 patents)

13.  Yuexiang Zhang (2 out of 13 patents)

14.  Wu Chen (2 out of 30 patents)

15.  Shuming Wu (2 out of 40 patents)


Core Competencies:
Sanding Machine
Clamping Mechanism
Power Tool
Auto Hammer
Table Saw
Router
Nailer Device
Electric Shears
Laser Distance Finder
Reciprocating Saw
Miter Saw
Battery Pack

55 patents:

1. 8894469 - Sanding machine with clamping mechanism (2014-11-25),
2. 8793886 - Power tool with a rotatable working head (2014-08-05),
3. 8783378 - Auto hammer (2014-07-22),
4. 8656902 - Table saw having a detachable table extension for cutting tile (2014-02-25),
5. 8602850 - Power sander having a sanding plate locking mechanism (2013-12-10),
6. 8596512 - Clamping mechanism for an electric hammer (2013-12-03),
7. D691437 - String trimmer (2013-10-15),
8. 8545143 - Router with a cutting depth adjustment mechanism (2013-10-01),
9. 8485276 - Auto hammer (2013-07-16),
10. 8479965 - Auto hammer (2013-07-09),
11. 8475236 - Sander having a damping element (2013-07-02),
12. 8469250 - Auto hammer (2013-06-25),
13. 8439243 - Nailer device (2013-05-14),
14. 8434234 - Electric shears (2013-05-07),
15. 8432535 - Optoelectronic range finder (2013-04-30),
Company Overview
Chervon Limited, headquartered in Hong Kong, specializes in the development and manufacturing of advanced power tools. The company focuses on a diverse range of products, including sanding machines, clamping mechanisms, auto hammers, table saws, routers, nailer devices, and electric shears. With a commitment to innovation, Chervon integrates cutting-edge technology into its tools, catering to both professional and DIY markets. The company's expertise in power tool technology positions it as a significant player in the global tools industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

55 Patents

#57 in Hong Kong

#590 in China

#12,945 in the World

Hong Kong, CN
Hong Kong, China

Chervon Limited

Forward Citations = 636

46 inventors:

goldMedal Gan Wei (11 out of 25 patents)

silverMedal Masatoshi Fukinuki (9 out of 24 patents)

bronzeMedal Toshinari Yamaoka (7 out of 141 patents)

4.  Hongtao Zhou (7 out of 22 patents)

5.  Dezhong Yang (4 out of 68 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chervon Limited. Retrieved from https://idiyas.com/company/chervon

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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