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For the Inventor, By the Inventor

Shanghai, China

Ruizhang Technology Limited Company

Calculating rank
USPTO Granted Patents = 18

% Expired Patents = 5.6


Trademarks = 5

Forward Citations = 59

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18 inventors (with patents filed for the assignee):

goldMedal John Stephen Smith (10 out of 109 patents)

silverMedal Steve Wang (5 out of 39 patents)

bronzeMedal William Schnaitter (3 out of 16 patents)

4.  Mark Alfred Hadley (2 out of 60 patents)

5.  Curtis Lee Carrender (2 out of 42 patents)

6.  Edward John Boling (1 out of 24 patents)

7.  Chang-Chi Liu (1 out of 7 patents)

8.  Roger Green Stewart (1 out of 142 patents)

9.  Chee Kwang Quek (1 out of 4 patents)

10.  James Harold Atherton (1 out of 3 patents)

11.  Jay Tu (1 out of 8 patents)

12.  Tom Pounds (1 out of 5 patents)

13.  Curt Carrender (1 out of 17 patents)

14.  Ronald W Gilbert (1 out of 15 patents)

15.  John Howard Rolin (1 out of 34 patents)


18 patents:

1. 11057076 - Selective application of error detection and correction for radio frequency identification (2021-07-06),
2. 10256809 - Power-on reset circuit (2019-04-09),
3. 10141982 - RFID protocols with non-interacting variants (2018-11-27),
4. 9921601 - Fractional bandgap circuit with low supply voltage and low current (2018-03-20),
5. 9911077 - Persistent nodes for RFID (2018-03-06),
6. 9904819 - Increasing backscatter level for RFID chip (2018-02-27),
7. 9805227 - Subset selection of RFID tags using light (2017-10-31),
8. 9640013 - Tiered radio frequency identification (2017-05-02),
9. 9582691 - Simultaneous programming of selected tags (2017-02-28),
10. 9552540 - Persistent nodes for RFID (2017-01-24),
11. 9515637 - Power-on reset circuit (2016-12-06),
12. 9483671 - Methods and apparatuses to identify devices (2016-11-01),
13. 9418328 - RFID tags and processes for producing RFID tags (2016-08-16),
14. 9406012 - Integrated circuits with persistent data storage (2016-08-02),
15. 9405941 - Simultaneous programming of selected tags (2016-08-02),
Company Overview
Ruizhang Technology Limited Company, based in Shanghai, specializes in advanced technology solutions, focusing on the development and manufacturing of innovative electronic products. The company is dedicated to enhancing consumer experiences through cutting-edge research in fields such as smart devices and automation technologies. With a commitment to quality and innovation, Ruizhang Technology aims to contribute significantly to the evolving landscape of technology in China and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

18 Patents

#154 in Shanghai

#1,629 in China

#34,263 in the World

Shanghai, CN
Shanghai, China

Ruizhang Technology Limited Company

Forward Citations = 59

18 inventors:

goldMedal John Stephen Smith (10 out of 109 patents)

silverMedal Steve Wang (5 out of 39 patents)

bronzeMedal William Schnaitter (3 out of 16 patents)

4.  Mark Alfred Hadley (2 out of 60 patents)

5.  Curtis Lee Carrender (2 out of 42 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ruizhang Technology Limited Company. Retrieved from https://idiyas.com/company/ruizhang-technology-company

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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