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For the Inventor, By the Inventor

Shandong, China

J.w. Medical Systems Ltd.

Calculating rank
USPTO Granted Patents = 32

% Expired Patents = 21.9


Forward Citations = 703

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39 inventors (with patents filed for the assignee):

goldMedal David W Snow (18 out of 60 patents)

silverMedal Bernard H Andreas (12 out of 122 patents)

bronzeMedal Stephen Kao (6 out of 16 patents)

4.  Patrick H Ruane (6 out of 18 patents)

5.  Craig Welk (6 out of 22 patents)

6.  Pablo Acosta (5 out of 37 patents)

7.  Jeffry J Grainger (4 out of 26 patents)

8.  Stuart Lin (4 out of 4 patents)

9.  Hanson S Gifford, Iii (3 out of 265 patents)

10.  Timothy Robinson (3 out of 42 patents)

11.  Israel S Chermoni (3 out of 8 patents)

12.  Joseph Karratt (3 out of 7 patents)

13.  Denise M Demarais (3 out of 54 patents)

14.  Mark E Deem (3 out of 146 patents)

15.  David L Lowe (3 out of 41 patents)


Core Competencies:
Drug Delivery Balloon
Expandable Prostheses
Custom-Length Stents
Balloon Catheter
Stent Deployment
Thermo-Mechanically Controlled Implants
In Situ Stent Formation
Braided Prostheses
Nested Stent Structures
Interventional Devices
Length Control Methods
Prosthetic Segments

32 patents:

1. 11577055 - Adjustable-length drug delivery balloon (2023-02-14),
2. 11439524 - Apparatus and methods for deployment of multiple custom-length prostheses (III) (2022-09-13),
3. 10912665 - Balloon catheter for multiple adjustable stent deployment (2021-02-09),
4. 10894147 - Adjustable-length drug delivery balloon (2021-01-19),
5. 10219923 - Apparatus and methods for deployment of multiple custom-length prostheses (III) (2019-03-05),
6. 10112034 - Adjustable-length drug delivery balloon (2018-10-30),
7. 9980839 - Balloon catheter for multiple adjustable stent deployment (2018-05-29),
8. 9883957 - Apparatus and methods for deployment of linked prosthetic segments (2018-02-06),
9. 9700448 - Devices and methods for controlling expandable prostheses during deployment (2017-07-11),
10. 9566179 - Devices and methods for controlling and indicating the length of an interventional element (2017-02-14),
11. 9457133 - Thermo-mechanically controlled implants and methods of use (2016-10-04),
12. 9370642 - Adjustable-length drug delivery balloon (2016-06-21),
13. 9339404 - Devices and methods for controlling expandable prostheses during deployment (2016-05-17),
14. 9326876 - Apparatus and methods for delivery of multiple distributed stents (2016-05-03),
15. 9198784 - Apparatus and methods for deployment of multiple custom-length prostheses (2015-12-01),
Company Overview
J.W. Medical Systems Ltd. is a prominent player in the medical technology sector, specializing in the development and manufacturing of advanced medical devices and healthcare solutions. Based in Shandong, China, the company focuses on innovative technologies that enhance patient care and streamline medical processes. Its research spans various domains, including diagnostic equipment and therapeutic devices, aiming to improve healthcare outcomes through cutting-edge solutions tailored to meet the evolving needs of the medical community.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

32 Patents

#9 in Shandong

#974 in China

#20,712 in the World

Shandong, CN
Shandong, China

J.w. Medical Systems Ltd.

Forward Citations = 703

39 inventors:

goldMedal David W Snow (18 out of 60 patents)

silverMedal Bernard H Andreas (12 out of 122 patents)

bronzeMedal Stephen Kao (6 out of 16 patents)

4.  Patrick H Ruane (6 out of 18 patents)

5.  Craig Welk (6 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: J.w. Medical Systems Ltd.. Retrieved from https://idiyas.com/company/j-w-medical-systems

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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