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For the Inventor, By the Inventor

Gwent, United Kingdom

Surface Technology Systems Plc


USPTO Granted Patents = 19

% Expired Patents = 5.3


Forward Citations = 622

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21 inventors (with patents filed for the assignee):

goldMedal Jyoti Kiron Bhardwaj (12 out of 12 patents)

silverMedal Leslie Michael Lea (10 out of 11 patents)

bronzeMedal Huma Ashraf (3 out of 13 patents)

4.  Janet Hopkins (3 out of 8 patents)

5.  Alan Michael Hynes (3 out of 3 patents)

6.  Edward Guibarra (2 out of 2 patents)

7.  Nicholas Shepherd (2 out of 2 patents)

8.  Andrew Duncan McQuarrie (2 out of 2 patents)

9.  David Mark Haynes (2 out of 2 patents)

10.  Martin Edward Ryan (2 out of 2 patents)

11.  Babak Khamsehpour (2 out of 2 patents)

12.  Tudor Thomas (1 out of 6 patents)

13.  Jyoti Kiron Bhardwaj (1 out of 35 patents)

14.  Lee Campbell Boman (1 out of 15 patents)

15.  Graham Hodgson (1 out of 9 patents)


19 patents:

1. 7491649 - Plasma processing apparatus (2009-02-17),
2. 7306745 - Method and apparatus for stabilizing a plasma (2007-12-11),
3. 7141504 - Method and apparatus for anisotropic etching (2006-11-28),
4. 6933242 - Plasma etching (2005-08-23),
5. 6929784 - Chlorotrifuorine gas generator system (2005-08-16),
6. 6926871 - Gas generation system (2005-08-09),
7. 6628500 - Method and apparatus for dechucking a substrate from an electrostatic chuck (2003-09-30),
8. 6602433 - Gas delivery system (2003-08-05),
9. 6602384 - Plasma processing apparatus (2003-08-05),
10. 6534922 - Plasma processing apparatus (2003-03-18),
11. 6458239 - Plasma processing apparatus (2002-10-01),
12. 6409876 - Apparatus for etching a workpiece (2002-06-25),
13. 6355181 - Method and apparatus for manufacturing a micromechanical device (2002-03-12),
14. 6261962 - Method of surface treatment of semiconductor substrates (2001-07-17),
15. 6259209 - Plasma processing apparatus with coils in dielectric windows (2001-07-10),
Company Overview
Surface Technology Systems Plc, based in Gwent, UK, specializes in advanced semiconductor manufacturing equipment. The company focuses on developing innovative solutions for the deposition and etching processes essential in the production of microelectronic devices. With a strong emphasis on research and development, Surface Technology Systems is dedicated to enhancing the efficiency and performance of semiconductor fabrication, catering to the evolving needs of the global electronics industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

19 Patents

#2 in Gwent

#928 in United Kingdom

#32,663 in the World

Gwent, GB
Gwent, United Kingdom

Surface Technology Systems Plc

Forward Citations = 622

21 inventors:

goldMedal Jyoti Kiron Bhardwaj (12 out of 12 patents)

silverMedal Leslie Michael Lea (10 out of 11 patents)

bronzeMedal Huma Ashraf (3 out of 13 patents)

4.  Janet Hopkins (3 out of 8 patents)

5.  Alan Michael Hynes (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Surface Technology Systems Plc. Retrieved from https://idiyas.com/company/surface-technology-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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