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For the Inventor, By the Inventor

Oldham, United Kingdom

Zetex Plc


USPTO Granted Patents = 17

% Expired Patents = 35.3

Forward Citations = 197

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14 inventors (with patents filed for the assignee):

goldMedal Adrian David Finney (7 out of 8 patents)

silverMedal David Neil Casey (3 out of 3 patents)

bronzeMedal Paul Antony Jerred (2 out of 2 patents)

4.  Craig Maurice Taylor (1 out of 2 patents)

5.  Alan James Dodd (1 out of 1 patent)

6.  Joseph Andrew Jenkins (1 out of 1 patent)

7.  Anthony Philip Sullivan (1 out of 1 patent)

8.  Brian E Attwood (1 out of 2 patents)

9.  Peter Blair (1 out of 1 patent)

10.  Paul Gerrard (1 out of 1 patent)

11.  Andrew Wood (1 out of 1 patent)

12.  David Mottram (1 out of 1 patent)

13.  Paul Anthony Jerred (1 out of 1 patent)

14.  George Goh (1 out of 1 patent)


17 patents:

1. 7923751 - Bipolar transistor with a low saturation voltage (2011-04-12),
2. 7301745 - Temperature dependent switching circuit (2007-11-27),
3. 7279880 - Temperature independent low voltage reference circuit (2007-10-09),
4. 7245174 - Analogue switch (2007-07-17),
5. 7102416 - High side switching circuit (2006-09-05),
6. 6940145 - Termination structure for a semiconductor device (2005-09-06),
7. 6802719 - Implantation method (2004-10-12),
8. 6778366 - Current limiting protection circuit (2004-08-17),
9. 6703664 - Power FET device (2004-03-09),
10. 6649539 - Semiconductor contact fabrication method (2003-11-18),
11. 6509625 - Guard structure for bipolar semiconductor device (2003-01-21),
12. 6509607 - Semiconductor device with reduced source diffusion distance and method of making same (2003-01-21),
13. 6376314 - Method of semiconductor device fabrication (2002-04-23),
14. 6340918 - Negative feedback amplifier circuit (2002-01-22),
15. 6329762 - Discharge lamp driver circuit (2001-12-11),
Company Overview
Zetex Plc, headquartered in Oldham, UK, is a prominent player in the semiconductor industry, specializing in the design and manufacture of high-performance electronic components. The company focuses on developing innovative solutions for various applications, including power management, signal processing, and RF communication. With a commitment to advancing technology, Zetex plays a crucial role in supporting sectors such as consumer electronics, automotive, and industrial automation, contributing to the evolution of modern electronic systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

17 Patents

#2 in Oldham

#1,059 in United Kingdom

#35,918 in the World

Oldham, GB
Oldham, United Kingdom

Zetex Plc

Forward Citations = 197

14 inventors:

goldMedal Adrian David Finney (7 out of 8 patents)

silverMedal David Neil Casey (3 out of 3 patents)

bronzeMedal Paul Antony Jerred (2 out of 2 patents)

4.  Craig Maurice Taylor (1 out of 2 patents)

5.  Alan James Dodd (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zetex Plc. Retrieved from https://idiyas.com/company/zetex

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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