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For the Inventor, By the Inventor

London, United Kingdom

Melles Griot Limited


USPTO Granted Patents = 19

% Expired Patents = 15.8


Trademarks = 1

Forward Citations = 193

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18 inventors (with patents filed for the assignee):

goldMedal Stanley W Stephenson (5 out of 169 patents)

silverMedal David E Hargis (4 out of 33 patents)

bronzeMedal Philip Andrew Davies (4 out of 5 patents)

4.  Brian John Watson (2 out of 12 patents)

5.  Malcolm Sargeant (2 out of 2 patents)

6.  Anil M Patel (2 out of 2 patents)

7.  Tony Wills (2 out of 3 patents)

8.  Sven E Nelte (2 out of 6 patents)

9.  Bernard Patrick Masterson (2 out of 20 patents)

10.  John D Galpin (2 out of 2 patents)

11.  Valerie J Galpin (2 out of 2 patents)

12.  Gerald David Bacher (1 out of 23 patents)

13.  Frank DeWitt, Iv (1 out of 7 patents)

14.  Henrik Hofvander (1 out of 9 patents)

15.  Vladislav Kasha (1 out of 3 patents)


19 patents:

1. 9851553 - Shutter with linear actuator (2017-12-26),
2. 9281733 - Shutter with bistable actuator having power-free magnetic blade return (2016-03-08),
3. 9274329 - Shutter with blade damping (2016-03-01),
4. 8956059 - Shutter with power-free magnetic detent (2015-02-17),
5. 8851768 - Shutter with power-free blade return (2014-10-07),
6. 7230778 - Sliding track for optical apparatus (2007-06-12),
7. 7197059 - Short wavelength diode-pumped solid-state laser (2007-03-27),
8. 7065109 - Laser with narrow bandwidth antireflection filter for frequency selection (2006-06-20),
9. 6925234 - Flexure apparatus and method for achieving efficient optical coupling (2005-08-02),
10. 6739153 - Optical workstation (2004-05-25),
11. 6724787 - Low noise solid state laser (2004-04-20),
12. 6555983 - Positioning apparatus and method (2003-04-29),
13. 6389043 - Efficient frequency-converted laser with single beam output (2002-05-14),
14. D455300 - Optical workstation (2002-04-10),
15. 6193226 - Positioning mechanism (2001-02-27),
Company Overview
Melles Griot Limited is a prominent player in the field of photonics, specializing in the development and manufacturing of optical components and systems. The company focuses on providing high-quality laser solutions, optical instruments, and precision optics for a variety of applications, including scientific research, industrial processes, and medical technologies. Based in London, Melles Griot serves a global market, contributing to advancements in areas such as imaging, metrology, and laser-based manufacturing.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#198 in London

#928 in United Kingdom

#32,693 in the World

London, GB
London, United Kingdom

Melles Griot Limited

Forward Citations = 193

18 inventors:

goldMedal Stanley W Stephenson (5 out of 169 patents)

silverMedal David E Hargis (4 out of 33 patents)

bronzeMedal Philip Andrew Davies (4 out of 5 patents)

4.  Brian John Watson (2 out of 12 patents)

5.  Malcolm Sargeant (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Melles Griot Limited. Retrieved from https://idiyas.com/company/melles-griot

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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