Santa Clara, CA, United States of America

Mark Melvin Butterworth

USPTO Granted Patents = 64 

 

Average Co-Inventor Count = 1.5

ph-index = 14

Forward Citations = 974(Granted Patents)

Forward Citations (Not Self Cited) = 966(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Muscatine, IA (US) (2013)
  • Eindhoven, NL (2018 - 2019)
  • Santa Clara, CA (US) (1991 - 2022)
  • San Jose, CA (US) (2016 - 2022)

Company Filing History:

goldMedal17 out of 900 
 
Lumileds LLC
 patents
silverMedal15 out of 21,361 
 
Koninklijke Philips Corporation N.v.
 patents
bronzeMedal8 out of 9,638 
 
Hewlett-packard Company
 patents
45 out of 497 
 
Avago Technologies Ecbu IP (singapore) Pte. Ltd.
 patents
54 out of 580 
 
Aptina Imaging Corporation
 patents
63 out of 27,394 
 
Hewlett-packard Development Company, L.p.
 patents
73 out of 50 
 
Avago Technologies Ecbu IP Pte. Ltd.
 patents
82 out of 222 
 
Philips Lumileds Lighting Company LLC
 patents
92 out of 37,905 
 
Micron Technology Incorporated
 patents
101 out of 258 
 
Avago Technologies Fiber IP (singapore) Pte. Ltd
 patents
111 out of 122 
 
Marvell International Technology Ltd
 patents
121 out of 1,813 
 
Avago Technologies General IP (singapore) Pte. Ltd.
 patents
131 out of 1,405 
 
Pixart Imaging Incorporated
 patents
141 out of 41 
 
Flextronics International Usa, Inc.
 patents
152 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2022

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64 patents (USPTO):

Title: The Innovative Contributions of Mark Melvin Butterworth

Introduction

Mark Melvin Butterworth, an accomplished inventor based in Santa Clara, California, holds an impressive portfolio of 64 patents. His expertise in LED technology and flash module design has significantly influenced the field of lighting solutions for cameras.

Latest Patents

Among Butterworth's notable recent inventions is a flash module containing an array of reflector cups for phosphor-converted LEDs. This innovative design features a rectangular array of compact LEDs mounted on a single lead frame, which connects the LEDs in series. The smaller size of these LEDs allows for a thin flash module that is compatible with modern cameras. Each cup in the reflector array has a square aperture, generating a square sub-beam, while a phosphor layer within the cups converts the light to white. The design aspect ratio is meticulously aligned to match the camera's field of view. Additionally, his deep molded reflector cup patent creates a narrow beam compactly without the need for a lens, showcasing the sophisticated melding of form and function in LED technology.

Career Highlights

Butterworth's career has been marked by his tenure at leading companies such as Lumileds LLC and Koninklijke Philips Corporation N.V. His innovations in LED technology have paved the way for enhanced lighting solutions, demonstrating practicality and efficiency in his designs.

Collaborations

Throughout his career, Butterworth has collaborated with notable professionals, including Oleg Borisovich Shchekin and Rene P Helbing. These partnerships have contributed to a rich exchange of ideas and advancement in the field of lighting technology.

Conclusion

Mark Melvin Butterworth continues to be a prominent figure in the realm of LED innovations. His extensive patent portfolio and significant contributions emphasize his role as a leading inventor, shaping the future of camera lighting solutions.

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