John Griffiths

This inventor holds 19 USPTO granted patents and 1 published patent application, plus 2 CIPO patents and 1 EPO patent, primarily in Ink Jet Printing. Top assignees: Photopharmica Limited, Pitney Bowes Inc., Akzo Nobel N.v.. Active years: 1988-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Griffiths. Retrieved from https://idiyas.com/inventor/john-griffiths

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 19 (Patent Applications = 1)

% Patents Active = 47.4

CIPO Patents = 2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 96(Granted Patents)

Location History:

Garforth Leeds, GB (1988 - 1990)
Garforth, GB (1993 - 2011)
Leeds, GB (1989 - 2012)

Company Filing History:

7 out of 8

Photopharmica Limited

Boehringer Mannheim Gmbh

patents

5. 2 out of 73

Ocg Microelectronic Materials, Inc.

patents

6. 1 out of 52,395

General Electric Company

Years Active: 1988-2012

Loading Chart...

Areas of Expertise:

Methylene Blue Derivatives

Photosensitisers

Waterfastness

Ink Jet Printing

Colorants

Liquid Crystalline

Dye Compositions

Optically Variable Inks

Thermochromic Dyes

Photoresists

Optical Recording Media

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8188074 - Biologically active methylene blue derivatives (2012-05-29),

2. 8026306 - Red-luminescent ink jet printing compositions and methods for improved waterfastness (2011-09-27),

3. 7915254 - Biologically active methylene blue derivatives (2011-03-29),

4. 7855197 - Biologically active methylene blue derivatives (2010-12-21),

5. 7732439 - Biologically active methylene blue derivatives (2010-06-08),

6. 7407948 - Photosensitisers and their uses (2008-08-05),

7. 7371744 - Biologically active methylene blue derivatives (2008-05-13),

8. 7276494 - Photosensitisers (2007-10-02),

9. 7153350 - Water soluble colorants for ink jet printing (2006-12-26),

10. 6793723 - Homogeneous photosensitive optically variable ink compositions for ink jet printing (2004-09-21),

11. 6458966 - Dye intermediate and method (2002-10-01),

12. 5952073 - Dye composition for optical recording media having selected anions (1999-09-14),

13. 5525265 - Liquid crystalline and infrared-sensitive liquid-crystalline polyesters (1996-06-11),

14. 5426143 - Thermochromic infrared dyes (1995-06-20),

15. 5250392 - Process of developing a negative-working radiation-sensitive photoresist (1993-10-05),

Title: John Griffiths - Innovative Inventor from Leeds

Introduction: John Griffiths is a renowned inventor hailing from Leeds, United Kingdom, known for his groundbreaking contributions to various industries.

Latest Patents: John Griffiths holds several patents in the fields of technology, healthcare, and sustainable energy, showcasing his diverse range of expertise and innovative thinking.

Career Highlights: With a career spanning over two decades, John Griffiths has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized the way we live and work.

Collaborations: Throughout his career, John Griffiths has collaborated with top universities, multinational companies, and talented individuals to bring his ideas to life and make a lasting impact on society.

Conclusion: John Griffiths continues to inspire the next generation of inventors with his passion for innovation and his relentless pursuit of excellence in creating a better future for all.

Profile summary based on public USPTO records.