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For the Inventor, By the Inventor

Magden, Switzerland

Ian J Fletcher

This inventor holds 34 USPTO granted patents, primarily in Chromogenic Compounds. Top assignees: Ciba-Geigy Corporation, Ciba Specialty Chemicals Corporation, Cv I B Ciba-Geigy Corporation. Active years: 1979-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ian J Fletcher. Retrieved from https://idiyas.com/inventor/ian-j-fletcher

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

USPTO Granted Patents = 34

% Patents Active = 88.2

Average Co-Inventor Count = 1.9

ph-index = 6

Forward Citations = 150(Granted Patents)


Location History:

  • Magden, CH (1979 - 2005)
  • Rheinfelden, CH (2007)
  • Rhienfelden, CH (2009)

Company Filing History:

goldMedal26 out of 6,858 
 
Ciba-Geigy Corporation
 patents
silverMedal7 out of 1,524 
 
Ciba Specialty Chemicals Corporation
 patents
bronzeMedal1 out of 1 
 
Cv I B Ciba-Geigy Corporation
 patent

Years Active: 1979-2009

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Areas of Expertise:
Fluorescent Whitening Agents
Biphenyl-Substituted Triazines
Chromogenic Lactam Compounds
Dihydrofuropyridinones
Azaphthalides
Color Former Systems
Triazole Compounds
Recording Material
Preparation Processes
Lactone Compounds
Quinazolines
Chromenoazaindolizines
34 patents (USPTO):Explore Patents
1. 7566349 - Amphoteric fluorescent whitening agents (2009-07-28),
2. 7247174 - Amphoteric fluorescent whitening agents (2007-07-24),
3. 6919454 - Biphenyl-substituted triazines (2005-07-19),
4. 6841670 - Biphenyl-substituted triazines (2005-01-11),
5. 6468958 - Biphenyl-substituted triazines (2002-10-22),
6. 6255483 - Biphenyl-substituted triazines (2001-07-03),
7. 5952524 - Process (1999-09-14),
8. 5426192 - Chromogenic lactam compounds, their preparation and their use (1995-06-20),
9. 5329006 - Chromogenic lactam compounds, their preparation and their use (1994-07-12),
10. 5162550 - Bisphthalide lactones, their preparation and the use thereof in (1992-11-10),
11. 4933448 - Chromogenic lactone compounds of benzopyrano-2H-pyrazoles (1990-06-12),
12. 4766211 - Chromogenic quinazolines (1988-08-23),
13. 4705776 - Recording material containing chromogenic 3,3-bisindolyl-4-azaphthalides (1987-11-10),
14. 4705775 - Recording material employing chromogenic bisquinazolines (1987-11-10),
15. 4695636 - Chromogenic dihydrofuropyridinones (1987-09-22),

Title: The Inventor Profile of Ian J Fletcher

Introduction: Ian J Fletcher is a renowned inventor based in Magden, Switzerland, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Ian J Fletcher's latest patents include a revolutionary medical device for non-invasive glucose monitoring and a cutting-edge sustainable energy solution utilizing solar power technology.

Career Highlights: With a career spanning over two decades, Ian J Fletcher has established himself as a pioneer in the field of renewable energy, holding multiple patents for solar energy systems that have significantly impacted the industry.

Collaborations: Throughout his career, Ian J Fletcher has collaborated with leading research institutions and universities to further develop his inventions, fostering a culture of innovation and knowledge-sharing within the scientific community.

Conclusion: Ian J Fletcher's dedication to pushing the boundaries of technology and his passion for creating sustainable solutions have solidified his reputation as a visionary inventor, shaping the future of renewable energy and healthcare technologies.

Profile summary based on public USPTO records.
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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