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For the Inventor, By the Inventor

Chicago, IL, United States of America

Wing Sum Vincent Kwan

This inventor holds 22 USPTO granted patents and 2 published patent applications and 7 EPO patents, primarily in Ink Formulations. Top assignee: Sanford Gmbh. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wing Sum Vincent Kwan. Retrieved from https://idiyas.com/inventor/wing-sum-vincent-kwan

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

Calculating rank
USPTO Granted Patents = 22 

% Patents Active = 59.1

 

Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 86(Granted Patents)


Location History:

  • Alpharetta, GA (US) (2023)
  • Chicago, IL (US) (2005 - 2024)

Company Filing History:

goldMedal22 out of 389 
 
Sanford Gmbh
 patents

Years Active: 2005-2025

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Areas of Expertise:
Dry Erase Inks
Opaque Ink Formulations
Metallic Ink Composition
Transitorially Erasable Ink
Irreversible Thermochromic Inks
Highlighting Marking Compositions
Capillary-Action Markers
Water-Based Inks
Ink Delivery System
Color Changing Correction Fluid
Eradicable Ink Kits
22 patents (USPTO):Explore Patents
1. 12338352 - Dry erase inks, and associated methods and writing instruments (2025-06-24),
2. 12209192 - Opaque ink formulations and associated writing instruments (2025-01-28),
3. 12064989 - Writing instruments and associated methods (2024-08-20),
4. 11753558 - Dry erase inks and associated writing instruments (2023-09-12),
5. RE49400 - Metallic ink composition and writing instrument containing same (2023-01-30),
6. 11110738 - Writing instruments and associated methods (2021-09-07),
7. 10245877 - Ink delivery system (2019-04-02),
8. 9809722 - Transitorially erasable ink compositions and writing instruments containing same (2017-11-07),
9. 9163153 - Metallic ink composition and writing instrument containing same (2015-10-20),
10. 8889590 - Irreversible thermochromic ink compositions (2014-11-18),
11. 8865621 - Irreversible color changing ink compositions (2014-10-21),
12. 8846797 - Metallic ink composition and writing instrument containing same (2014-09-30),
13. 8709973 - Irreversible thermochromic ink compositions (2014-04-29),
14. 8652996 - Irreversible thermochromic pigment capsules (2014-02-18),
15. 7981210 - Capillary-action, glitter markers and ink compositions for same (2011-07-19),

Title: The Innovative Journey of Wing Sum Vincent Kwan

Introduction: Wing Sum Vincent Kwan is a visionary inventor based in Chicago, IL, known for his groundbreaking contributions to various technological fields.

Latest Patents: Wing Sum Vincent Kwan holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his diverse range of expertise.

Career Highlights: With a background in engineering and a passion for problem-solving, Kwan has led numerous successful projects that have revolutionized industries and improved people's lives.

Collaborations: Throughout his career, Wing Sum Vincent Kwan has collaborated with top research institutions, leading companies, and talented individuals to bring his innovative ideas to fruition.

Conclusion: Wing Sum Vincent Kwan's relentless pursuit of innovation and his commitment to pushing the boundaries of technology make him a true pioneer in the world of inventions.

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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