Toronto, Canada

Michael A Hopper

This inventor holds 61 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent, primarily in Toner Processes (CPC class 4301). Top assignee: Xerox Corporation. Active years: 1994-2007.


% Patents Active = 70.5



Average Co-Inventor Count = 3.8

ph-index = 30

Forward Citations = 3,870(Granted Patents)

Forward Citations (Not Self Cited) = 3,689(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ontario, CA (2002)
  • Toronto, CA (1994 - 2007)

Company Filing History:


Years Active: 1994-2007

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Areas of Expertise:
Toner Processes
Document Security
Aggregation Techniques
Emulsion Aggregation
Coagulant Processes
Magnetite Toner
Ink Jet Inks
Submicron Particles
Wax Containing Colorants
Hydrolyzable Surfactant
Toner Aggregation
Toner Coagulant
61 patents (USPTO):Explore Patents

Title: Innovations by Michael A. Hopper in Imaging Technologies

Introduction

Michael A. Hopper is a prominent inventor based in Toronto, Canada, known for his significant contributions to the field of imaging technologies. With an impressive portfolio of 61 patents, he has made substantial advancements that improve the quality and security of printed materials.

Latest Patents

Among his latest innovations is the "Method of applying spot varnish to xerographic image." This method enhances the aesthetic appeal of xerographic images by allowing different gloss levels on various portions of the image. The process involves forming a toner image on a substrate and applying a differential gloss finish coating material that alters the gloss appearance of specific areas. This is achieved using emulsion aggregation toners that maintain transparency and allow for tunable gloss through controlled crosslinking.

Additionally, he holds a patent for "Document security processes," which outlines a method for generating a glossy security mark on substrates. This innovation utilizes glossy ink containing a specialized colorant to deter forgery and enhance the authenticity of documents.

Career Highlights

Michael A. Hopper has dedicated his career to Xerox Corporation, a leading firm in document technology and services. His work has been pivotal in developing advanced printing techniques that are both innovative and practical. His extensive patent portfolio reflects his deep understanding of the industry's needs and challenges.

Collaborations

Throughout his career, Hopper has collaborated with notable colleagues such as Raj D. Patel and Grazyna E. Kmiecik-Lawrynowicz. These partnerships have further enriched his work, enabling the development of cutting-edge technologies by leveraging diverse expertise and perspectives.

Conclusion

Michael A. Hopper continues to be a key figure in the realm of innovation within imaging technologies. His extensive patent work and collaborations exemplify the importance of creativity and technical knowledge in advancing the field. As he pushes the boundaries of what is possible in document imaging, his contributions will undoubtedly have lasting impacts on the industry and the ways we interact with printed materials.

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