San Diego, CA, United States of America

John R Harper

This inventor holds 3 USPTO granted patents. Top assignee: La Jolla Cancer Research Foundation. Active years: 1996-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John R Harper. Retrieved from https://idiyas.com/inventor/john-r-harper-pe9xgdmp

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 12(Granted Patents)


Location History:

  • Carlsbad, CA (US) (1996)
  • San Diego, CA (US) (1996 - 1998)

Company Filing History:


Years Active: 1996-1998

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3 patents (USPTO):Explore Patents

Title: Innovations by John R Harper

Introduction

John R Harper is a notable inventor based in San Diego, CA. He has made significant contributions to the field of biochemistry, particularly in the purification of human recombinant decorin and the detection of guanidinium ions. With a total of 3 patents, Harper's work has implications for both medical research and analytical chemistry.

Latest Patents

Harper's latest patents include innovative processes for the purification of human recombinant decorin. This process involves a combination of three stages, utilizing strong anionic exchange resins and hydrophobic interactive chromatographic resins. The invention aims to provide a more convenient and reproducible method for purifying decorin, which is essential for various therapeutic applications. Additionally, he has developed a process for detecting the presence of guanidinium ions in sample solutions. This detection method employs a cation exchange resin and a conductivity detector, enhancing the accuracy of ion detection in biochemical analyses.

Career Highlights

John R Harper is affiliated with the La Jolla Cancer Research Foundation, where he applies his expertise in biochemistry to advance cancer research. His work has been instrumental in developing methods that can potentially improve treatment outcomes for patients. Harper's innovative approaches have garnered attention in the scientific community, contributing to the foundation's mission of cancer research and treatment.

Collaborations

Some of Harper's notable coworkers include William S Craig and Paul J Kostel. Their collaborative efforts have further enriched the research environment at the La Jolla Cancer Research Foundation, fostering innovation and discovery in the field.

Conclusion

John R Harper's contributions to the field of biochemistry through his patents and research at the La Jolla Cancer Research Foundation highlight his role as a significant inventor. His innovative processes for purifying human recombinant decorin and detecting guanidinium ions demonstrate the impact of his work on scientific advancements.

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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