San Jose, CA, United States of America

David K Matsumoto

This inventor holds 7 USPTO granted patents and 2 published patent applications. Top assignees: Bionex Solutions, Inc., Agilent Technologies, Inc., Other. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David K Matsumoto. Retrieved from https://idiyas.com/inventor/david-k-matsumoto

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

USPTO Granted Patents = 7 

% Patents Active = 85.7

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 14(Granted Patents)


Location History:

  • Oakland, CA (US) (2013)
  • San Jose, CA (US) (2009 - 2019)

Company Filing History:


Years Active: 2009-2025

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7 patents (USPTO):Explore Patents

Title: David K Matsumoto: Innovator in Weighing Technology and Media Access Control

Introduction

David K Matsumoto is a notable inventor based in San Jose, CA (US). He has made significant contributions to the fields of weighing technology and media content access control. With a total of 7 patents to his name, Matsumoto continues to push the boundaries of innovation.

Latest Patents

Matsumoto's latest patents include an "Automated in-place weighing of vials in tube racks." This apparatus is designed to weigh containers efficiently. It features a stage that supports a receptacle for securing one or more containers. A singulation post is positioned below the stage, allowing for the displacement of a single container in an upward direction as the stage moves downward. The singulation post is coupled to a load cell that measures the weight of the displaced container. Additionally, the apparatus includes a controller that actuates the stage and records the weight measured by the load cell. Another notable patent is the "Content suggestion mechanism," which facilitates control of media content access. This method involves acquiring relationship information from external sources and generating trust relationship information. It authorizes access to media content based on approval ratings from individuals within the trust relationship.

Career Highlights

Throughout his career, Matsumoto has worked with several prominent companies, including Bionex Solutions, Inc. and Agilent Technologies, Inc. His experience in these organizations has contributed to his expertise in developing innovative solutions.

Collaborations

Matsumoto has collaborated with notable individuals such as Eric J Rollins and Russell Berman. These partnerships have likely enhanced his work and contributed to his success as an inventor.

Conclusion

David K Matsumoto is a distinguished inventor whose work in weighing technology and media access control has made a significant impact. His innovative patents and collaborations reflect his commitment to advancing technology.

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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