Sunnyvale, CA, United States of America

David H Yen

This inventor holds 4 USPTO granted patents. Top assignee: Filac Corporation. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David H Yen. Retrieved from https://idiyas.com/inventor/david-h-yen-5j705qo8

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 = 1.5

ph-index = 4

Forward Citations = 76(Granted Patents)


Location History:

  • Sunnyvale, CA (US) (1976 - 1977)
  • Saratoga, CA (US) (1980)

Company Filing History:


Years Active: 1976-1980

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4 patents (USPTO):Explore Patents

Title: The Innovations of David H Yen

Introduction

David H Yen is a notable inventor based in Sunnyvale, CA. He has made significant contributions to the field of technology, particularly in the development of electronic thermometers. With a total of 4 patents to his name, Yen's work has had a meaningful impact on medical devices.

Latest Patents

One of his latest patents is for a Sphygmometer, which is an electronic thermometer designed to determine temperature while compensating for localized cooling. This innovative method involves combining the output of a sensing element with a signal that represents the initial temperature of the element. This compensation allows for an advance indication of the equilibrium temperature of the body, enhancing the accuracy of temperature readings.

Career Highlights

David H Yen is currently employed at Filac Corporation, where he continues to push the boundaries of technology in medical devices. His work at Filac has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of his notable coworkers include John J Lee and Tim R Connelly, who have also contributed to advancements in technology and innovation.

Conclusion

David H Yen's contributions to the field of electronic thermometers exemplify the spirit of innovation. His patents reflect a commitment to improving medical technology and enhancing patient care.

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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