Tustin, CA, United States of America

J Lawrence Semar

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: J Lawrence Semar. Retrieved from https://idiyas.com/inventor/j-lawrence-semar

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 = 2.0

ph-index = 1

Forward Citations = 96(Granted Patents)


Company Filing History:

goldMedal1 out of 834,570 
Other
 patents

Years Active: 1980

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1 patent (USPTO):Explore Patents

Title: J Lawrence Semar: Innovator of the Wrist Borne Pulse Meter

Introduction

J Lawrence Semar is a notable inventor based in Tustin, California. He is recognized for his innovative contributions to wearable technology, particularly in the field of health monitoring devices. His work has paved the way for advancements in how individuals can track their health metrics conveniently.

Latest Patents

One of Semar's significant inventions is the wrist borne pulse meter/chronometer. This device combines a watch, an elapsed time counter, and a pulse rate meter into a single, portable unit that can be worn like an ordinary wristwatch. The timer and pulse rate meter utilize precise timing elements, such as a crystal oscillator, which are characteristic of digital watches. This allows for the measurement of a person's pulse on a pulse-by-pulse basis, with both instantaneous and average pulse values displayed simultaneously. This feature enables users to compare their pulse rates and identify any irregularities effectively. A novel pulse detector assembly is ingeniously located on the inner face of the watch assembly, enhancing its functionality.

Career Highlights

Throughout his career, J Lawrence Semar has demonstrated a commitment to innovation and improving health monitoring technologies. His work has not only contributed to the field of wearable devices but has also provided users with valuable insights into their health.

Collaborations

Semar has collaborated with various professionals in the field, including his coworker Frank B Cramer. Their combined expertise has likely contributed to the development and refinement of health monitoring technologies.

Conclusion

J Lawrence Semar's contributions to wearable health technology, particularly through his wrist borne pulse meter/chronometer, highlight his innovative spirit and dedication to improving personal health monitoring. His work continues to influence the development of health-related devices in the market today.

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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