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For the Inventor, By the Inventor

Thousand Oaks, CA, United States of America

Edgar D Sheh

This inventor holds 2 USPTO granted patents. Top assignee: Data Products Corporation. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edgar D Sheh. Retrieved from https://idiyas.com/inventor/edgar-d-sheh-2ncrjbt2

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

USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:

goldMedal2 out of 146 
 
Data Products Corporation
 patents

Years Active: 1992

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2 patents (USPTO):Explore Patents
1. 5142296 - Ink jet nozzle crosstalk suppression (1992-08-25),
2. 5130720 - System for driving ink jet transducers and method of operation (1992-07-14),

Title: Edgar D. Sheh: Innovator in Ink Jet Technology

Introduction

Edgar D. Sheh is a notable inventor based in Thousand Oaks, CA (US). He has made significant contributions to the field of ink jet technology, holding a total of 2 patents. His work focuses on enhancing the performance and efficiency of ink jet printers.

Latest Patents

One of his latest patents is titled "Ink Jet Nozzle Crosstalk Suppression." This innovation addresses the issue of crosstalk in ink jet printers with multiple controllable ink jet channels. By activating odd-numbered channels in alternation with even-numbered channels and offsetting the orifices, he effectively reduces crosstalk. Additionally, he varies the voltage supplied to the channel transducers based on the number of channels activated simultaneously, ensuring consistent excitation voltage across each transducer.

Another significant patent is "System for Driving Ink Jet Transducers and Method of Operation." This patent describes a drive system that controls the activation periods of ink jet transducers. A controller determines when to activate selected transducers, and during these periods, a voltage source is engaged. The drive circuit connects the transducers to the voltage source, which can be equipped with a waveshape circuit to create a desired excitation waveshape.

Career Highlights

Edgar D. Sheh is currently employed at Data Products Corporation, where he continues to innovate in the field of ink jet technology. His work has had a lasting impact on the efficiency and functionality of ink jet printing systems.

Collaborations

Throughout his career, Edgar has collaborated with talented individuals such as Juan E. Lopez and Joe Lahut. These collaborations have contributed to the advancement of technology in their field.

Conclusion

Edgar D. Sheh is a prominent inventor whose work in ink jet technology has led to significant advancements. His patents reflect his commitment to improving the performance of ink jet printers, making him a valuable contributor to the industry.

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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