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For the Inventor, By the Inventor

San Jose, CA, United States of America

James R Butler

This inventor holds 12 USPTO granted patents. Top assignees: Analog Devices,inc., Fairchild Camera and Instrument Corp., Precision Monolithics, Inc.. Active years: 1980-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James R Butler. Retrieved from https://idiyas.com/inventor/james-r-butler-mlh9gctg

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 7

Forward Citations = 91(Granted Patents)


Company Filing History:

goldMedal8 out of 3,710 
 
Analog Devices,inc.
 patents
silverMedal2 out of 335 
 
Fairchild Camera and Instrument Corp.
 patents
bronzeMedal2 out of 37 
 
Precision Monolithics, Inc.
 patents

Years Active: 1980-1996

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12 patents (USPTO):Explore Patents
1. 5523718 - Balanced double-folded cascode operational amplifier (1996-06-04),
2. 5521553 - Method for controlling an output stage of a bipolar micro-power (1996-05-28),
3. 5521552 - Bipolar micro-power rail-to-rail amplifier (1996-05-28),
4. 5420540 - Double-folded cascode operational amplifier (1995-05-30),
5. 5323121 - Folded cascode operational amplifier with gain enhancing base current (1994-06-21),
6. 5101126 - Wide dynamic range transconductance stage (1992-03-31),
7. 5091701 - High efficiency cross-coupled folded cascode circuit (1992-02-25),
8. 5087889 - Area efficient cascode driver circuit (1992-02-11),
9. 4687984 - JFET active load input stage (1987-08-18),
10. 4538115 - JFET Differential amplifier stage with method for controlling input (1985-08-27),
11. 4316102 - Input stage using junction field effect transistors for biasing (1982-02-16),
12. 4194136 - Input stage using junction field effect transistors for biasing (1980-03-18),

Title: The Innovative Contributions of James R. Butler

Introduction

James R. Butler is a prominent inventor based in San Jose, California, known for his significant contributions to the field of operational amplifiers. With a total of 12 patents to his name, Butler has made remarkable advancements in electronic circuit design, particularly in amplifiers that enhance performance and efficiency.

Latest Patents

Among his latest patents is the "Balanced Double-Folded Cascode Operational Amplifier." This innovative design allows for operation with rail-to-rail common mode inputs and features two differential input transistor pairs of opposite conductivity. The amplifier's gain stage includes interconnected pairs of folded cascode gain transistors, ensuring that changes in the differential input signal produce corresponding changes in the output. Another notable patent is the "Bipolar Micro-Power Rail-to-Rail Amplifier," which boasts a low complexity output stage that provides a high ratio of load current to no load idle current. This design utilizes a regenerative feedback loop to optimize performance while maintaining low idle current.

Career Highlights

Throughout his career, James R. Butler has worked with esteemed companies such as Analog Devices, Inc. and Fairchild Camera and Instrument Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the electronics industry.

Collaborations

Butler has collaborated with various professionals in his field, including Douglas S. Smith, enhancing

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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