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For the Inventor, By the Inventor

San Francisco, CA, United States of America

Roger W Van Brunt

This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Data Bus Architecture. Top assignees: Apple Inc., Intel Corporation. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Roger W Van Brunt. Retrieved from https://idiyas.com/inventor/roger-w-van-brunt

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

Calculating rank
USPTO Granted Patents = 20

% Patents Active = 100.0


Average Co-Inventor Count = 2.0

ph-index = 14

Forward Citations = 732(Granted Patents)


Company Filing History:

goldMedal19 out of 43,760 
 
Apple Inc.
 patents
silverMedal1 out of 56,440 
 
Intel Corporation
 patents

Years Active: 1989-1998

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Areas of Expertise:
High-Speed Bus
Differential Signals
CMOS Driver
Data Separator
Clock Skew Compensation
Bus Transceiver
Current Source Driver
Voltage Compensation
Twisted-Pair Driver
Arbitration Configuration
Single-Ended Converter
Phase Comparator
20 patents (USPTO):Explore Patents
1. 5778204 - High-speed dominant mode bus for differential signals (1998-07-07),
2. 5694060 - CMOS differential twisted-pair driver (1997-12-02),
3. 5619541 - Delay line separator for data bus (1997-04-08),
4. 5606268 - Differential to single-ended CMOS converter (1997-02-25),
5. 5592510 - Common mode early voltage compensation subcircuit for current driver (1997-01-07),
6. 5579486 - Communication node with a first bus configuration for arbitration and a (1996-11-26),
7. 5559967 - Method and apparatus for a dynamic, multi-speed bus architecture in (1996-09-24),
8. 5504458 - CMOS class AB amplifier for driving capacitive and resistive loads (1996-04-02),
9. 5493657 - High speed dominant mode bus for differential signals (1996-02-20),
10. 5485488 - Circuit and method for twisted pair current source driver (1996-01-16),
11. 5485458 - Bus interconnect circuit including port control logic for a multiple (1996-01-16),
12. 5467464 - Adaptive clock skew and duty cycle compensation for a serial data bus (1995-11-14),
13. 5424657 - Method and apparatus for implementing a common mode level shift in a bus (1995-06-13),
14. 5418478 - CMOS differential twisted-pair driver (1995-05-23),
15. 5412698 - Adaptive data separator (1995-05-02),

Title: The Innovative Mind of Roger W Van Brunt

Introduction:

Roger W Van Brunt, a prolific inventor based in San Francisco, CA, has made significant contributions to the fields of high-speed bus circuitry and CMOS technology. With an impressive portfolio of 20 patents to his name, his work has advanced communication networks and signal transmission technology.

Latest Patents:

1. High-speed dominant mode bus for differential signals: Roger's innovative bus circuit enables the implementation of a high-speed dominant logic bus for differential signals in communication networks. The circuit, featuring bus drivers, terminator circuits, and biasing circuits, ensures efficient signal transmission and operation at low voltages.

2. CMOS differential twisted-pair driver: Roger's CMOS differential twisted-pair driver harnesses CMOS switches and current sources to optimize signal transmission. The bi-directional transmission facility, double termination, and signal control mechanisms enhance signal integrity and reduce power consumption.

Career Highlights:

Roger Van Brunt has demonstrated his expertise while working at renowned companies such as Apple Inc. and Intel Corporation. His tenure at these tech giants has provided him with invaluable experience and resources to further his inventive pursuits.

Collaborations:

Throughout his career, Roger has collaborated with notable individuals such as Florin Alexandru Oprescu and Andrew M Volk. These collaborative efforts have resulted in the development of cutting-edge technologies and innovative solutions in the realm of signal processing and transmission.

Conclusion:

In conclusion, Roger W Van Brunt stands as a shining example of innovation and ingenuity in the world of technology. His groundbreaking patents and collaborations have significantly impacted the field of communication networks and signal processing, cementing his legacy as a pioneering inventor in 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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