James R Hellums

This inventor holds 20 USPTO granted patents, primarily in Analog Circuit Design. Top assignees: Texas Instruments Corporation, Other. Active years: 1989-2011.

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

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 = 95.0

Average Co-Inventor Count = 1.6

ph-index = 9

Forward Citations = 244(Granted Patents)

Location History:

Arlington, TX (US) (1989)
Dallas, TX (US) (1989 - 1998)
Dale, TX (US) (2005)
Plano, TX (US) (1994 - 2011)

Company Filing History:

19 out of 29,922

Texas Instruments Corporation

patents

1 out of 834,601

Other

patents

Years Active: 1989-2011

Loading Chart...

Areas of Expertise:

Current Reference

Class AB Amplifiers

Analog Circuitry

Differential Amplifier

Low-Pass Filter

High Speed ADC

CMOS Technology

Voltage Sensing

Glitch Suppression

Fuse Trim Circuit

Clock Signal Detection

Mid-Supply Voltage Generator

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7915882 - Start-up circuit and method for a self-biased zero-temperature-coefficient current reference (2011-03-29),

2. 7777569 - Anti-pop method and apparatus for class AB amplifiers (2010-08-17),

3. 6962369 - Spare wheel assembly (2005-11-08),

4. 6741129 - Differential amplifier slew rate boosting scheme (2004-05-25),

5. 6671663 - Time domain noise analysis (2003-12-30),

6. 6413824 - METHOD TO PARTIALLY OR COMPLETELY SUPPRESS POCKET IMPLANT IN SELECTIVE CIRCUIT ELEMENTS WITH NO ADDITIONAL MASK IN A CMOS FLOW WHERE SEPARATE MASKING STEPS ARE USED FOR THE DRAIN EXTENSION IMPLANTS FOR THE LOW VOLTAGE AND HIGH VOLTAGE TRANSISTORS (2002-07-02),

7. 6384664 - Differential voltage sense circuit to detect the state of a CMOS process compatible fuses at low power supply voltages (2002-05-07),

8. 6346851 - Low-pass filter with improved high frequency attenuation (2002-02-12),

9. 6316993 - Analog circuitry for start-up glitch suppression (2001-11-13),

10. 6208277 - High speed analog to digital conversion circuitry using quantum mechanical tunneling structures (2001-03-27),

11. 6157241 - Fuse trim circuit that does not prestress fuses (2000-12-05),

12. 5999043 - On-chip high resistance device for passive low pass filters with (1999-12-07),

13. 5808484 - Method and apparatus for detecting changes in a clock signal to static (1998-09-15),

14. 5589784 - Method and apparatus for detecting changes in a clock signal to static (1996-12-31),

15. 5525927 - MOS current mirror capable of operating in the triode region with (1996-06-11),

Title: The Innovative Journey of James R. Hellums

Introduction

James R. Hellums, a prolific inventor based in Plano, TX, has made significant contributions to the field of electronics through his inventive prowess. With a remarkable portfolio of 20 patents, Hellums has been at the forefront of developing innovative solutions that enhance the performance and efficiency of electronic circuits.

Latest Patents

Among his latest contributions are two notable patents. The first is a "Start-up circuit and method for a self-biased zero-temperature-coefficient current reference," which outlines a current reference circuit designed to improve stability and performance. This invention features a startup current defined by the base current into a bipolar transistor and cleverly utilizes a diode-connected MOS transistor to manage temperature compensation through a carefully designed current mirror.

The second patent, titled "Anti-pop method and apparatus for class AB amplifiers," introduces a method to prevent annoying pops in amplifier output. By actuating multiple current sources and applying bias voltages strategically, this invention aims to provide a smoother, more pleasant audio experience when amplifiers are powered on.

Career Highlights

James R. Hellums has represented leading organizations throughout his career, most notably at Texas Instruments Corporation. His work there has not only showcased his ability to innovate but has also significantly contributed to the company's success in the competitive electronics market.

Collaborations

Throughout his career, Hellums has collaborated with talented individuals such as Zhengwei Zhang and Henry T. Yung. These collaborative efforts have fostered a creative environment where innovative ideas can flourish and have led to advancements in technology that benefit consumers and industries alike.

Conclusion

As an inventor whose work continues to shape the landscape of electronic innovations, James R. Hellums exemplifies the spirit of creativity and progress in the technology sector. With a wealth of patents to his name and strong collaborations with fellow innovators, his legacy in the field of electronics is firmly established and continues to inspire future advancements.

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]