Graham S Tubbs

This inventor holds 17 USPTO granted patents, primarily in Integrated Circuit Design. Top assignee: Texas Instruments Corporation. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Graham S Tubbs. Retrieved from https://idiyas.com/inventor/graham-s-tubbs

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

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 10

Forward Citations = 568(Granted Patents)

Location History:

Houston, TX (US) (1977 - 1984)
Tempe, AZ (US) (1987)
Tempe, TX (US) (1987)

Company Filing History:

17 out of 29,936

Texas Instruments Corporation

patents

Years Active: 1977-1987

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Areas of Expertise:

Integrated Circuit

CMOS Device

Digital Processor

Memory System

Microprocessor

Logic Circuit

Semiconductor

Data Processing

Memory Add-On

N-Channel

Virtual Ground

Switching Control

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4700088 - Dummy load controlled multilevel logic single clock logic circuit (1987-10-13),

2. 4667339 - Level sensitive latch stage (1987-05-19),

3. 4646257 - Digital multiplication circuit for use in a microprocessor (1987-02-24),

4. 4447881 - Data processing system integrated circuit having modular memory add-on (1984-05-08),

5. 4443811 - CMOS Integrated circuit device (1984-04-17),

6. 4409665 - Turn-off-processor between keystrokes (1983-10-11),

7. 4350992 - N-Channel silicon gate virtual ground ROM (1982-09-21),

8. 4325169 - Method of making CMOS device allowing three-level interconnects (1982-04-20),

9. 4295897 - Method of making CMOS integrated circuit device (1981-10-20),

10. 4280271 - Three level interconnect process for manufacture of integrated circuit (1981-07-28),

11. 4184208 - Pseudo-static semiconductor memory cell (1980-01-15),

12. 4179746 - Digital processor system with conditional carry and status function in (1979-12-18),

13. 4156927 - Digital processor system with direct access memory (1979-05-29),

14. 4089062 - Switching control circuits for electronic calculator with push-button (1978-05-09),

15. 4074355 - Digital microprocessor system with shared decode (1978-02-14),

Title: Spotlight on Inventor Graham S. Tubbs

Introduction:

Graham S. Tubbs is a skilled inventor based in Houston, TX, with an impressive portfolio of 17 patents. His work in the field of logic circuits has made significant contributions to innovation in the tech industry.

Latest Patents:

1. Dummy load controlled multilevel logic single clock logic circuit: This patent showcases Tubbs' expertise in creating a multi-level logic circuit that includes dummy logic circuits for efficient evaluation.

2. Level sensitive latch stage: Tubbs' invention of a logic circuit with multiple stages driven by different clock signals demonstrates his proficiency in field-effect transistor technology.

Career Highlights:

Tubbs is a valuable member of Texas Instruments Corporation, where he channels his inventive spirit into creating cutting-edge technological solutions. His dedication to pushing the boundaries of logic circuit design has earned him recognition within the industry.

Collaborations:

Throughout his career, Tubbs has collaborated with esteemed professionals such as James E. Ponder and Perry Wyan Lou. These collaborations have led to the development of groundbreaking innovations and have enhanced Tubbs' reputation as a pioneering inventor.

Conclusion:

Graham S. Tubbs stands out as a visionary inventor in the field of logic circuits, with a remarkable track record of 17 patents to his name. His contributions to the industry, particularly through his work at Texas Instruments Corporation, highlight his expertise and innovation in the realm of technological 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]