Keith E Diefendorff

This inventor holds 51 USPTO granted patents and 2 published patent applications, primarily in Vector Processing (CPC class G06F). Top assignees: Apple Inc., Mips Technologies, Inc., International Business Machines Corporation. Active years: 1986-2015.

USPTO Granted Patents = 51 (Patent Applications = 2)

% Patents Active = 78.4

Average Co-Inventor Count = 1.8

ph-index = 18

Forward Citations = 1,716(Granted Patents)

Forward Citations (Not Self Cited) = 1,663(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Austin, TX (US) (1986 - 1994)
Los Gatos, CA (US) (1999 - 2015)

Company Filing History:

Mips Technologies, Inc.

patents

4 out of 166,209

International Business Machines Corporation

Texas Instruments Corporation

patents

6. 1 out of 834,350

Other

patents

where one patent can have more than one assignee

Years Active: 1986-2015

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Areas of Expertise:

Predicate Values

Data Dependency

Faulting Instructions

Memory Hazard Detection

Peer-to-Peer Communication

Microprocessor

Vector Processors

Data Stream Prefetching

Incremental Values

Processing Vectors

Conditional Data

Alignment Control

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8984262 - Generate predicates instruction for processing vectors (2015-03-17),

2. 8976799 - Converged computer I/O system and bridging mechanism for peer-to-peer communication (2015-03-10),

3. 8959316 - Actual instruction and actual-fault instructions for processing vectors (2015-02-17),

4. 8793472 - Vector index instruction for generating a result vector with incremental values based on a start value and an increment value (2014-07-29),

5. 8762690 - Increment-propagate and decrement-propagate instructions for processing vectors (2014-06-24),

6. 8745360 - Generating predicate values based on conditional data dependency in vector processors (2014-06-03),

7. 8650383 - Vector processing with predicate vector for setting element values based on key element position by executing remaining instruction (2014-02-11),

8. 8578209 - Non-faulting and first faulting instructions for processing vectors (2013-11-05),

9. 8463881 - Bridging mechanism for peer-to-peer communication (2013-06-11),

10. 8447956 - Running subtract and running divide instructions for processing vectors (2013-05-21),

11. 8417921 - Running-min and running-max instructions for processing vectors using a base value from a key element of an input vector (2013-04-09),

12. 8402255 - Memory-hazard detection and avoidance instructions for vector processing (2013-03-19),

13. 8370608 - Copy-propagate, propagate-post, and propagate-prior instructions for processing vectors (2013-02-05),

14. 8364938 - Running-AND, running-OR, running-XOR, and running-multiply instructions for processing vectors using a base value from a key element of an input vector (2013-01-29),

15. 8359461 - Running-shift instructions for processing vectors using a base value from a key element of an input vector (2013-01-22),

Title: Inventor Keith E Diefendorff - Revolutionizing Technology

Introduction: Keith E Diefendorff, a visionary inventor based in Los Gatos, CA, has made significant contributions to the world of technology through his innovative creations.

Latest Patents: Keith E Diefendorff holds several patents in the field of electronics and semiconductor technology, with his most recent patent focusing on advanced microprocessor design for enhanced performance.

Career Highlights: With a career spanning over two decades, Keith E Diefendorff has worked for leading tech companies, where he played a key role in developing cutting-edge technologies that have shaped the industry.

Collaborations: Throughout his career, Keith E Diefendorff has collaborated with top engineers, researchers, and scientists to bring his ideas to life, leading to groundbreaking innovations in the tech sector.

Conclusion: Keith E Diefendorff's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and shape the future of the tech industry.