For the Inventor, By the Inventor

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San Mateo, CA, United States of America

Sifive, Inc.

USPTO Granted Patents = 108

EPO Patents = 10

Trademarks = 3

Forward Citations = 32

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68 inventors (with patents filed for the assignee):

Wesley Waylon Terpstra (30 out of 30 patents)

Krste Asanovic (22 out of 23 patents)

Henry Cook (19 out of 19 patents)

4. Andrew Waterman (18 out of 18 patents)

5. John Ingalls (12 out of 12 patents)

6. Eric Andrew Gouldey (12 out of 12 patents)

7. Michael Klinglesmith (10 out of 10 patents)

8. Bradley Gene Burgess (8 out of 8 patents)

9. Ernest L Edgar (6 out of 6 patents)

10. Josh Smith (6 out of 6 patents)

11. Han Chen (5 out of 5 patents)

12. Yunsup Lee (5 out of 5 patents)

13. David Kravitz (5 out of 17 patents)

14. Mohit Gupta (4 out of 19 patents)

15. Ryan Macdonald (4 out of 4 patents)

Core Competencies:

Atomic Memory Operations

Cache Management

Vector Instruction Processing

Integrated Circuit Generation

Secure Debug Architecture

Memory Protection

Prefetching Techniques

Error Management

Dynamic Design Flows

Out-of-Order Processing

Fault Tolerant Processing

Instruction Issue Control

108 patents: Sort by Forward Citations

1. 12737302 - Concurrent support for multiple cache inclusivity schemes using low priority evict operations (2026-09-15),

2. 12737023 - Selectable and hierarchical power management (2026-09-15),

3. 12711078 - DOWNGRADING A PERMISSION ASSOCIATED WITH DATA STORED IN A CACHE (2026-08-18),

4. 12711076 - PAGE TABLE ENTRY CACHES WITH MULTIPLE TAG LENGTHS (2026-08-18),

5. 12710984 - Processor Power Management Using Instruction Throttling (2026-08-18),

6. 12681730 - Measuring performance associated with processing instructions based on counters for different events (2026-07-14),

7. 12675367 - Cycle accurate tracing of vector instructions (2026-07-07),

8. 12664098 - Address boundary functions for physical and localized addresses (2026-06-23),

9. 12663994 - Supporting multiple vector lengths with configurable vector register file (2026-06-23),

10. 12663992 - Predicting a vector length associated with a configuration instruction (2026-06-23),

11. 12650465 - Selecting an output as a system output responsive to an indication of an error (2026-06-09),

12. 12632631 - Making circuitry having an attribute (2026-05-19),

13. 12625833 - Flexible power management interface (2026-05-12),

14. 12625756 - Processor crash analysis using register sampling (2026-05-12),

15. 12602329 - Atomic memory operations for address translation (2026-04-14),

SiFive, Inc. is an American fabless semiconductor company that designs and produces chips based on the RISC-V instruction set architecture. They provide customizable silicon solutions with the mission to democratize access to custom semiconductors. SiFive offers a range of RISC-V processors, development boards, software platforms, and IP cores, empowering customers to create their own specialized chips for diverse applications.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

108 Patents

#12 in San Mateo, CA

#801 in California

#3,528 in US

#7,264 in the World

San Mateo, CA, United States of America

Sifive, Inc.

Forward Citations = 32

68 inventors:

Wesley Waylon Terpstra (30 out of 30 patents)

Krste Asanovic (22 out of 23 patents)

Henry Cook (19 out of 19 patents)

4. Andrew Waterman (18 out of 18 patents)

5. John Ingalls (12 out of 12 patents)

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