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For the Inventor, By the Inventor

Shoreview, MN, United States of America

Donald C Englin

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.7

ph-index = 8

Forward Citations = 242(Granted Patents)


Company Filing History:

goldMedal15 out of 2,439 
 
Unisys Corporation
 patents

Years Active: 1999-2008

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15 patents (USPTO):Explore Patents
1. 7356650 - Cache apparatus and method for accesses lacking locality (2008-04-08),
2. 7356647 - Cache with integrated capability to write out entire cache (2008-04-08),
3. 7120836 - System and method for increasing cache hit detection performance (2006-10-10),
4. 7065614 - System and method for maintaining memory coherency within a multi-processor data processing system (2006-06-20),
5. 6993630 - Data pre-fetch system and method for a cache memory (2006-01-31),
6. 6976128 - Cache flush system and method (2005-12-13),
7. 6928517 - Method for avoiding delays during snoop requests (2005-08-09),
8. 6868482 - Method and apparatus for parallel store-in second level caching (2005-03-15),
9. 6857049 - Method for managing flushes with the cache (2005-02-15),
10. 6799249 - Split control for IP read and write cache misses (2004-09-28),
11. 6122711 - Method of and apparatus for store-in second level cache flush (2000-09-19),
12. 5946710 - Selectable two-way, four-way double cache interleave scheme (1999-08-31),
13. 5875472 - Address conflict detection system employing address indirection for use (1999-02-23),
14. 5875462 - Multi-processor data processing system with multiple second level caches (1999-02-23),
15. 5860093 - Reduced instruction processor/storage controller interface (1999-01-12),

Title: The Innovative Contributions of Donald C Englin

Introduction

Donald C Englin is a prominent inventor based in Shoreview, MN (US). He has made significant contributions to the field of data processing systems, holding a total of 15 patents. His work focuses on enhancing cache arrangements and improving data management within processing systems.

Latest Patents

One of Englin's latest patents is titled "Cache with integrated capability to write out entire cache." This invention provides a cache flush operation initiated by a command from a maintenance processor. The cache arrangement includes a cache memory, a mode register, and a controller. The mode register can be set by the maintenance processor to one of two values. The controller selectively writes all modified information in the cache memory to the system memory in response to the command. Additionally, all information in the cache memory is invalidated if the mode register is set to the second value. In another embodiment, only the modified data remains valid if the mode register is set to the first value. This second value can be utilized to efficiently reassign one or more cache memories to a new partition.

Another notable patent is "Cache apparatus and method for accesses lacking locality." This invention outlines systems and methods for a data processing system and a cache arrangement. The data processing system includes at least one processor, a first-level cache, a second-level cache, and a memory arrangement. The first-level cache bypasses storing data for a memory request when a do-not-cache attribute is associated with the request. The second-level cache stores the data for the memory request and also bypasses updating least-recently-used indicators when the do-not-cache attribute is present.

Career Highlights

Englin's career is marked by his role at Unisys Corporation, where he has contributed to various innovative projects. His expertise in cache management and data processing has positioned him as a valuable asset within the company.

Collaborations

Throughout his career, Englin has collaborated with notable colleagues, including Mitchell A Bauman and Kelvin S Vartti. These collaborations have further enhanced the innovative solutions developed in the field of data processing.

Conclusion

Donald C Englin's contributions to the field of data processing systems through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the way data is managed and processed in modern systems.

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