Location History:
- Springfield, OH (US) (1977)
- Union City, CA (US) (2018)
Company Filing History:
1 out of 22 
1 out of 832,843 Years Active: 1977-2018
Title: The Innovations of Daniel P. McGregor
Introduction
Daniel P. McGregor, an accomplished inventor based in Springfield, OH, has made significant contributions to the field of technology through his innovative inventions. With a total of three patents to his name, McGregor has developed advanced methodologies and systems that enhance data management and processing.
Latest Patents
One of his latest patents is titled "Scalable and Persistent L2 Adaptive Replacement Cache." This patent describes a comprehensive method, system, and computer program product aimed at improving file system memory management. It features a module designed to implement a distinct replacement policy and index for a persistent second-level adaptive replacement cache (L2ARC), which works in conjunction with a first-level ARC. The system is also equipped with a module that clusters compressed data chunks across multiple physical devices, aligning these clusters on a byte boundary. Additional innovations in this patent include a storage pool allocator (SPA) that tracks compressed and packed chunks on various devices, along with a mechanism that allows for the re-adding of evicted data based on hit counters, ensuring efficient data retrieval.
Career Highlights
Over his career, McGregor has been associated with various noteworthy companies, contributing his expertise to drive innovation. Most notably, he has worked with HGST, Inc., which is recognized for its advancements in storage technology. His role in such organizations allows him to leverage his inventive skills while collaborating on groundbreaking projects.
Collaborations
Throughout his career, McGregor has worked alongside talented colleagues, including John C. McGregor, Sr. and James B. McGregor. These collaborations have enriched his professional journey and contributed to the advancement of technology through shared knowledge and innovative ideas.
Conclusion
Daniel P. McGregor is a prominent inventor whose work has impacted data management technologies significantly. With his latest patent focusing on adaptive replacement cache systems, he continues to showcase his ability to conceptualize and implement innovative solutions. As he progresses in his career, McGregor's contributions to the field promise to inspire future advancements in technology and data processing.