This inventor holds 22 USPTO granted patents. Top assignees: Imation Corporation, Legger Col. A.b. LLC, 3M Innovative Properties Company. Active years: 1981-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Saint Paul, MN (US) (1981 - 2013)
- Grey Eagle, MN (US) (2013 - 2014)
Company Filing History:
14 out of 621 
4 out of 4 
3 out of 22,379 
Years Active: 1981-2014
Title: Innovations and Patents of Donald J Kerfeld in Data Storage Technology
Introduction
Donald J Kerfeld is a prominent inventor based in Saint Paul, MN, known for his significant contributions to data storage technology. With a remarkable portfolio of 21 patents, Kerfeld has played a crucial role in advancing the methods of data storage replication and optical mastering.
Latest Patents
Among his latest innovations are two notable patents focused on data storage processes. The first, titled "Replica Disk for Data Storage," highlights the creation of replica disks that feature a surface relief pattern consisting of replica lands and grooves. This invention aims to enhance data storage efficiency and retrieval. The second patent, "Reverse Optical Mastering for Data Storage Disk Replicas," outlines the comprehensive process for creating data storage master disks, which are essential in the replication of data storage disks. This method elaborates on the use of a master substrate coated with photosensitive material, where a surface relief pattern is developed through precise exposure and developing steps.
Career Highlights
Throughout his career, Kerfeld has worked with notable companies, including Imation Corporation and Legger Col. A.b. LLC, where he contributed his expertise in data storage technologies. His inventive spirit has resulted in patents that have set new benchmarks in the industry.
Collaborations
Kerfeld has collaborated with several esteemed colleagues, including Jathan D Edwards and Chad R Sandstrom. These partnerships have fostered an environment of innovation, leading to groundbreaking advancements in the field of data storage.
Conclusion
Donald J Kerfeld's work has significantly impacted the landscape of data storage technology, underscoring the importance of innovation in this fast-paced field. His extensive patent portfolio and collaborative efforts reflect his dedication to advancing how data is stored and accessed, ensuring that he remains a vital figure in the realm of technological developments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile