Justin R Butwell

Title: The Innovations of Justin R Butwell

Introduction

Justin R Butwell is a notable inventor based in Milton, NY (US). He has made significant contributions to the field of computer systems through his innovative patents. With a total of 4 patents, his work focuses on enhancing program authorization mechanisms and addressing functions in multiple virtual address spaces.

Latest Patents

One of Justin's latest patents is titled "Authorization for selective program access to data in multiple address." This patent describes a program authorization mechanism that allows a program to access an address space in the main memory of a computer system under a multiple address space facility. Each address space is associated with an access-list entry, which is designated by an access-list-entry token contained in an access register. The access-list entry includes a private indicator that determines whether the associated address space can be accessed by all programs or only by an authorized program. For a program to gain authorization, an extended authorization index in a control register must match the access-list extended authorization index in the access-list entry.

Another significant patent is "Multiple address space token designation, protection controls." This invention provides a method and apparatus to translate the contents of access registers into information for addressing functions across multiple virtual address spaces. The system utilizes a plurality of general-purpose registers and access registers associated with them. The access list entries are addressed by the contents of the access register, and memory storage holds address space number second table entries (ASTE). The results of the access register translation process are stored in an ART lookaside buffer (ALB) for later use.

Career Highlights

Justin R Butwell is currently employed at International Business Machines Corporation (IBM). His work at IBM has allowed him to develop and refine his innovative ideas, contributing to advancements in computer technology.

Collaborations

Some of Justin's coworkers include Carl Edward Clark and Casper A Scalzi. Their collaboration has likely fostered an environment of innovation and creativity within their projects.

Conclusion

Justin R Butwell's contributions to the field of computer systems through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the way programs access data and manage address spaces in modern computing.