This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Computer Products (America), Inc., Hitachi Computer Products, Inc., Unisys Corporation. Active years: 1991-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 7 
1 out of 1 
1 out of 2,444 
Years Active: 1991-2000
Title: Innovations by Ruben Yomtoubian
Introduction
Ruben Yomtoubian is an accomplished inventor based in Saratoga, CA (US). He has made significant contributions to the field of technology, particularly in memory organization and disk drive diagnostics. With a total of 4 patents to his name, Yomtoubian's work has had a notable impact on the industry.
Latest Patents
One of his latest patents is a "Method for multiple vertical and/or horizontal levels of memory." This invention provides a method and apparatus for organizing memory buffers between an I/O subsystem and a computer system. The invention creates a memory hierarchy that includes a disk buffer, disk cache, controller memory, and computer system memory. Each datablock in this hierarchy is assigned an index word that contains the address of the datablock and index bits indicating its location within the memory hierarchy. This organization allows for a mirror copy of the datablock to be maintained, ensuring accessibility even if the original becomes inaccessible.
Another significant patent is the "Method and apparatus for protecting disk drive failure." This invention predicts future disk drive failures through a series of diagnostic and statistical routines embedded in the ROM of the disk drive's logic board. These routines monitor errors during normal operation and issue warnings if error rates exceed predetermined levels. The invention also includes the capability to test for recoverable errors, ensuring the reliability of disk drives.
Career Highlights
Throughout his career, Ruben Yomtoubian has worked with notable companies such as Hitachi Computer Products (America), Inc. and Unisys Corporation. His experience in these organizations has contributed to his expertise in developing innovative solutions in the technology sector.
Conclusion
Ruben Yomtoubian's contributions to technology through his patents demonstrate his commitment to innovation and problem-solving in the field. His work continues to influence advancements in memory organization and disk drive reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile