Company Filing History:
1 out of 27,427 
1 out of 9,638 
Years Active: 2000-2006
Title: O Sam Nakagawa: Innovator in Power Management and Circuit Performance
Introduction
O Sam Nakagawa is a notable inventor based in Redwood City, CA. He has made significant contributions to the fields of power management and circuit performance, holding a total of 2 patents. His innovative approaches have the potential to enhance the efficiency and reliability of server clusters and interconnects.
Latest Patents
One of Nakagawa's latest patents is titled "Method for diverting power reserves and shifting activities according to activity priorities in a server cluster in the event of a power interruption." This invention discloses a system and method for Quality of Service (QoS) based server cluster power management. The method involves grouping activities within a server cluster into predefined sets, assigning priority levels to each set, and diverting power reserves from servers hosting lower-priority activities to those with higher-priority activities in response to a power interruption signal.
Another significant patent is the "Method and system for determining statistically based worst-case on-chip." This invention focuses on determining circuit performance-related characteristics, particularly delay and crosstalk of interconnects. It includes defining process variables with Gaussian distributions and generating tables of statistically based worst-case values representative of capacitances and resistances. The method allows for the determination of three-sigma delay and crosstalk for specific interconnect layouts.
Career Highlights
Throughout his career, O Sam Nakagawa has worked with prominent companies, including Hewlett-Packard Development Company, L.P. and Hewlett-Packard Company. His experience in these organizations has contributed to his expertise in power management and circuit performance.
Collaborations
Nakagawa has collaborated with notable professionals in his field, including Norman H. Chang and Valery Kanevsky. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
O Sam Nakagawa's contributions to power management and circuit performance through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the efficiency of server clusters and interconnects, showcasing the importance of innovation in technology.