Company Filing History:
3 out of 478 
1 out of 27,442 
Years Active: 2002-2013
Title: Innovations by Keith Yamanaka
Introduction
Keith Yamanaka is an accomplished inventor based in Edmonds, WA (US). He has made significant contributions to the field of portable device power management, holding a total of 4 patents. His work focuses on improving the efficiency and reliability of power sources in handheld devices.
Latest Patents
Yamanaka's latest patents include a "Battery voltage sag avoidance algorithm for a wireless handheld device." This invention presents a method and system for power source management of portable devices. The technology addresses the challenges of maintaining a constant terminal voltage as the power source depletes over time. By periodically determining the average source terminal voltage, the system simplifies power management compared to traditional continuous monitoring methods. This innovation helps prevent data loss and ensures the proper operation of electronic circuits within portable devices.
Career Highlights
Throughout his career, Yamanaka has worked with notable companies such as Palm, Incorporated and Hewlett-Packard Development Company, L.P. His experience in these organizations has contributed to his expertise in developing advanced power management solutions for portable devices.
Collaborations
Some of Yamanaka's coworkers include John LeFevre and Jeffry Harlow Loucks. Their collaboration has likely fostered an environment of innovation and creativity in the projects they have undertaken together.
Conclusion
Keith Yamanaka's contributions to power management in portable devices highlight his innovative spirit and technical expertise. His patents reflect a commitment to enhancing the functionality and reliability of modern technology.