Roy Isam Ishida

Title: **Roy Isam Ishida: Innovator in Power Supply Control Circuits**

Introduction

Roy Isam Ishida, a dedicated inventor based in Costa Mesa, California, has made significant contributions to the field of power supply technology. With one patent to his name, he has demonstrated his innovative prowess and commitment to improving electrical circuitry.

Latest Patents

Roy Isam Ishida holds a patent for "In-rush current control circuitry." This invention addresses the management of power supply inrush currents, which can cause operational issues in electronic devices. The design features a current-limiting resistor in series with a first relay, complemented by a second relay connected in parallel. A power factor correction stage, holdup capacitor, and a system of timers orchestrate the operation of the circuit, ensuring a smooth startup process when connected to an AC voltage source.

Career Highlights

Throughout his career, Roy Ishida has worked at renowned companies, including Sony Corporation and Sony Trans Com Inc. His experience in these organizations has equipped him with valuable insights into the industry, fostering his skills as an inventor.

Collaborations

Ishida has collaborated with talented colleagues such as Loi Quang Ninh and Bruce Robert Ferguson during his professional tenure. These partnerships have contributed to the development of innovative solutions in the field of electronics.

Conclusion

Roy Isam Ishida stands out as an inventor who effectively addresses technical challenges in power supply systems. His patent on inrush current control circuitry illustrates his innovative spirit and commitment to enhancing electrical performance. As technology continues to evolve, contributions like those of Roy Ishida will be vital in shaping the future of electronic systems.