This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignees: The Tokyo Electric Power Company, Incorporated, Kabushiki Kaisha Meidensha. Active years: 1998-1999.
Location History:
- Kawasaki, JP (1998)
- Tokyo, JP (1999)
Company Filing History:

Years Active: 1998-1999
Title: Jun Motohashi: Innovator in Power Supply Detection
Introduction
Jun Motohashi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of power supply detection, holding 2 patents that focus on innovative methods for ensuring the reliability of distributed power systems.
Latest Patents
One of his latest patents is a "Single or Isolated Operation Detecting Apparatus for a Distributed Power." This invention is designed to detect when a distributed power supply switches from cooperation with another power system to isolated operation. The apparatus includes a frequency detector, reactive power regulating equipment, a fluctuation signal generator, and a single operation signal generator. This setup allows for the detection of isolated operation by actively disturbing the balance between generated and consumed energy.
Another significant patent is the "Method and Apparatus for Detecting Islanding Operation of Dispersed." This method involves detecting the islanding operation of a rotating-machine type dispersed generator interconnected with a main electric source. The process includes changing the electric power of the system, detecting frequency components, and determining if an islanding operation has occurred based on frequency changes.
Career Highlights
Throughout his career, Jun Motohashi has worked with prominent companies such as Tokyo Electric Power Company and Meidensha Corporation. His experience in these organizations has contributed to his expertise in power systems and detection technologies.
Collaborations
Jun has collaborated with notable individuals in his field, including Haruo Sasaki and Yasutomo Imai. These partnerships have likely enhanced his innovative capabilities and contributed to his successful patent applications.
Conclusion
Jun Motohashi is a distinguished inventor whose work in power supply detection has made a significant impact on the industry. His innovative patents and collaborations reflect his commitment to advancing technology in this critical area.