This inventor holds 2 USPTO granted patents. Top assignee: Sawafuji Electric Co., Ltd.. Active years: 1989-1993.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Gunma, JP (1989)
- Nitta, JP (1993)
Company Filing History:
Years Active: 1989-1993
Title: Hiroshi Kobiyama: Innovator in Engine-Driven Power Generating Systems
Introduction
Hiroshi Kobiyama is a notable inventor based in Nitta, Japan. He has made significant contributions to the field of power generation, particularly through his innovative designs and systems. With a total of 2 patents, Kobiyama has demonstrated his expertise and commitment to advancing technology.
Latest Patents
Kobiyama's latest patents include an engine-driven power generating system with over-current protection. This system features a bridge circuit section where low-frequency and high-frequency switching elements are driven alternately. It also includes an inverter circuit section that converts the generated a-c voltage into a predetermined level of low-frequency a-c voltage. The system is characterized by an overcurrent detecting circuit that ensures safety by turning off switching elements during overcurrent conditions.
Another significant patent is for a brushless generator. This generator utilizes a rotor to create a magnetic field and a stator with magnetic poles that face the rotor. The design eliminates brushes by using voltages generated in exciting windings, enhancing efficiency and reliability.
Career Highlights
Kobiyama is currently employed at Sawafuji Electric Co., Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in improving power generation systems, making them more efficient and safer for users.
Collaborations
Kobiyama has collaborated with several talented individuals in his field, including Masahiro Osada and Toshihiko Tanuma. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Hiroshi Kobiyama is a distinguished inventor whose work in engine-driven power generating systems has made a significant impact in the industry. His innovative patents reflect his dedication to enhancing technology and improving safety in power generation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile