This inventor holds 28 USPTO granted patents and 4 published patent applications, plus 11 CIPO patents and 22 EPO patents, primarily in DC Circuit Protection. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Denki Kabushiki Kaisha, Electric Power Development Co., Ltd.. Active years: 1997-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chiyoda-ku, JP (2010 - 2015)
- Tokyo, JP (1997 - 2022)
- Kanagawa, JP (2022)
Company Filing History:
21 out of 16,586 
4 out of 21,351 
3 out of 44 
Years Active: 1997-2026
Areas of Expertise:
Title: Innovations by Kenji Kamei: A Glimpse into His Contributions
Introduction
Kenji Kamei, a prolific inventor based in Tokyo, Japan, has made significant contributions to the field of electrical engineering. With an impressive portfolio of 24 patents, Kamei's innovative designs focus primarily on advanced circuit breakers, showcasing his expertise and forward-thinking approach in this specialized domain.
Latest Patents
Among his latest inventions is a sophisticated direct-current circuit breaker. This device includes a circuit breaker unit and a circuit unit that generates an oscillating current. The circuit unit incorporates a capacitor and a reactor, along with a high-speed closer and a lightning arrester. This design carefully aligns the various components to ensure efficiency and safety, maintaining specific spatial distances between them for optimal performance.
Another notable invention is another version of a direct-current circuit breaker, which features a first main circuit breaker inserted into a direct-current line. It includes a resonance circuit connected in parallel to the circuit breaker and a mechanism for controlling the flow through a second main circuit breaker. This design allows for enhanced control over the electrical flow, improving safety and functionality in electrical systems.
Career Highlights
Kamei has honed his skills and knowledge through his tenure at prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His work in these organizations has allowed him to develop and refine his inventions, significantly impacting the field of electrical engineering.
Collaborations
Throughout his career, Kamei has had the pleasure of working alongside talented individuals, including Sadayuki Kinoshita and Hiroki Ito. Collaborating with such esteemed colleagues has undoubtedly contributed to the innovative spirit that surrounds his projects.
Conclusion
Kenji Kamei's contributions to the field of electrical engineering, particularly in circuit breaker technology, reflect a commitment to innovation and safety. As he continues to develop new solutions, his work will undoubtedly inspire future generations of inventors and engineers, leaving a lasting mark on the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile