This inventor holds 3 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki K.k.. Active years: 1992-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (1992 - 1995)
- Kobe, JP (2002)
Company Filing History:
Years Active: 1992-2002
Title: Fumihiko Nishiwaki: Innovator in Current Control Technologies
Introduction
Fumihiko Nishiwaki is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of current control devices, holding a total of 3 patents. His work focuses on enhancing the efficiency and reliability of electronic systems in vehicles.
Latest Patents
Nishiwaki's latest patents include an on-board current control device and a vehicle electromagnetic clutch control device. The on-board current control device features a processing unit that operates a current command value based on engine control and driving control information. It outputs a current basic pulse width modulating signal and a current adjusting pulse width modulating signal. This device includes a current regulator that modulates the basic signal and generates a current command pulse width modulating signal. Additionally, it has a smoothing filter that converts the command signal into a direct current-like signal, a comparator for deviation analysis, and an output transistor that controls the current value to a load. This innovation allows for easy correction of characteristics dispersion caused by component variability.
The vehicle electromagnetic clutch control device calculates clutch current based on travel control and engine control data. It utilizes a current difference detector to compare the calculated clutch current with a feedback signal. The system operates a first output transistor to energize the electromagnetic clutch, while a second output transistor detects the clutch current through a current detecting resistor. This design enables clutch current adjustment without the need to remove components from the printed circuit board.
Career Highlights
Nishiwaki has worked with prominent companies such as Mitsubishi Electric Corporation and Mitsubishi Denki K.K. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Throughout his career, Nishiwaki has collaborated with talented individuals, including Munehiko Mimura and Hiroyoshi Nishizaki. These partnerships have contributed to the advancement of his projects and innovations.
Conclusion
Fumihiko Nishiwaki is a distinguished inventor whose work in current control technologies has made a significant impact in the automotive industry. His patents reflect a commitment to innovation and efficiency in electronic systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile