Location History:
- Hitachi, JP (2007)
- Hitachinaka, JP (2002 - 2008)
Company Filing History:
5 out of 42,485 
1 out of 248 
Years Active: 2002-2008
Title: Keisuke Nishidate: Innovator in Automotive Electric Drive Systems
Introduction
Keisuke Nishidate is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of automotive technology, particularly in electric drive systems. With a total of five patents to his name, Nishidate's work focuses on enhancing vehicle performance and efficiency.
Latest Patents
Nishidate's latest patents include an electric generating system for automobiles and its control method. This invention aims to provide a vehicle driving apparatus capable of delivering sufficient driving force. The system features a high-power generator driven by an engine, with a DC motor powered directly by energy from the generator. A control circuit regulates the generator's output voltage based on the vehicle's demanded driving force, ensuring optimal motor performance. Another notable patent is the electric drive device for vehicles and hybrid engine/motor-type four-wheel drive device. This innovation simplifies and miniaturizes electric components while reducing costs without compromising performance. The system allows for part of the wheels to be driven by an engine, while a motor drives the wheels as needed. It includes a voltage step-up/step-down device that manages power distribution between the motor, generator, and accessory battery.
Career Highlights
Throughout his career, Nishidate has worked with reputable companies such as Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in automotive technology.
Collaborations
Nishidate has collaborated with notable coworkers, including Hisaya Shimizu and Yoshinori Fukasaku. Their combined expertise has contributed to the advancement of electric drive systems in vehicles.
Conclusion
Keisuke Nishidate's contributions to automotive technology through his innovative patents have significantly impacted the industry. His work continues to pave the way for advancements in electric drive systems, enhancing vehicle performance and efficiency.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.