Location History:
- Tokyo, JP (2013 - 2015)
- Setagaya, JP (2020)
Company Filing History:
3 out of 52,711 
1 out of 279 
Years Active: 2013-2020
Title: Innovations by Hirotoshi Kawai
Introduction
Hirotoshi Kawai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of train control and battery charging systems. With a total of 3 patents, Kawai's work reflects his dedication to enhancing transportation technology.
Latest Patents
One of Kawai's latest patents is a train control device. This device includes a train position detector, a storage unit, and an in-vehicle controller. The train position detector is responsible for detecting the traveling position of a train. The storage unit retains the traveling position of the train when a loss of contact of the current collector occurs, referred to as the loss-of-contact position. When the train travels in a predetermined section that includes the loss-of-contact position, the in-vehicle controller enables the train to perform coasting traveling in that section.
Another significant patent is a battery charging system for trains. This system comprises a first battery unit that stores electric power for the train's driving system and a second battery unit that stores electric power for the first battery unit. A control unit calculates the electric power consumption from the first battery unit. The battery charging unit then supplies electric power to the first battery unit from the second battery unit based on the calculated consumption.
Career Highlights
Hirotoshi Kawai has worked with prominent companies such as Kabushiki Kaisha Toshiba and Toshiba Infrastructure Systems & Solutions Corporation. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Kawai has collaborated with notable coworkers, including Takeru Koga and Masayuki Nogi. Their joint efforts have likely played a role in advancing the projects they have worked on together.
Conclusion
Hirotoshi Kawai's contributions to train control devices and battery charging systems demonstrate his innovative spirit and commitment to improving transportation technology. His patents reflect a deep understanding of the challenges in the field and a drive to create effective solutions.
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.