Location History:
- Saitama, JP (1999 - 2007)
- Wako, JP (1992 - 2008)
Company Filing History:
15 out of 10,092 
4 out of 22,004 
1 out of 832,966 Years Active: 1992-2008
Title: Innovator Tsutomu Inui: Pioneering Electric Vehicle Technologies
Introduction
Tsutomu Inui is a distinguished inventor based in Wako, Japan, with a remarkable portfolio of 20 patents to his name. His work primarily focuses on the advancement of electric and hybrid vehicle technologies, contributing to the evolution of sustainable transportation solutions.
Latest Patents
One of Inui’s latest innovations is an electric vehicle design that incorporates several sophisticated features. This electric vehicle includes traveling units powered by first and second electric motors, a speed adjusting lever to control the travel speed, and a control unit that regulates motor rotation based on signals from the speed adjustment mechanism. Notably, the speed adjusting lever is equipped with spot-turn switches that allow the motors to reverse or move forward simultaneously, enhancing the vehicle's maneuverability. Additionally, an automatic return mechanism ensures the lever resets to a neutral position once the operating force is removed, increasing safety and efficiency.
Inui has also developed a hybrid type working machine that simplifies the controller of hybrid drive units. In this innovative design, the generator driven by the engine connects directly to a motor through a converter or switching circuit, eliminating the need for battery charging. The timing controller expertly manages the conduction phase of a thyristor bridge within the converter, allowing precise adjustment of output power. This invention is noteworthy for maintaining voltage at a target value by adjusting the conduction angle in response to detected motor rotation speeds.
Career Highlights
Throughout his career, Tsutomu Inui has made significant contributions to the automotive industry, particularly during his tenure at Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His inventions have played a pivotal role in enhancing vehicle performance and efficiency, solidifying his reputation as an influential figure in automotive innovation.
Collaborations
Inui has collaborated with renowned professionals in the field, including Tsutomu Wakitani and Hiroo Kanke. These partnerships have fostered an environment of creativity and innovation, leading to groundbreaking advancements within the automotive domain.
Conclusion
In summary, Tsutomu Inui stands out as a leading innovator in electric and hybrid vehicle technologies. His extensive patent portfolio and collaborations with industry experts reflect his dedication to advancing sustainable transportation. Inui’s contributions continue to influence the future of automotive engineering, paving the way for greener and more efficient vehicles.