Location History:
- Iwata, JP (1990 - 2001)
- Shizuoka, JP (2007)
Company Filing History:
Years Active: 1990-2007
Title: The Innovative Contributions of Toshiharu Hanajima
Introduction
Toshiharu Hanajima is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of motor vehicle technology, holding a total of 9 patents. His work primarily focuses on enhancing engine performance and efficiency.
Latest Patents
One of Hanajima's latest patents is for a saddle-straddling type motor vehicle. This design features an air-cooled engine that is strategically hung and fixed under the rear part of a backbone of the body frame. The engine's cylinder block is oriented horizontally, with the cylinder head directed toward the front. A fuel injection device is positioned between the intake valve and the intake port in the cylinder head, ensuring optimal performance. The design also includes a cooling mechanism that utilizes assist air and wind to maintain the engine's temperature during various operating conditions.
Another significant patent by Hanajima is for an internal combustion engine with a combustion control system. This engine comprises a combustion chamber formed by a cylinder bore and a reciprocating piston. It features a throttle valve in the intake passage, which controls the flow into the combustion chamber. The design allows for a compact construction, maintaining a predetermined ratio between the intake passage volume and the maximum volume of the combustion chamber.
Career Highlights
Toshiharu Hanajima is currently employed at Yamaha Hatsudoki Kabushiki Kaisha, a leading company in the motor vehicle industry. His innovative designs and patents have contributed to the advancement of engine technology, showcasing his expertise and dedication to the field.
Collaborations
Hanajima has collaborated with notable coworkers, including Yutaka Mizuno and Hisayoshi Matsubara. Their combined efforts have led to the development of cutting-edge technologies in the automotive sector.
Conclusion
Toshiharu Hanajima's contributions to motor vehicle technology through his patents and innovative designs have made a significant impact in the industry. His work continues to inspire advancements in engine performance and efficiency.