Location History:
- Saitama, JP (2005 - 2009)
- Wako, JP (2006 - 2010)
- Saitama-ken, JP (2007 - 2010)
Company Filing History:
21 out of 21,963 
1 out of 10,092 
Years Active: 2005-2010
Title: Akiyuki Yonekawa: Innovator in Internal Combustion Engine Technology
Introduction
Akiyuki Yonekawa is a prolific inventor based in Wako, Japan, known for his significant contributions to the field of internal combustion engine technology. With a remarkable portfolio of 22 patents, he has played a critical role in advancing engineering solutions that enhance engine performance and control systems.
Latest Patents
Among Akiyuki Yonekawa's latest inventions is a variable valve lift device for internal combustion engines. This innovative device features a first link arm that is rotatably supported at a fixed position on the engine body and is connected to a rocker arm. A significant aspect of this design includes a movable support shaft that rotatably supports a second link arm. The crank member, designed in a crank shape with webs to sandwich the second link arm, allows for continuous adjustment of the engine valve lift while ensuring torsional rigidity and compactness.
Another recent patent is an advanced control system that enhances the stability and accuracy of control even in the face of periodic disturbances. This control system incorporates an electronic control unit (ECU) capable of calculating disturbance compensation values, improving the performance of controlled objects subjected to dynamically changing conditions.
Career Highlights
Akiyuki Yonekawa has garnered invaluable experience working with prominent companies, including Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His work has had a considerable impact on the development of innovative automotive technologies, particularly in improving engine efficiency and performance.
Collaborations
Throughout his career, Yonekawa has had the opportunity to collaborate with esteemed professionals such as Noriaki Fujii and Katsunori Nakamura. Their collective expertise has contributed to the successful development and implementation of various pioneering technologies within the automotive sector.
Conclusion
Akiyuki Yonekawa stands out as an influential figure in the realm of automotive engineering and innovation. With his extensive patent portfolio and collaborative spirit, he continues to push the boundaries of technology, making significant contributions to the world of internal combustion engines and control systems.