Location History:
- Zama, JP (1986)
- Fujisawa, JP (1987 - 1992)
- Kanagawa, JP (1992 - 1994)
- Hiratsuka, JP (1992 - 1997)
- Ebina, JP (1996 - 2010)
Company Filing History:
39 out of 13,415 
1 out of 1,023 
1 out of 5 Years Active: 1986-2010
Areas of Expertise:
Title: Innovations of Koichi Hayasaki: Pioneering Hybrids and Patents
Introduction
Koichi Hayasaki, based in Fujisawa, Japan, is a notable inventor renowned for his contributions to hybrid vehicle technology. He has been awarded a remarkable 40 patents over his career, showcasing his innovation-driven approach to automotive engineering.
Latest Patents
Two of Hayasaki's latest patents illustrate his ingenuity in hybrid vehicle systems. The first patent details an "Oil Pump Driving Control Device for a Hybrid Vehicle." This device optimally controls an oil pump that is mechanically driven by either an engine or a motor generator, supplying necessary oil pressure for an automatic transmission with just a single mechanical oil pump. This innovation ensures that sufficient oil pressure is maintained even when the second clutch cannot be tightened.
The second patent focuses on a "Hybrid Vehicle Control System" designed to enhance fuel economy by optimizing the torque transfer capacity of clutches that transmit drive power from both an engine and a motor/generator. This system enables a smooth transition between electric and hybrid drive modes, carefully calibrating the torque contributions from both power sources to improve efficiency.
Career Highlights
Throughout his illustrious career, Hayasaki has been associated with prominent automotive firms, including Nissan Motor Company Limited and Jatco Corporation. His work in these organizations has been instrumental in advancing hybrid technology, ensuring safer and more efficient vehicles.
Collaborations
In his pursuit of innovation, Hayasaki has collaborated with notable individuals in the field, including Kazuhiko Sugano and Hirofumi Michioka. These partnerships have fostered an environment of creative problem-solving and technical advancement in hybrid vehicle design.
Conclusion
Koichi Hayasaki's extensive portfolio of patents and his impactful work in the automotive industry highlight his status as a leading inventor in hybrid vehicle technology. His innovations not only contribute to improving vehicle performance but also play a vital role in the advancement of environmentally friendly transportation solutions. As the automotive landscape evolves, Hayasaki's inventions will likely continue to influence the industry for years to come.