Location History:
- Niiza, JP (1988 - 1989)
- Saitama-ken, JP (1997)
- Saitama, JP (1997 - 2004)
Company Filing History:
Years Active: 1988-2004
Title: Innovator Spotlight: Haruhiko Yoshikawa
Introduction
Haruhiko Yoshikawa, an accomplished inventor based in Niiza, Japan, has made significant contributions to the automotive industry with his innovative designs. With a total of eight patents to his name, his work focuses on enhancing vehicle performance and control systems, particularly relating to hydraulic systems in vehicular transmissions.
Latest Patents
One of Yoshikawa's notable patents is the Vehicle Starting Clutch Control Device, which precisely manages the transmission torque capacity of a starting clutch. This innovative device is designed to transmit torque equal to the engine's absorption torque during power-off running. By controlling the gradual increase of clutch torque, it effectively prevents surging vibrations, particularly when the accelerator pedal is abruptly depressed.
Another key patent from Yoshikawa is the Hydraulic Control Apparatus, which serves as a vital component for hydraulically operated vehicular transmissions. This apparatus includes control valves that regulate the supply and discharge of hydraulic oil to the engaging elements within the transmission. The system incorporates an oil supply passage connected to a hydraulic oil source, featuring check valves that facilitate hydraulic oil flow exclusively from the supply passage to the downstream hydraulic engaging elements.
Career Highlights
Haruhiko Yoshikawa is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a leading company in the automotive sector. His expertise in hydraulic systems contributes significantly to Honda's advancements in vehicle technology, notably within their innovative transmission solutions.
Collaborations
Throughout his career, Yoshikawa has worked alongside esteemed colleagues such as Makoto Kawai and Shizuo Yagi. Their collaborative efforts have fostered a rich environment for innovation and development in automotive technology.
Conclusion
Haruhiko Yoshikawa stands out as a prominent inventor within the automotive industry, consistently pushing the boundaries of technology with his patented innovations. His work not only enhances vehicle performance but also sets the stage for future advancements in automotive engineering.
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.