Location History:
- Toyota, JP (1999 - 2004)
- Nissin, JP (2003 - 2009)
- Nisshin-shi, JP (2011)
- Nisshin, JP (2005 - 2016)
Company Filing History:
36 out of 36,499 
2 out of 19,697 
Years Active: 1999-2016
Title: Innovations of Katsuhiko Yamaguchi: Pioneering Developments in Engine Control
Introduction: Katsuhiko Yamaguchi, based in Nisshin, Japan, stands out as a prolific inventor with an impressive portfolio of 36 patents. His innovations primarily focus on enhancing internal combustion engine performance and vehicle control, contributing significantly to the automotive industry.
Latest Patents: Among Yamaguchi's noteworthy inventions is the patent for an internal combustion engine controller designed to optimize idle speed. This innovative engine control unit (ECU) effectively monitors unused engine time in low-temperature conditions. It establishes an idle speed based on the duration of unused time, adapting the engine's performance to minimize vibrations during idling.
Another significant patent features a control device for vehicles involving a hybrid system. This system enables the vehicle to output creep torque through the torque of a second motor generator (MG). The creep control unit activates without accelerator input, finely tuning torque adjustments in response to brake pedal engagement, ensuring a smoother and more efficient driving experience.
Career Highlights: Yamaguchi's career includes key roles at renowned automotive companies such as Toyota Motor Corporation and Denso Corporation. His contributions in these organizations have played a significant role in advancing engine technology and hybrid vehicle development, solidifying his reputation as an innovator in the field.
Collaborations: Throughout his career, Katsuhiko Yamaguchi has collaborated with esteemed colleagues, including Osamu Harada and Mamoru Tomatsuri. These partnerships have driven forward his research and development efforts, reflecting a shared commitment to innovation and technological advancement within the automotive sector.
Conclusion: Katsuhiko Yamaguchi's dedication to innovation and efficiency in engine control and vehicle technology has earned him recognition as a leading inventor. His extensive patent portfolio, his collaborative work with other experts, and his impactful career within top automotive companies demonstrate his significant contributions to the evolution of 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.