Location History:
- Tokyo, JP (1984)
- Saitama, JP (1991)
- Wako, JP (2002)
Company Filing History:
3 out of 10,092 
1 out of 149 Years Active: 1984-2002
Title: **Innovations by Toshihiro Kamiyama: Advancements in Valve Operating Systems**
Introduction
Toshihiro Kamiyama, a prominent inventor based in Tokyo, Japan, has made significant strides in the field of internal combustion engine technology. With three patents to his name, Kamiyama's work focuses on innovative valve operating systems that enhance engine performance and efficiency. His contributions have been instrumental in advancing automotive engineering.
Latest Patents
Kamiyama's latest innovations include two notable patents related to valve operating systems in internal combustion engines.
1. **Valve Operating System in Internal Combustion Engine**: This invention features a cam shaft with a valve operating cam, paired with a rocker arm that includes a uniquely designed pair of support wall portions. The design allows for increased rigidity of the rocker arm while maintaining its size, ultimately enhancing engine performance.
2. **Valve Operating System for Internal Combustion Engine**: This system incorporates a driving force transmission means between the valve operating camshaft and the engine valve. It features a mode changeover mechanism to switch the engine valve's opening and closing modes based on operating conditions. Additionally, a tension adjusting system allows for real-time tension adjustments in response to engine valve operations, improving overall engine responsiveness.
Career Highlights
Kamiyama has worked with esteemed companies such as Honda and Hitachi Powdered Metals Co., Ltd. His career in these organizations has allowed him to apply and develop his inventive ideas in practical applications, contributing to the automotive industry's technological advancements.
Collaborations
Throughout his career, Toshihiro Kamiyama has collaborated with notable colleagues, including Toshiyuki Sato and Toshihiro Oikawa. These partnerships within the industry have facilitated the exchange of ideas and fostered a collaborative environment for innovation.
Conclusion
Toshihiro Kamiyama stands out as a key figure in automotive innovation. His patents in valve operating systems showcase his commitment to improving engine technology and performance. As the automotive landscape evolves, contributions from inventors like Kamiyama will play a crucial role in shaping the future of transportation.