Company Filing History:
8 out of 13,395 
1 out of 556 
2 out of 832,680 Years Active: 1998-2006
Title: **Masaki Toriumi: Innovator in Variable Valve Control Systems**
Introduction
Masaki Toriumi is a prominent inventor based in Yokohama, Japan, renowned for his contributions to the field of internal combustion engine technology. With a total of 10 patents to his name, Toriumi has significantly advanced innovations that enhance engine performance and efficiency.
Latest Patents
Among his latest inventions is a **Variable Valve Control System and Method for an Internal Combustion Engine**. This system features first and second variable valve control mechanisms designed to modify the valve lift characteristics of either the intake or exhaust valves. A crucial component of this invention is a controller that detects malfunctions within the first variable valve control mechanism. Upon identifying a failure, the controller adjusts the second mechanism to ensure that the timing of the intake valve's opening aligns suitably with the closure timing of the exhaust valve. Additionally, Toriumi has developed a **Variable Valve Operating System for Internal Combustion Engine**, specifically targeting two-bank engines. This innovative system includes mechanisms for changing valve lift and working angles, along with independent valve timing control for each bank. In the event of a failure in one mechanism, the control unit activates a failsafe mode, enhancing operational reliability.
Career Highlights
Throughout his career, Masaki Toriumi has worked with prominent organizations like Nissan Motor Company Limited, where he has contributed to the development of revolutionary automotive technologies. His dedication to enhancing engine performance through innovative designs and methodologies is evident in his patent portfolio.
Collaborations
Toriumi has collaborated with notable colleagues such as Shigeki Shindou and Shigeru Sakuragi. Their combined expertise has fostered a dynamic environment for innovation within the automotive engineering field.
Conclusion
Masaki Toriumi's contributions to variable valve control systems exemplify his commitment to improving internal combustion engine performance. His inventions not only demonstrate his innovative spirit but also provide significant advancements in automotive technology that can lead to more efficient and reliable engines. As he continues to innovate, Toriumi remains a pivotal figure in the evolution of engine design and functionality.
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