Location History:
- Hiroshima-ken, JP (1999 - 2003)
- Nagoya, JP (1981 - 2014)
- Aichi, JP (2013 - 2014)
Company Filing History:
6 out of 6 
5 out of 11 
3 out of 546 
Years Active: 1981-2014
Title: Innovations of Katsumi Kurihara
Introduction
Katsumi Kurihara is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of engineering, particularly in the development of four-cycle engines and related technologies. With a total of 18 patents to his name, Kurihara's work has had a considerable impact on engine design and functionality.
Latest Patents
Among his latest patents are a four-cycle engine, a bush cutter, and an engine-driven tool. The four-cycle engine features a unique design that allows for appropriate oil circulation regardless of the engine's tilt. This innovative structure includes a crankcase with a crank room and an oil room, separated by partition walls that facilitate oil flow. Additionally, Kurihara has developed an engine lubrication method that prevents oil from flowing into the combustion chamber when the engine is inclined, ensuring optimal performance.
Career Highlights
Throughout his career, Kurihara has worked with various companies, including Etg Limited and MTD Southwest, Inc. His expertise in engine technology has led to advancements that enhance the efficiency and reliability of engine systems.
Collaborations
Kurihara has collaborated with notable individuals in the industry, including Shiro Kawamoto and James M. Grayson. These partnerships have contributed to the development of innovative solutions in engine design.
Conclusion
Katsumi Kurihara's contributions to engine technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in engine design and functionality.