Location History:
- Koga, JP (1991 - 1992)
- Ibaraki, JP (1992)
- Ibaragi, JP (1991 - 1993)
- Tokyo, JP (1991 - 2008)
Company Filing History:
14 out of 2,208 
4 out of 885 
3 out of 130 Years Active: 1991-2008
Title: Mitsugi Chonan: Innovator in Engine Technology
Introduction
Mitsugi Chonan is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to engine technology, holding a total of 14 patents. His innovative designs focus on enhancing the efficiency and durability of engine components.
Latest Patents
Chonan's latest patents include a breather device in engines and advancements in continuously variable transmissions. The breather device is designed to be placed in the timing-gear chamber of an engine. It features an oil separator that rotates with the camshaft and a tubular breather housing that effectively removes oil mist. The oil separator is equipped with multiple fins arranged in an annular pattern around the camshaft's axis. This design optimizes the separation of oil mist from the engine.
In addition, his patent for a continuously variable transmission improves cooling efficiency and durability. This transmission is designed for vehicles and includes a transmission case that houses a primary pulley driven by the engine. The design incorporates fan blades in the primary pulley and a scroll surface in the transmission case to enhance the blowing efficiency of cooling air. This innovation ensures that the interior of the transmission case is adequately cooled, thereby increasing the durability of the V-belt.
Career Highlights
Throughout his career, Mitsugi Chonan has worked with notable companies such as Fuji Jukogyo Kabushiki Kaisha and Polaris Industries Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Chonan has collaborated with several talented individuals in the field, including Fusao Tachibana and Shinichi Kurosu. These collaborations have contributed to the advancement of his inventions and the overall progress in engine technology.
Conclusion
Mitsugi Chonan is a distinguished inventor whose work has significantly impacted engine technology. His innovative patents and collaborations reflect his commitment to enhancing the efficiency and durability of engine components. His contributions continue to influence the automotive industry and inspire future innovations.