Location History:
- Wako, JP (1999)
- Tochigi-ken, JP (2002)
- Saitama, JP (2005)
Company Filing History:
2 out of 10,092 
1 out of 46 
1 out of 832,912 Years Active: 1999-2005
Title: The Innovations of Masamichi Fujishiro
Introduction
Masamichi Fujishiro is a notable inventor based in Wako, Japan. He has made significant contributions to the field of engineering, particularly in the automotive sector. With a total of 3 patents to his name, Fujishiro's work focuses on enhancing engine performance and efficiency.
Latest Patents
Fujishiro's latest patents include a vibration absorbing apparatus for the exhaust system of an engine. This innovative design features an exhaust manifold that extends downwardly and connects to the rear side of a transversely disposed engine. A primary exhaust pipe portion is linked to the exhaust manifold via a spherical joint located close to the engine. Additionally, a secondary exhaust pipe portion connects to the primary exhaust pipe portion, with a flexible tube positioned upstream of a support portion to the vehicle body.
Another significant patent is the exhaust passage control valve. This valve incorporates a spiral-shaped valve element mounted on a valve seat portion of a housing through which exhaust gases pass. The valve element is urged by a valve spring to close the valve. The spring constant of the valve spring is maintained low without enlarging it, allowing for optimal opening and closing characteristics when the exhaust-gas pressure reaches a predetermined value.
Career Highlights
Fujishiro has worked with prominent companies in the automotive industry, including Honda Motor Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.
Collaborations
Throughout his career, Fujishiro has collaborated with talented individuals such as Yoshihiko Eguchi and Kazuhiko Tsuda. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Masamichi Fujishiro's contributions to the field of engineering and automotive technology are noteworthy. His innovative patents demonstrate his commitment to improving engine performance and efficiency. Through his work and collaborations, Fujishiro continues to make a significant impact in the industry.