Company Filing History:
2 out of 13,402 
1 out of 5 Years Active: 1976-1977
Title: Toshitugu Ishizawa: Innovator in Internal Combustion Engine Technology
Introduction
Toshitugu Ishizawa is a notable inventor based in Higashimurayama, Japan. He has made significant contributions to the field of internal combustion engine technology, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
Ishizawa's latest patents include an oil seal assembly designed for rotary piston internal combustion engines. This invention features a sealing arrangement that maintains contact between a sealing ring and the engine components, ensuring efficient operation. Another significant patent is a suction system for internal combustion engines, which incorporates a reed valve to prevent backward gas flow, enhancing engine performance at high speeds.
Career Highlights
Throughout his career, Ishizawa has worked with prominent companies such as Nissan Motor Company Limited and Riken Piston Ring Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to advancements in engine technology.
Collaborations
Ishizawa has collaborated with talented individuals in the industry, including Motokazu Akahori and Hideki Sato. These partnerships have fostered innovation and the development of cutting-edge technologies in the automotive sector.
Conclusion
Toshitugu Ishizawa's contributions to internal combustion engine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in engine design and efficiency.