Location History:
- Tokyo, JP (1998 - 2006)
- Ohta, JP (2006)
Company Filing History:
3 out of 35,793 
2 out of 10 
1 out of 2,467 
Years Active: 1998-2006
Title: Sadao Nakayama: Innovator in Engine Technology
Introduction
Sadao Nakayama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engine technology, holding a total of 7 patents. His innovative work focuses on improving engine performance and efficiency.
Latest Patents
Among his latest patents, Nakayama has developed an engine exhaust temperature controlling apparatus and method. This invention aims to maintain the cylinder exhaust temperature of a gas engine within a predetermined range, thereby preventing misfire and knocking. The process involves sampling exhaust temperatures at set intervals, calculating averages, and adjusting the fuel spray period based on deviations from the set parameters. Additionally, he has designed a cylinder head that incorporates both standard and eccentric seat rings to enhance flow coefficients and swirl flow in internal combustion engines.
Career Highlights
Throughout his career, Sadao Nakayama has worked with notable companies such as NEC Corporation and Niigata Power Systems Co., Ltd. His experience in these organizations has allowed him to refine his expertise in engine technology and contribute to various innovative projects.
Collaborations
Nakayama has collaborated with talented individuals in the field, including Satoru Goto and Yoshifumi Nishi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Sadao Nakayama's contributions to engine technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in engine performance and efficiency.