Location History:
- Shizuoka, JP (2011)
- Iwata, JP (2012)
Company Filing History:
2 out of 4,237 
1 out of 36,608 
Years Active: 2011-2012
Title: Noboru Nowatari: Innovator in Engine Technology
Introduction
Noboru Nowatari is a notable inventor based in Iwata, Japan. He has made significant contributions to engine technology, holding a total of 2 patents. His work focuses on improving engine lubrication systems and exhaust mechanisms, showcasing his expertise in automotive engineering.
Latest Patents
Nowatari's latest patents include an innovative engine lubrication system designed for multi-cylinder engines. This system features a plurality of crank chambers partitioned by crankshaft bearing portions, along with pumps that extract oil from the engine's lower section. The design incorporates oil collection passages that merge to connect with the pumps' suction ports, an oil storage section for temporary oil storage, and a lubrication part that supplies oil to the engine's lubricated areas. Additionally, a pressure variation suppression section is included to minimize pressure fluctuations within the crank chambers.
Another significant patent involves an advanced engine design that integrates a first catalyst in the first exhaust passage and a second catalyst upstream of it. This engine features a variable valve operating mechanism that allows for adjustable lifting amounts of the exhaust valves, controlled by a lifting amount control unit. This innovation ensures that the exhaust gas flow through the second passage exceeds that of the first, enhancing engine efficiency.
Career Highlights
Throughout his career, Noboru Nowatari has worked with prominent companies in the automotive industry, including Yamaha Motor Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has contributed to his development of cutting-edge technologies in engine design and performance.
Collaborations
Nowatari has collaborated with esteemed colleagues such as Hiroshi Kawamura and Shunji Mamiya. Their combined expertise has fostered advancements in engine technology and innovation.
Conclusion
Noboru Nowatari's contributions to engine technology through his patents and collaborations highlight his role as a significant inventor in the automotive field. His work continues to influence the development of more efficient and effective engine systems.