Company Filing History:
3 out of 4,248 
2 out of 36,854 
Years Active: 2000-2015
Title: Hitoshi Uema: Innovator in Engine Technology
Introduction
Hitoshi Uema is a notable inventor based in Iwata, Japan. He has made significant contributions to engine technology, holding a total of 4 patents. His work focuses on improving engine efficiency and lubrication systems.
Latest Patents
One of Uema's latest patents is the "PCV valve installation structure." This invention provides a positive crankcase ventilation (PCV) valve installation structure for engines. It includes a blow-by gas recirculation system that connects the engine body to an intake device, facilitating the recirculation of blow-by gas. Another significant patent is the "Engine lubrication system," designed for multi-cylinder engines. This system features multiple crank chambers and pumps that efficiently manage oil circulation, ensuring optimal lubrication and pressure stability.
Career Highlights
Throughout his career, Uema has worked with prominent companies such as Yamaha Motor Co., Ltd. and Toyota Motor Corporation. His experience in these leading automotive firms has greatly influenced his innovative designs and engineering solutions.
Collaborations
Uema has collaborated with notable colleagues, including Masao Koriyama and Hiroshi Kawamura. Their teamwork has contributed to advancements in engine technology and design.
Conclusion
Hitoshi Uema's contributions to engine technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His work continues to impact engine efficiency and performance.