This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Aisan Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 2015.
Company Filing History:
1 out of 806 
1 out of 38,723 
Years Active: 2015
Title: Shigemichi Ujiie: Innovator in Engine Control Technology
Introduction
Shigemichi Ujiie is a notable inventor based in Tokai, Japan. He has made significant contributions to the field of internal combustion engine technology. His innovative work has led to the development of a patented controller that enhances engine performance and efficiency.
Latest Patents
Ujiie's most recent patent is a controller for internal combustion engines. This controller includes a rotation number detecting section that monitors the engine's rotation number and an air-fuel ratio detecting section that measures the air-fuel mixture's ratio. The system is designed to perform leaning control of the air-fuel ratio. Additionally, it features a rotation number difference calculating section that determines the variation in rotation numbers among cylinders, an estimated imbalance rate calculating section based on the detected air-fuel ratio, and a lean abnormality detecting section that identifies imbalances in specific cylinders.
Career Highlights
Throughout his career, Ujiie has worked with prominent companies in the automotive industry. He has been associated with Aisan Kogyo Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in engine technology.
Collaborations
Ujiie has collaborated with notable colleagues, including Toshitake Sasaki and Tsukasa Abe. Their combined expertise has fostered innovation and development in their respective fields.
Conclusion
Shigemichi Ujiie is a distinguished inventor whose work in engine control technology has made a lasting impact. His patented innovations continue to influence the automotive industry, showcasing his dedication to enhancing engine performance.