Location History:
- Himeji, JP (1988 - 1991)
- Hyogo, JP (1992)
- Tokyo, JP (2000)
Company Filing History:
8 out of 21,351 
2 out of 488 
1 out of 26 
Years Active: 1988-2000
Title: Jiro Sumitani: Innovator in Automotive Control Systems
Introduction
Jiro Sumitani is a notable inventor based in Himeji, Japan. He has made significant contributions to the field of automotive technology, holding a total of 10 patents. His work primarily focuses on control systems for motor vehicles, showcasing his expertise in engineering and innovation.
Latest Patents
One of Sumitani's latest patents is an onboard control system designed for controlling devices installed on motor vehicles. This system allows for the alteration of control programs through a simplified processing procedure, utilizing a straightforward hardware structure. It effectively avoids issues related to the unfitness of control variables stored in a backup random access memory. The control program can be updated with new data from an external memory rewriting device, ensuring that the control variables align with the latest program requirements.
Another significant patent is the surge-corrected fuel control apparatus for internal combustion engines. This innovative fuel injection control system utilizes a Karman vortex detector to measure the air intake in the manifold. The amount of fuel injected is determined based on a calculated intake volume, which is a weighted sum of both the measured volume and the previous period's calculated intake volume. This method addresses surge storage in the intake manifold and other input paths, enhancing engine performance.
Career Highlights
Throughout his career, Jiro Sumitani has worked with prominent companies, including Mitsubishi Electric Corporation and Mitsubishi Electric K.K. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.
Collaborations
Sumitani has collaborated with notable colleagues such as Yoshiaki Kanno and Katsuya Nakamoto. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.
Conclusion
Jiro Sumitani's contributions to automotive control systems exemplify his innovative spirit and technical prowess. His patents reflect a commitment to enhancing vehicle performance and efficiency, making him a significant figure in the field of automotive engineering.