This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Denso Corporation. Active years: 2006-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006-2011
Title: Hirofumi Shoda: Innovator in Exhaust Gas Sensor Technology
Introduction
Hirofumi Shoda is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive technology, particularly in the area of exhaust gas sensors. With a total of 2 patents to his name, Shoda's work has had a meaningful impact on vehicle performance and emissions control.
Latest Patents
Shoda's latest patents include a malfunction diagnosis apparatus for exhaust gas sensors and a diagnostic apparatus for variable valve control systems. The malfunction diagnosis apparatus is designed to diagnose issues with exhaust gas sensors located downstream of a catalyst. It features a dead time determination unit that calculates the time delay between the initiation of fuel cut in an internal combustion engine and the sensor's response. Additionally, an output change time measurement unit assesses the time it takes for the sensor's output to shift to a leaner side. The malfunction determination unit then evaluates whether a malfunction exists based on the sensor's response time.
The diagnostic apparatus for variable valve control systems involves an ECU that calculates variations in air-fuel ratios across different cylinders. It determines the presence of abnormalities by comparing the ratios of variations in air-fuel ratios of individual cylinders to the overall cylinder group. This innovative approach allows for precise identification of which variable intake valve lift devices may be malfunctioning.
Career Highlights
Hirofumi Shoda is currently employed at Denso Corporation, a leading global supplier of advanced automotive technology. His work at Denso has allowed him to focus on developing cutting-edge solutions that enhance vehicle efficiency and reduce emissions.
Collaborations
Shoda collaborates with Keiji Wakahara, a fellow innovator in the automotive sector. Their partnership has fostered a creative environment that encourages the development of new technologies.
Conclusion
Hirofumi Shoda's contributions to automotive technology, particularly in exhaust gas sensor innovation, highlight his role as a key inventor in the industry. His patents reflect a commitment to improving vehicle performance and environmental sustainability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile