Company Filing History:
5 out of 4,683 
1 out of 25,964 
Years Active: 1992-2013
Title: Hajime Suetsugu: Innovator in Engine Diagnosis
Introduction
Hajime Suetsugu, an inventive mind from Higashihiroshima, Japan, has made significant contributions to the automotive industry with a portfolio of five patents. His expertise lies primarily in the diagnosis of multi-cylinder engines, showcasing his skills as an innovator who addresses complex issues in engine performance and efficiency.
Latest Patents
Two of Hajime Suetsugu's latest patents exemplify his innovative approach to engine diagnosis:
1. **Diagnosis for Multiple Cylinder Engine**: This patent provides methods and systems for diagnosing a multiple cylinder engine. An exemplary method described involves determining a cylinder air-fuel imbalance from the squared value of the difference between two measured values, allowing for more reliable engine diagnostics.
2. **Method and Device for Measuring Output Characteristic of Air Fuel Ratio Detecting Module**: This disclosure presents a method to measure the output characteristics of an air-fuel ratio sensor by analyzing its output during changes to the fuel injection amount. This approach enables precise measurements of the air-fuel ratio detecting module's output characteristic, enhancing engine tuning and performance diagnostics.
Career Highlights
Throughout his career, Hajime Suetsugu has been associated with renowned companies in the automotive sector. Notably, he worked with Mazda Motor Corporation and Ford Global Technologies, LLC, where his contributions to engine technology have been instrumental in advancing internal combustion engine systems.
Collaborations
His innovative journey has been complemented by collaborations with talented colleagues, including Kenji Kojima and Tadataka Nakazumi. Together, they have contributed to multiple projects that enhance vehicle performance and emissions efficiency.
Conclusion
Hajime Suetsugu's dedication to innovation in engine diagnostics positions him as a key figure in the automotive industry. His patented technologies not only reflect his expertise but also pave the way for improved engine performance and efficiency, showcasing the important role of inventors in shaping the future of automotive technology.