This inventor holds 99 USPTO granted patents and 2 EPO patents, primarily in Engine Control Systems (CPC class 123308). Top assignees: Hitachi, Ltd., Hitachi Automotive Systems, Ltd., Hitachi Automotive Engineering Co., Ltd.. Active years: 1984-2013.
Inventors with similar research interests:
Location History:
- Katsuta, JP (1989 - 2004)
- Hitachi, JP (1984 - 2006)
- Tokyo, JP (2006)
- Chiyoda-ku, JP (2006)
- Hitachinaka, JP (1996 - 2013)
Company Filing History:
93 out of 42,713 
4 out of 2,028 
2 out of 152 
Years Active: 1984-2013
Areas of Expertise:
Title: The Innovative Contributions of Minoru Ohsuga in Engine Control Technologies
Introduction
Minoru Ohsuga, based in Hitachinaka, Japan, is an esteemed inventor with a remarkable tally of 99 patents to his name. His expertise lies in the field of engine control technologies, where he has made significant strides in optimizing the performance and efficiency of multi-cylinder engines.
Latest Patents
Among his latest innovations, Ohsuga developed a control apparatus for managing intake air flow, fuel injection amounts, and ignition timing across each cylinder of a multi-cylinder engine. This sophisticated engine control apparatus includes a unit dedicated to calculating the mean value of angular acceleration per cylinder, a unit for variance calculation, and another for estimating torque and air/fuel ratios based on these values. This allows for precise control of intake air, fuel injection, and ignition timing to enhance engine performance.
Additionally, he has patented a control device designed to purify NOx emissions with high efficiency during restarts following idle stops. This device smartly adjusts the air-fuel ratio to rich before restarts, estimating the catalyst's condition to optimise emissions purification without sacrificing the efficiency of hydrocarbon and carbon monoxide purification.
Career Highlights
Ohsuga has worked with prominent companies, notably Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His tenure at these organizations has underscored his role as an innovator, driving advancements in automotive technology.
Collaborations
Throughout his career, Ohsuga has collaborated with notable colleagues, including Toshiharu Nogi and Takuya Shiraishi. These partnerships have fostered a creative environment conducive to pioneering new solutions in engine control systems.
Conclusion
Minoru Ohsuga continues to contribute to the field of automotive engineering through his innovative patents and collaborative efforts. His work not only enhances engine performance but also addresses critical environmental concerns, showcasing his impact on modern engineering practices.