Location History:
- Hitachi, JP (1998 - 2005)
- Ishioka, JP (2007)
- Mito, JP (2011 - 2016)
- Ibaraki, JP (2018)
Company Filing History:
11 out of 42,508 
6 out of 248 
2 out of 2,028 
Years Active: 1998-2018
Title: The Innovative Mind of Eisaku Fukuchi
Introduction
Eisaku Fukuchi, a talented inventor based in Mito, Japan, has made significant contributions to the field of engine control technologies. With a remarkable portfolio of 14 patents, his innovative designs are recognized for their ability to enhance engine stability and efficiency.
Latest Patents
Among Fukuchi's latest inventions is a control device and method for engines that prevents the deterioration of stability, even when variations occur in the fuel injection characteristics of each valve. The invention employs an inter-cylinder air-fuel ratio variation detection unit, which calculates an air-fuel ratio variation index (Ind_imb) to identify discrepancies between cylinders based on parameters such as exhaust air-fuel ratio and engine rotation speed. By establishing a threshold value for the air-fuel ratio variation index, the device adjusts the fuel injection pulse width to maintain optimal performance.
Furthermore, another notable patent involves a comprehensive control device designed to monitor the engine’s efficiency, combustion stability, and HC discharged quantity. This device provides notifications if the engine's performance strays from its predetermined efficiency and stability region, thereby ensuring superior operational standards from the moment the engine starts.
Career Highlights
Fukuchi's career has been marked by his association with prestigious companies such as Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd. His work in these organizations has laid the groundwork for many of his patents, reflecting his commitment to advancing automotive technology.
Collaborations
Throughout his career, Fukuchi has collaborated with notable coworkers, including Akihito Numata and Toshio Ishii. These partnerships have enriched his experience and contributed to the innovative breakthroughs in his portfolio, culminating in a series of impactful inventions.
Conclusion
Eisaku Fukuchi stands out as a forward-thinking inventor whose contributions to engine control technologies have positioned him as a key figure in the automotive industry. His extensive list of patents not only showcases his technical expertise but also emphasizes the importance of innovation in achieving efficient and stable engine performance. As the automotive sector continues to evolve, Fukuchi's work remains a pivotal influence.