Location History:
- Okazaki, JP (1990)
- Aichi, JP (1992)
Company Filing History:
1 out of 1,625 
1 out of 26 
Years Active: 1990-1992
Title: Eiichi Koujina: Innovator in Ignition Timing Control
Introduction
Eiichi Koujina is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of internal combustion engines, particularly in ignition timing control. With a total of 2 patents, his work has had a lasting impact on automotive technology.
Latest Patents
Koujina's latest patents include an ignition timing controller for spark-ignition internal combustion engines. This innovative controller is designed to set the ignition timing based on the engine's operational state. It features a device that estimates the wall temperature of the combustion chamber and another that calculates the ignition timing accordingly. Additionally, he developed a method for determining combustion conditions in spark ignition internal combustion engines. This method involves detecting a physical value associated with combustion, calculating the heat evolution rate, and adjusting the combustion condition based on the heat evolution rate's falling area.
Career Highlights
Throughout his career, Koujina has worked with prominent companies such as Mitsubishi Jidosha Kogyo Kabushiki Kaisha and Mitsubishi Jidosha Kogyo K.K. His experience in these organizations has allowed him to refine his expertise in engine technology and innovation.
Collaborations
Koujina has collaborated with notable colleagues, including Yoshiaki Danno and Kazuhide Togai. Their combined efforts have contributed to advancements in the automotive industry.
Conclusion
Eiichi Koujina's contributions to ignition timing control and internal combustion engine technology highlight his role as a significant inventor in the automotive field. His innovative patents continue to influence engine performance and efficiency.