This inventor holds 34 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 17 EPO patents, primarily in Automotive Engineering. Top assignees: Toyota Jidosha Kabushiki Kaisha, Subaru Corporation, Resonac Corporation. Active years: 1989-2026.
Location History:
- Susono, JP (1989 - 1990)
- Toyota, JP (2003 - 2008)
- Mishima, JP (2001 - 2016)
- Tokyo, JP (2023)
Company Filing History:
27 out of 38,774 
7 out of 2,416 
2 out of 393 
Years Active: 1989-2026
Areas of Expertise:
Title: Kotaro Hayashi: Innovating Internal Combustion Engine Technologies in Japan
Introduction
Kotaro Hayashi, an inventive mind based in Mishima, Japan, has made significant contributions to the field of automotive technology. With an impressive portfolio of 25 patents, he is a key player in advancing the efficiency and environmental performance of internal combustion engines.
Latest Patents
Among his latest innovations, Hayashi has developed a **Control Apparatus for an Internal Combustion Engine**. This apparatus employs a dummy determination processing mechanism to ascertain the mounting location of the selective catalytic reduction catalyst within the exhaust passage. By analyzing the temperature differences of the exhaust gas before and after the catalyst’s location, this technology ensures optimal performance by determining when the catalyst reaches effective operating temperatures.
In addition, he has created an **Exhaust Gas Purification Apparatus for Internal Combustion Engines**. This design includes a fuel addition valve that disperses fuel into the exhaust in fine droplets, alongside upstream and downstream NOx adsorption-reduction catalysts. By skillfully utilizing noble metals such as platinum and palladium, Hayashi's apparatus effectively enhances the NOx purification process, increasing the catalyst's efficiency even under low-temperature conditions.
Career Highlights
Kotaro Hayashi has built his career at Toyota Jidosha Kabushiki Kaisha, one of the world’s leading automotive manufacturers. His dedication to improving engine technologies is evident in his numerous patents, which reflect his commitment to innovation within the automotive industry.
Collaborations
Working alongside talented colleagues, including Kohei Yoshida and Shinya Hirota, Hayashi has contributed to a collaborative environment that fosters inventive solutions. The teamwork and shared expertise among these professionals have bolstered the development of advanced technologies in internal combustion engines.
Conclusion
As a recognized inventor, Kotaro Hayashi continues to push the boundaries of automotive technology in Japan. His inventions not only enhance the performance and efficiency of vehicles but also play a crucial role in reducing emissions, supporting a greener future for the automotive industry.