Location History:
- Otokuni, JP (1988 - 1991)
- Kyoto, JP (1994)
- Tokyo, JP (1998 - 2004)
- Okazaki, JP (1995 - 2011)
Company Filing History:
16 out of 1,625 
2 out of 105 
1 out of 26 
Years Active: 1988-2011
Title: Kazuo Koga: Innovator in Exhaust Gas Purification Technology
Introduction
Kazuo Koga is a distinguished inventor based in Okazaki, Japan, known for his innovative contributions to internal combustion engine technology. With a remarkable portfolio of 19 patents, Koga has significantly impacted the field of exhaust gas purification, enhancing environmental sustainability in automotive applications.
Latest Patents
Among Koga's latest inventions are two patents focused on exhaust gas purification devices for internal combustion engines. The first patent presents a device that features an exhaust passage equipped with a catalyst. This design includes a bend that causes the exhaust gas to collide against a corner portion of the catalyst’s inlet. This collision increases pressure at the corner, optimizing the catalytic process. Additionally, an additive injection valve is strategically positioned to inject additives in a manner that enhances their effectiveness in purifying exhaust gases.
The second patent also details a purification device, comprising an exhaust passage that directs exhaust gases to the outside, a catalyst within that passage, and an injection path that connects to the upstream side of the catalyst. An injection valve is utilized to introduce an additive to the catalyst, with an inflow portion allowing some exhaust gas to flow into this injection path, enhancing the purification process.
Career Highlights
Kazuo Koga has made significant contributions to automotive engineering during his tenure at Mitsubishi Jidosha Kogyo Kabushiki Kaisha (commonly referred to as Mitsubishi Motors) and Mitsubishi Jidosha Engineering Kabushiki Kaisha. His work at these esteemed companies allowed him to develop and file numerous patents that address critical issues in emissions control.
Collaborations
Throughout his career, Koga has worked alongside notable colleagues, such as Kojiro Okada and Yoshiaki Danno. These collaborations have fostered an environment of innovation, leading to advancements in technologies that promote cleaner automotive practices.
Conclusion
Kazuo Koga's inventive spirit and dedication to refining exhaust gas purification technology make him a prominent figure in the industry. His 19 patents not only reflect his expertise but also his commitment to reducing the environmental impact of internal combustion engines. As the push for cleaner technologies continues, Koga's contributions will undoubtedly play a critical role in shaping the future of automotive engineering.