Company Filing History:
9 out of 13,408 
1 out of 832,843 Years Active: 2001-2016
Title: Innovations of Masaki Koga: A Pioneer in Internal Combustion Engine Technology
Introduction
Masaki Koga, based in Yokohama, Japan, is recognized for his significant contributions to the field of internal combustion engine technology. With a portfolio of 10 patents, Koga has been instrumental in innovating methods that enhance engine performance while addressing environmental concerns.
Latest Patents
Among his latest innovations are two noteworthy patents:
1. **Spark ignition internal combustion engine and control method of spark ignition internal combustion engine** - This invention features an exhaust gas reflux device that reintroduces purified exhaust gas to the intake passage. It includes an ignition timing control means that adjusts the ignition timing to prevent knocking based on the NOx concentration in the exhaust gas. Additionally, it integrates a NOx concentration estimation means and a purification performance reduction determination means to optimize engine performance.
2. **EGR gas cooling device for hybrid vehicle and EGR gas cooling method for hybrid vehicle** - This patent describes a system designed for hybrid vehicles that cools exhaust gas recirculated to the intake passage. Utilizing a refrigerant in a dedicated cooling circuit for the motor, the EGR cooler significantly enhances the efficiency of hybrid vehicles by improving the cooling of EGR gas.
Career Highlights
Koga's professional journey includes a tenure at Nissan Motor Company Limited, where he developed several groundbreaking technologies in the automotive sector. His work has focused on enhancing the efficiency and performance of combustion engines through innovative engineering solutions.
Collaborations
Throughout his career, Masaki Koga has worked closely with esteemed colleagues, including Yoshiyuki Ootake and Yasuji Ishizuka. Their collaborative efforts have led to advancements in engine technology, fostering the development of cleaner and more efficient systems.
Conclusion
Masaki Koga stands out as a notable inventor in the automotive industry, with his patents serving as critical advancements in internal combustion engine technology. His work not only enhances vehicle performance but also contributes to reducing environmental impact, reflecting the ongoing evolution within the field of automotive engineering.