Keiichi Koseki

Investigations of the impact of 10% ethanol blended fuels on performances of sold gasoline vehicles in the Japanese market already on the road in Japan

Atsushi Kameoka, Keiichi Koseki, Hiroshi Tsuda, 2011 .

Improvement of Repeatability in Tailpipe Emission Measurement with Direct Injection Spark Ignition (DISI) Vehicles

Keiichi Koseki, Yutaka Yamagishi, Junichi Nishimura, 2002 .

Study of the Impact of High Biodiesel Blends on Engine Oil Performance

Keiichi Koseki, Ken-ichi Okamoto, Kiminobu Hirata, 2011 .