Development of the Lead-Free Carbon Brush Material for Starters. - Ryoichi Honbo; Koichiro Sawa; Youichi Murakami; Hiroyuki Wakabayashi; Naruhiko Inayoshi; Kyoji Inukai; Takeshi Shimoyama; Naoki Morita (IEICE Trans. Electron., 2005)

Characteristics of Arc-Reducing Effect by Capacitor in Commutation Circuit. - Ryoichi Honbo; Youichi Murakami; Hiroyuki Wakabayashi; Shinji Ueda; Kenzo Kiyose; Naoki Kato (IEICE Trans. Electron., 2006)

Development of the Lead-Free Brush Material for the High-Load Starter. - Ryoichi Honbo; Youichi Murakami; Koichiro Sawa; Hiroyuki Wakabayashi; Naruhiko Inayoshi; Kyoji Inukai; Takeshi Shimoyama; Naoki Morita (IEICE Trans. Electron., 2007)