Kenichi Yamamoto, Father of Mazda's Rotary Engine, Is Dead at 95 - The New York Times

Mazda RX-VISION Rotary Sports Car Concept, Page 3

Kenichi Yamamoto, Father Of The Mazda Rotary Engine, Passes Away At 95 - autoevolution

Car Spy Shots, News, Reviews, and Insights - Motor Authority

PDF) Recent studies on hydrogen usage in Wankel SI engine

PDF) Recent studies on hydrogen usage in Wankel SI engine

Mazda RX-VISION Rotary Sports Car Concept, Page 3

PDF) Recent studies on hydrogen usage in Wankel SI engine

RIP Kenichi Yamamoto, Father of the Mazda Rotary Engine, 1922-2017

PDF) Recent studies on hydrogen usage in Wankel SI engine

Vale Kenichi Yamamoto, the Man Who 'Made' Mazda - The Motor Muse

Kenichi Yamamoto, architect of the Mazda rotary, dies at 95

Remembering Kenichi Yamamoto, patron saint of the rotary engine - Hagerty Media