is a Japanese journalist and writer. In 1995, he also became the founder of the Japanese men's liberation organization Men's Lib Tokyo.
After his graduation from Waseda University, he went to New York City and worked as a reporter. He wrote books about domestic violence and child abuse in Japan. He leads men's liberation in Tokyo now.
Toyoda also complained about the "Yellow cab" controversy.
He wrote a book about serial killer Futoshi Matsunaga and his common-law wife Junko Ogata because their relationships seemed to be domestic violence.