Yasuo Takei died in 2006.
Yasuo Takei was born in 1930.
Yasuo Kuniyoshi died in 1953.
Yasuo Segawa died in 2010.
Yasuo Maekawa died in 2003.
Yasuo Koyama died in 2000.
Yasuo Yamada died in 1995.
Yasuo Ikenaka died in 1992.
Yasuo Matsukawa died on October 11, 2006.
Yasuo Hisamatsu died on June 15, 1982.
Kei Takei is alive and well and living in Tokyo, Japan
Yasuo Yamayoshi died on September 14, 2006, in Kodaira, Tokyo, Japan of aneurysm.
Yasuo Iwata died on October 24, 2009, in Musashino, Tokyo, Japan of lung cancer.