1906	Born in Inbe, Bizen City.
1921	Started making pottery.
1938	Studied pottery under Yaichi Kusube.
1959	Designated as a “Preserver of Important Intangible Cultural Treasure”,in Okayama Prefecture. Acknowledged as a regular member of the Japan Industrial Art Institution. Won a Gold Prize at World Expo in Brussels.
1970	Acknowledged as a director of the Japan Industrial Art Institution.
1972	Received a Merit of Culture from Okayama Prefecture.
1974	Mainichi Newspaper Company published “Bizen–Works of Toshu Yamamoto.”
1975	Received a Merit of Culture from Sanyo Newspaper Company. Received the Miki Memorial Award from Okayama Prefecture.
1976	Received a Merit of Public Contribution from Bizen City. Received the Medal with a Purple Ribbon (for contributions to educationand culture) from the Prime Minister’s office.
1977	Received a Merit of Art from Mainichi Newspaper Company.
1979	Presented a “Triangular Flower Vase with Cascading ‘Goma’(natural ash glaze)” to the Ise Shrine.
1980	Presented a flower vase to King Juan Carlos I and Queen Sophia of Spain.
1981	Presented a “Round Vase with Cascading ‘Goma’ to the Imperial Palace of Japan.
1982	Receivel the Order of the Sacred Treasure from the Prime Minister’s office.
1986	Held a solo exhibition commemorating his 80th birthday.
1987	Designated as a “Preserver of Important Intangible Cultural Treasure”of Japan–a “Living National Treasure”.
1991	Designated as a honorary citizen of Bizen City.
1992	Sanyo Newspaper Company published “A Living National Treasure of Bizen–Toshu yamamoto”. Held a solo exhibition “Trip to the 6 Ancient Kilns”, commemorating his 88th birthday.
1993	Died on April 22. Received the Order of the Rising Sun, Gold Rays with Rosette from the Prime Minister’s Office.