[8] He was the right-hand person of Tsumaki Yorinaka, called one of "Three Great Masters"[9] in Meiji Era together with Tatsuno Kingo and Katayama Tōkuma, who was the high-level official with supreme power in the Bureau of building and repairs of Ministry of Finance.

[8] In 1902, he was appointed by Ministry of Agriculture and Commerce as a member of Preparatory Committee for the US Expo, went to the United States in order to select the premises for Louisiana Purchase Exposition in 1902 and came back to Japan in March, 1903.

[8] Again in 1908, he was ordered to make on an official trip in order to survey government buildings in western countries, firstly left for the US, Washington and state capitols, went to Europe such as Great Britain, Germany, France, Italy, Switzerland, Austria and Russia after Canada to study architectural history and the method of design and supervision.

[8] On May 24, 1927, Kenkichi Yabashi suddenly died of intercerebral hemorrhage at his home in Shibuya at the age of 58 without seeing the completion of National Diet Building which was formally designed by the Bureau of building and repairs of Ministry of Finance based on prize competition design as advocated by Tatsuno Kingo and completed in 1936 over 17 years.

[8] When Kenkichi Yabashi died, he was assigned to Senior Third Rank and awarded the Order of the Rising Sun, Gold and Silver Star, Second Class together with two volumes of white silk due to the merit while he was alive from Shōwa Emperor.