INTRODUCTION Yasuzaemon Matsunaga (Jian) Yasuzaemon Matsunaga (1875-1971), the "King of Electricity," was a major figure in the Japanese electric power industry before and after the World War II. He was well versed in tea ceremony, who built a tea room, Yanaze Sanso, also known as Jian, and was known as one of the three tea masters of Odawara. Matsunaga held many tea ceremonies in his tea room, inviting famous tea masters, politicians, scholars, painters, industrialists, etc. In addition to tea tasting, Ikebana, and unique rituals of the tea ceremony, exquisite tea utensils were a major focus of the tea ceremonies. His tea wares collections started before the war were mainly donated to the Tokyo National Museum, while those collected after the war were donated to the Fukuoka Art Museum. Tamisuke Yokogawa, his wife (Shizue) Born in 1864, Tamisuke Yokogawa designed a building called "Tokyo City Building". Because of the influence of Prof. Ohkawa, Tamisuke Yokogawa became interested in Chinese porcelain. At the same time, he often flied to Europe and the United States for business travels, and after visiting Chinese art exhibition halls of major museums in Europe and the United States, Tamisuke Yokogawa decided to embark on the path of collecting Chinese porcelain. Tamisuke Yokogawa's wife Shizue Tanahashi is the second daughter of Japanese sinologist Shoson Tanahashi. Since her childhood by the family’s cultivation, she had great art attainments, especially expertising in ceramics appreciation. Therefore, Mr. and Mrs. Yokogawa reached a consensus in collecting Chinese ceramics, began to construct the Chinese ceramics collection belongs to Yokogawa family. Fukkosai Hirota Fukkosai Hirota (1897-1973) was a Japanese antique art dealer and collector active from the Taisho to Showa reigns. His real name was Matsushige Hirota. Co-founder of the Tokyo antique art store "Kochukyo" in Nihonbashi. Denbei Kamiya Denbei Kamiya, the sixth son of Heisuke Kamiya, was born in 1856 in a village of Matsukishima, Hazu-gun, Mikawa-kuni, in the year of 1880, opened a wine shop in Asakusa called "Sansho Meisho Saketan," where they reproduced imported wines to produce sweet wines for the Japanese tastes. This was a great success at that time, and in 1886 (19th year of the Meiji reign) they were well-known for their "Hachi-Koyama Budojutsu". In March of 1901 (34th year of Meiji reign), Denbei embarked the career of a full-fledged winery, the Ushiku Winery (now Ushiku Castle). Among many donations from Denbei Kamiya, the one that attracted public attention the most was in 1919, he donated all 668 domestic works of art and antiques to the Tokyo Imperial Museum (now the Tokyo National Museum).