It is said that Ryoichi HOSOMI claimed that 'Buddhist paintings of Fujiwara Period Japan are the greatest in the world,' and 'Because I learned about metal crafts before collecting works of art, I can tell superior from things of inferior design,' and certainly those Buddhist paintings, and metal works, such as Buddhist altar fittings and Dokyo (bronze mirrors), within his collection are outstanding.
細見亮市は「世界最高の美術品は日本の藤原時代の仏画だ」「自分は金属工芸からこの道に入ったのでものの形の厳しさと甘さがわかる」と主張していたといい、事実、コレクションのなかでも仏教絵画や仏具、銅鏡などの金工品は傑出している。