Founded in 1972, Yamamoto is a renowned Japanese paper wholesaler and original stationery brand based in Osaka. Since 2005, Yamamoto has been crafting premium and unique paper products—today, they are known as the ultimate fountain pen friendly paper brand. Their loose sheets and notepads are mainly suitable for use with calligraphy brushes, resistant to bleed-through and feathering, can handle a variety of inks, and are acid-free.