Ricoh Company, Ltd.

Teruyuki Suzuki

Kazumi Suzuki

Hisashi Nakajima

Yoshitaka Yamauchi

Akihiro Kaneko

Kohtaroh Ogino

Namie Suzuki

Provided is a toner including toner particles, each toner particle includes: a base particle including a binder resin; and external additive particles, wherein the external additive particles include particles each having an equivalent circle diameter of 10 nm or greater, a volume average particle diameter of the particles each having an equivalent circle diameter of 10 nm or greater is 80 nm or greater but 140 nm or less, and a ratio (circumscribed circle area/particle area) of a circumscribed circle area of the particle having an equivalent circle diameter of 10 nm or greater to a particle area of the particle having an equivalent circle diameter of 10 nm or greater is 1.60 or greater but 2.60 or less.

Growing community of inventors

Shizuoka, Japan

Teruyuki Suzuki