Fuji Xerox Co., Ltd.

Masayuki Kurimoto

Takashi Imai

Yu Tsuda

Koichiro Shinohara

Susumu Saito

Hideyuki Akagi

An image pickup apparatus includes an image data acquisition part that acquires image data obtained by photographing a subject, a subject ID acquisition part that acquires, on the basis of a signal obtained from the subject, a subject ID to identify the subject, and a memory that stores the image data acquired by the image data acquisition part and the subject ID acquired by the subject ID acquisition part, the image data and the subject ID being related. A subject ID adding method includes acquiring image data obtained by photographing a subject, acquiring, on the basis of a signal obtained from the subject, a subject ID to identify the subject, and connecting the image data and the subject ID to store them.

Image pickup apparatus and subject ID adding method

An electrophotographic toner composition comprising toner particles containing at least a colorant, a binder resin and an additive, and an image formation method using the toner composition are disclosed, wherein said additive is an additive prepared by surface-treating titanium dioxide fine particles having less than 0.2% by weight of a water-soluble content with a surface treating agent by a wet process. The toner composition is excellent in chargeability, environmental stability of charging, toner admixing properties, and durability. The toner composition hardly adheres to a contact charging member and, even if it does, it causes no reduction in charging performance of the contact charging member and provides a satisfactory image.

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Minami-ashigara, Japan

Masayuki Kurimoto