Canon Kabushiki Kaisha

Ryuji Araki

Kenji Matsuda

Shinichi Sasaki

Atsushi Kubota

Yoshiya Nomura

Yoshinori Sugiura

Hideshi Kawaguchi

Kouji Miura

Hiroaki Miyake

Koji Miura

A resin product has at least two resin molded parts and a recyclable part as constituent parts. The resin product is provided with a material layer easy to cut by a laser and a material layer difficult to cut by the layer, the material layer difficult to cut by the laser being disposed so that the recyclable part may not be cut by the use of the laser, the material layer easy to cut by the laser being constructed so as to be capable of being cut by the laser.

Resin product, method of disassembling the resin product, process cartridge, method of disassembling the process cartridge, and electrophotographic image forming apparatus

A photosensitive drum usable with an image forming apparatus includes a cylindrical member having a photosensitive material at its surface; and juxtaposed helical gear and spur gear at a longitudinal end of the cylindrical member.

Photosensitive drum, process cartridge and image forming apparatus

A developing sleeve including a cylindrical portion having a circular cross-sectional shape, and a non-cylindrical portion having a non-circular cross-sectional shape integral with the cylindrical portion, is disclosed, for use in a developing device.

Developing sleeve having a cylindrical portion and a non-cylindrical

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Kawasaki, Japan

Ryuji Araki