发明授权
US07327973B2 Image forming apparatus, method for forming an image, computer-readable storage medium, and computer system
失效
图像形成装置，图像形成方法，计算机可读存储介质和计算机系统
- 专利标题： Image forming apparatus, method for forming an image, computer-readable storage medium, and computer system
- 专利标题（中）： 图像形成装置，图像形成方法，计算机可读存储介质和计算机系统
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申请号： US11741574申请日： 2007-04-27
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公开(公告)号： US07327973B2公开(公告)日： 2008-02-05
- 发明人: Yoichi Yamada , Takayuki Shiraki , Tatsuro Osawa
- 申请人： Yoichi Yamada , Takayuki Shiraki , Tatsuro Osawa
- 申请人地址： JP Tokyo
- 专利权人： Seiko Epson Corporation
- 当前专利权人： Seiko Epson Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2002-351697 20021203; JP2003-016647 20030124; JP2003-016648 20030124
- 主分类号： G03G15/01
- IPC分类号： G03G15/01
摘要：
An image forming apparatus comprises an image bearing member on which a latent image is formed, a plurality of developing devices for developing the latent image, each of the developing devices containing developer, and a turnable turning member on which the plurality of developing devices are mounted. The turning member is caused to turn based on a turn history of the turning member.