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Legal status
Patent not validated
| (51) | INT.CL. | G03G 15/08 |
| (11) | Number of the document | 2657786 |
| (13) | Kind of document | T |
| (96) | European patent application number | 13162723.4 |
| Date of filing the European patent application | 2013-04-08 | |
| (97) | Date of publication of the European application | 2013-10-30 |
| (45) | Date of publication and mention of the grant of the patent | 2020-01-15 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 2012100955 | 2012-04-26 | JP | |
| 2012100957 | 2012-04-26 | JP |
| (72) |
Hayashi, Kodai, JP
Mitsui, Yoshihiro, JP
Yoshida, Nobuyoshi, JP
Taniguchi, Hisashi, JP
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| (73) |
Canon Kabushiki Kaisha,
30-2, Shimomaruko 3-chome, Ohta-ku,, Tokyo 146-8501,
JP
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| (54) | Developing device, process cartridge, and image forming apparatus |
| Developing device, process cartridge, and image forming apparatus |