Assignee
KEYTECH CO LTD
JP·2 granted patents·19 citations·filing 2000–2001
Top patents by PatentIndex Score
2 records- 0176US6374071B1Charging unit, a manufacturing method thereof, a charging device using the charging unit, and a transfer device using the sameKEYTECH CO LTD·Filed 2000·Granted Apr 16, 2002·15 cites·21 claims
- 0250US6493526B2Restoration method for a charging roller, a charging roller restored by the method and a process cartridge installed in the restored charging rollerKEYTECH CO LTD·Filed 2001·Granted Dec 10, 2002·4 cites·24 claims
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