Assignee
OHKEN SEIKO CO LTD
JP·4 granted patents·147 citations·filing 1987–1999
Top patents by PatentIndex Score
4 records- 0176US6264438B1Reciprocating pump having a ball driveOHKEN SEIKO CO LTD·Filed 1999·Granted Jul 24, 2001·34 cites·8 claims
- 0266US4801249ASmall-sized pumpOHKEN SEIKO CO LTD·Filed 1987·Granted Jan 31, 1989·92 cites·14 claims
- 0349US6158971APumpOHKEN SEIKO CO LTD·Filed 1999·Granted Dec 12, 2000·13 cites·8 claims
- 0435US5314302ACentrifugal pump for supplying hot liquid from a containerOHKEN SEIKO CO LTD·Filed 1993·Granted May 24, 1994·8 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when OHKEN SEIKO CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →