Assignee
AIOI SEIKI KK
17 granted patents·561 citations·filing 1976–1994
Top patents by PatentIndex Score
17 records- 0197US4557371AWork-clamp pallet for machine toolAIOI SEIKI KK·Filed 1982·Granted Dec 10, 1985·72 cites·20 claims
- 0293US4597709ATransferring device for dies and the likeAIOI SEIKI KK·Filed 1983·Granted Jul 1, 1986·54 cites·4 claims
- 0393US4449907ADies exchanging device for a machine using diesAIOI SEIKI KK·Filed 1983·Granted May 22, 1984·66 cites·7 claims
- 0490US4830337ADevice for pushing and pulling an accessory instrument of manufacturing plantAIOI SEIKI KK·Filed 1985·Granted May 16, 1989·93 cites·16 claims
- 0589US4042311APump fluid motor carrying spool valve for distributor valve actuationAIOI SEIKI KK·Filed 1976·Granted Aug 16, 1977·46 cites·7 claims
- 0686US5018617AWorkpiece pallet changer for machine toolsAIOI SEIKI KK·Filed 1990·Granted May 28, 1991·56 cites·13 claims
- 0782US4520919AWork-clamp pallet for machine toolAIOI SEIKI KK·Filed 1982·Granted Jun 4, 1985·41 cites·15 claims
- 0880US4085669AOverload protector for mechanical pressAIOI SEIKI KK·Filed 1976·Granted Apr 25, 1978·20 cites·4 claims
- 0978US4489927ASlide wedge clampAIOI SEIKI KK·Filed 1982·Granted Dec 25, 1984·32 cites·6 claims
- 1067US4506871ARetracting clampAIOI SEIKI KK·Filed 1983·Granted Mar 26, 1985·20 cites·8 claims
- 1163US4445675AWork-clamping unit for use in machine toolsAIOI SEIKI KK·Filed 1981·Granted May 1, 1984·18 cites·10 claims
- 1262US5226637AClamping deviceAIOI SEIKI KK·Filed 1992·Granted Jul 13, 1993·23 cites·16 claims
- 1349US4524660APneumatic-hydraulic driving device for the knockout mechanism associated with the slide of a press-machineAIOI SEIKI KK·Filed 1983·Granted Jun 25, 1985·10 cites·10 claims
- 1443US5199692AClamp device drive apparatusAIOI SEIKI KK·Filed 1991·Granted Apr 6, 1993·7 cites·3 claims
- 1531US5184537AClamp device drive apparatusAIOI SEIKI KK·Filed 1992·Granted Feb 9, 1993·2 cites·3 claims
- 1630US5520377AClamping deviceAIOI SEIKI KK·Filed 1994·Granted May 28, 1996·0 cites·8 claims
- 1730US5397114AClamping deviceAIOI SEIKI KK·Filed 1993·Granted Mar 14, 1995·1 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →