Inventor · disambiguated record
Seiji Takei
Also filed as: TAKEI SEIJI
44 granted patents·1,127 citations·filing 1987–2003
99Inventor score
Top patents by PatentIndex Score
44 records- 0193US5207115AX-y drive apparatusNIPPON THOMPSON CO LTD·Filed 1992·Granted May 4, 1993·56 cites·9 claims
- 0293US4763886AXY-positioning tableNIPPON THOMPSON CO LTD·Filed 1987·Granted Aug 16, 1988·50 cites·7 claims
- 0390US5606256ALinear encoder and a guide unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1995·Granted Feb 25, 1997·79 cites·8 claims
- 0487US5613403ADrive apparatus equipped with a ball screw and an XY drive apparatus containing said drive apparatusNIPPON THOMPSON CO LTD·Filed 1995·Granted Mar 25, 1997·42 cites·24 claims
- 0586US5831352ADrive apparatus of a direct current linear motor having two or more movable tablesNIPPON THOMPSON CO LTD·Filed 1998·Granted Nov 3, 1998·62 cites·2 claims
- 0686US5647245ADrive apparatus having a ball screw using ultrasonic motors concentric with its nutsNIPPON THOMPSON CO LTD·Filed 1995·Granted Jul 15, 1997·41 cites·11 claims
- 0785US7029750B2Thermoplastic resin composition and production method thereofMITSUBISHI RAYON CO·Filed 2003·Granted Apr 18, 2006·35 cites·11 claims
- 0885US5684344ADrive unitNIPPON THOMPSON CO LTD·Filed 1994·Granted Nov 4, 1997·56 cites·5 claims
- 0981US5701042ALinear direct current motorNIPPON THOMPSON CO LTD·Filed 1995·Granted Dec 23, 1997·50 cites·7 claims
- 1081US5357158ADirect current linear motor and a direct drive unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1993·Granted Oct 18, 1994·36 cites·4 claims
- 1178US5411334ARolling guide unitNIPPON THOMPSON CO LTD·Filed 1994·Granted May 2, 1995·33 cites·8 claims
- 1271US5575565ARolling guide unitNIPPON THOMPSON CO LTD·Filed 1994·Granted Nov 19, 1996·26 cites·12 claims
- 1371US5326335ADrive apparatusNIPPON THOMPSON CO LTD·Filed 1992·Granted Jul 5, 1994·27 cites·8 claims
- 1470US5565718ADirect current linear motor and a guide unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1994·Granted Oct 15, 1996·32 cites·11 claims
- 1570US5357819ADrive apparatusNIPPON THOMPSON CO LTD·Filed 1992·Granted Oct 25, 1994·22 cites·13 claims
- 1670US5216932AX-y drive apparatusNIPPON THOMPSON CO LTD·Filed 1991·Granted Jun 8, 1993·20 cites·2 claims
- 1769US5540113ADrive apparatus equipped with a ball screwNIPPON THOMPSON CO LTD·Filed 1994·Granted Jul 30, 1996·21 cites·5 claims
- 1869US5302873ALinear pulse motor having a high resolutionNIPPON THOMPSON CO LTD·Filed 1992·Granted Apr 12, 1994·25 cites·6 claims
- 1967US5229669ACompact linear motor drive unitNIPPON THOMPSON CO LTD·Filed 1991·Granted Jul 20, 1993·30 cites·12 claims
- 2066US6391976B1Processing aid for foam molding use and vinyl chloride resin composition containing the sameMITSUBISHI RAYON CO·Filed 1999·Granted May 21, 2002·26 cites·8 claims
- 2166US5530303ALinear direct current motorNIPPON THOMPSON CO LTD·Filed 1994·Granted Jun 25, 1996·28 cites·11 claims
- 2265US5359245AGuide unit and a direct drive unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1993·Granted Oct 25, 1994·27 cites·8 claims
- 2364US5789892AXY drive apparatus equipped with a linear electromagnetic actuatorNIPPON THOMPSON CO LTD·Filed 1996·Granted Aug 4, 1998·33 cites·1 claims
- 2464US5476324ASpline bearingNIPPON THOMPSON CO LTD·Filed 1994·Granted Dec 19, 1995·20 cites·12 claims
- 2561US5373754ABall screwNIPPON THOMPSON CO LTD·Filed 1993·Granted Dec 20, 1994·25 cites·4 claims
- 2661US4916963AMoving table unitNIPPON THOMPSON CO LTD·Filed 1988·Granted Apr 17, 1990·17 cites·2 claims
- 2760US5473992ABraking apparatus and a drive unit equipped with said apparatus and a linear motorNIPPON THOMPSON CO LTD·Filed 1994·Granted Dec 12, 1995·23 cites·5 claims
- 2858US5292211ADrive apparatus and XY drive apparatus on which it is equippedNIPPON THOMPSON CO LTD·Filed 1993·Granted Mar 8, 1994·17 cites·7 claims
- 2956US5513916ALinear motion rolling guide unit having mounting arrangement adapted to eliminate track deformationNIPPON THOMPSON CO LTD·Filed 1994·Granted May 7, 1996·16 cites·2 claims
- 3056US5416396ALinear encoder and a guide unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1993·Granted May 16, 1995·16 cites·7 claims
- 3155US5675195ALinear electromagnetic actuator and a drive unit on which it is equippedNIPPON THOMPSON CO LTD·Filed 1995·Granted Oct 7, 1997·19 cites·14 claims
- 3250US5345832ADrive apparatusNIPPON THOMPSON CO LTD·Filed 1993·Granted Sep 13, 1994·12 cites·4 claims
- 3350US5326197ADrive apparatusNIPPON THOMPSON CO LTD·Filed 1993·Granted Jul 5, 1994·13 cites·9 claims
- 3450US4897588ADouble motor feed control systemNIPPON THOMPSON CO LTD·Filed 1988·Granted Jan 30, 1990·14 cites·14 claims
- 3548US5648691ALinear direct current motorNIPPON THOMPSON CO LTD·Filed 1995·Granted Jul 15, 1997·14 cites·4 claims
- 3646US5505104ADrive apparatus and XY table on which it is equippedNIPPON THOMPSON CO LTD·Filed 1994·Granted Apr 9, 1996·8 cites·6 claims
- 3744US5713136AObject measuring apparatusNIPPON THOMPSON CO LTD·Filed 1995·Granted Feb 3, 1998·11 cites·14 claims
- 3841US5696411ALinear direct current motorNIPPON THOMPSON CO LTD·Filed 1995·Granted Dec 9, 1997·10 cites·3 claims
- 3941US5388914ALinear motion rolling guide unitNIPPON THOMPSON CO LTD·Filed 1993·Granted Feb 14, 1995·8 cites·3 claims
- 4041US5344237ALinear motion rolling contact guide unit having opposite roller and ball contactsNIPPON THOMPSON CO LTD·Filed 1993·Granted Sep 6, 1994·10 cites·8 claims
- 4141US5217214APositioning table assemblyNIPPON THOMPSON CO LTD·Filed 1991·Granted Jun 8, 1993·7 cites·7 claims
- 4236US5649769ALinear motion rolling guide unitNIPPON THOMPSON CO LTD·Filed 1996·Granted Jul 22, 1997·5 cites·9 claims
- 4332US5261860ADrive apparatusNIPPON THOMPSON CO LTD·Filed 1992·Granted Nov 16, 1993·2 cites·12 claims
- 4430US5469030ADirect current motor drive apparatusNIPPON THOMPSON CO LTD·Filed 1993·Granted Nov 21, 1995·3 cites·8 claims
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