Inventor · disambiguated record
Kozo Matake
Also filed as: MATAKE KOZO
14 granted patents·5 pending applications·394 citations·filing 1985–2021
93Inventor score
Top patents by PatentIndex Score
19 records- 0197US5846062ATwo stage screw type vacuum pump with motor in-between the stagesEBARA CORP·Filed 1997·Granted Dec 8, 1998·163 cites·9 claims
- 0288US5923108ACanned motorEBARA CORP·Filed 1997·Granted Jul 13, 1999·71 cites·18 claims
- 0381US5779453AVacuum pump motor arrangement having reduced heat generationEBARA CORP·Filed 1997·Granted Jul 14, 1998·52 cites·6 claims
- 0471US6902380B2Vacuum pump with pump rotor pairs and permanent magnet motorEBARA CORP·Filed 2002·Granted Jun 7, 2005·17 cites·7 claims
- 0568US8251678B2Vacuum pump unitHOZUMI TAKASHI·Filed 2007·Granted Aug 28, 2012·7 cites·19 claims
- 0668US5814913AMultishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1995·Granted Sep 29, 1998·22 cites·6 claims
- 0764US11863025B2Resin molded rotor, canned motor, canned motor pump, fan scrubber, and vacuum pump apparatusEBARA CORP·Filed 2021·Granted Jan 2, 2024·0 cites·8 claims
- 0862US5209579AThrust bearing deviceEBARA CORP·Filed 1989·Granted May 11, 1993·20 cites·8 claims
- 0960US6761542B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2002·Granted Jul 13, 2004·6 cites·4 claims
- 1057US6447271B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2000·Granted Sep 10, 2002·5 cites·2 claims
- 1153US7338266B2Screw pump and method of operating the sameEBARA DENSAN LTD·Filed 2003·Granted Mar 4, 2008·6 cites·9 claims
- 1250US6183218B1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1998·Granted Feb 6, 2001·10 cites·5 claims
- 1347US2022186686A1Canned motor and pump driven by same, and rocket engine system and liquid propellant rocket employing sameEBARA CORP·Filed 2020·Application pending·0 cites
- 1447US2014241914A1Vacuum pump motor rotor, motor including same and vacuum pumpEBARA CORP·Filed 2013·Application pending·0 cites
- 1543US2025305502A1Motor pumpEBARA CORP·Filed 2021·Application pending·0 cites
- 1641US4636672ASubmersible motorEBARA CORP·Filed 1985·Granted Jan 13, 1987·10 cites·2 claims
- 1741US2004213686A1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2004·Application pending·0 cites
- 1837US2004076532A1Canned motor and canned motor pumpFiled 2002·Application pending·0 cites
- 1934US4886378AThrust bearing deviceEBARA CORP·Filed 1988·Granted Dec 12, 1989·5 cites·3 claims
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