Inventor · disambiguated record
Yoshinori Ojima
Also filed as: OJIMA YOSHINORI
16 granted patents·3 pending applications·385 citations·filing 1990–2017
94Inventor 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
- 0288US9614411B2Canned motor and vacuum pumpEBARA CORP·Filed 2013·Granted Apr 4, 2017·7 cites·30 claims
- 0385US6700273B1Gas transfer machineEBARA CORP·Filed 2000·Granted Mar 2, 2004·24 cites·9 claims
- 0483US5149253AMagnet pumpsEBARA CORP·Filed 1990·Granted Sep 22, 1992·63 cites·16 claims
- 0581US5779453AVacuum pump motor arrangement having reduced heat generationEBARA CORP·Filed 1997·Granted Jul 14, 1998·52 cites·6 claims
- 0671US6902380B2Vacuum pump with pump rotor pairs and permanent magnet motorEBARA CORP·Filed 2002·Granted Jun 7, 2005·17 cites·7 claims
- 0770US9429166B2Sealing structure, vacuum pump motor including same sealing structure, and vacuum pumpEBARA CORP·Filed 2013·Granted Aug 30, 2016·2 cites·7 claims
- 0869US9291155B2Vacuum pump motor and vacuum pump having balance ringsEBARA CORP·Filed 2013·Granted Mar 22, 2016·1 cites·12 claims
- 0968US8251678B2Vacuum pump unitHOZUMI TAKASHI·Filed 2007·Granted Aug 28, 2012·7 cites·19 claims
- 1068US5814913AMultishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1995·Granted Sep 29, 1998·22 cites·6 claims
- 1160US10320260B2Canned motor and vacuum pumpEBARA CORP·Filed 2017·Granted Jun 11, 2019·0 cites·4 claims
- 1260US6761542B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2002·Granted Jul 13, 2004·6 cites·4 claims
- 1357US9660496B2Canned motor and vacuum pumpEBARA CORP·Filed 2015·Granted May 23, 2017·0 cites·5 claims
- 1457US6447271B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2000·Granted Sep 10, 2002·5 cites·2 claims
- 1550US6183218B1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1998·Granted Feb 6, 2001·10 cites·5 claims
- 1647US2014241914A1Vacuum pump motor rotor, motor including same and vacuum pumpEBARA CORP·Filed 2013·Application pending·0 cites
- 1742US2019301480A1Pump apparatusEBARA CORP·Filed 2017·Application pending·0 cites
- 1841US2004213686A1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2004·Application pending·0 cites
- 1934US6092994ALiquid delivery device, method of controlling such liquid delivery device, and liquid delivery pumpEBARA CORP·Filed 1998·Granted Jul 25, 2000·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →