Inventor · disambiguated record
Katsuaki Usui
Also filed as: USUI KATSUAKI
14 granted patents·2 pending applications·487 citations·filing 1989–2018
94Inventor score
Top patents by PatentIndex Score
16 records- 0193US6474949B1Evacuating unit with reduced diameter exhaust ductEBARA CORP·Filed 1999·Granted Nov 5, 2002·112 cites·15 claims
- 0292US5641054AMagnetic levitation conveyor apparatusEBARA CORP·Filed 1993·Granted Jun 24, 1997·182 cites·16 claims
- 0386US7360454B2Flowmeter having a float and a displacement sensorEBARA CORP·Filed 2006·Granted Apr 22, 2008·18 cites·14 claims
- 0481US5779453AVacuum pump motor arrangement having reduced heat generationEBARA CORP·Filed 1997·Granted Jul 14, 1998·52 cites·6 claims
- 0571US5816782AMultistage positive-displacement vacuum pumpEBARA CORP·Filed 1997·Granted Oct 6, 1998·24 cites·1 claims
- 0668US8251678B2Vacuum pump unitHOZUMI TAKASHI·Filed 2007·Granted Aug 28, 2012·7 cites·19 claims
- 0768US5814913AMultishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1995·Granted Sep 29, 1998·22 cites·6 claims
- 0867US6164945AVacuum pump rotor and method of manufacturing the sameEBARA CORP·Filed 1999·Granted Dec 26, 2000·20 cites·15 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
- 1059US4943214ATwo-shaft type rotary machine having a tip circle diameter to shaft diameter within a certain rangeEBARA CORP·Filed 1989·Granted Jul 24, 1990·20 cites·2 claims
- 1157US6447271B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2000·Granted Sep 10, 2002·5 cites·2 claims
- 1250US11946470B2Information processing apparatus, information processing system, information processing method, program, substrate processing apparatus, criterion data determination apparatus, and criterion data determination methodEBARA CORP·Filed 2018·Granted Apr 2, 2024·0 cites·50 claims
- 1350US6183218B1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1998·Granted Feb 6, 2001·10 cites·5 claims
- 1446US2007048145A1Vacuum evacuation device and method, and substrate processing apparatus and methodISHII KATSUTOSHI·Filed 2006·Application pending·0 cites
- 1541US2004213686A1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2004·Application pending·0 cites
- 1637US6088508AMethod of operating vacuum pumpEBARA CORP·Filed 1998·Granted Jul 11, 2000·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →