Inventor · disambiguated record
Akihiro Ushitora
Also filed as: USHITORA AKIHIRO
10 granted patents·1 pending application·178 citations·filing 1990–2007
90Inventor score
Top patents by PatentIndex Score
11 records- 0173US5871027AVacuum valve controllerEBARA CORP·Filed 1997·Granted Feb 16, 1999·34 cites·7 claims
- 0264US5588458AVacuum valve controller for vacuum sewer systemEBARA CORP·Filed 1995·Granted Dec 31, 1996·31 cites·11 claims
- 0362US5083885ALaying structure for vacuum sewer pipe of vacuum sewage collecting systemEBARA CORP·Filed 1991·Granted Jan 28, 1992·21 cites·5 claims
- 0461US5114280AVacuum type sewage collecting system and vacuum valve controller for the sameEBARA CORP·Filed 1990·Granted May 19, 1992·22 cites·4 claims
- 0556US5487646AVacuum pump control apparatus for an evacuating type waste water collecting systemEBARA CORP·Filed 1994·Granted Jan 30, 1996·24 cites·14 claims
- 0652US2009031754A1Method and apparatus to improve overall efficiency of lng liquefaction systemsEBARA INT CORP·Filed 2007·Application pending·0 cites
- 0751US5100266APipe connection structure and vacuum-type sewage collecting apparatus incorporating the pipe connection structureEBARA CORP·Filed 1990·Granted Mar 31, 1992·15 cites·12 claims
- 0849US5575454AVacuum valveEBARA CORP·Filed 1994·Granted Nov 19, 1996·14 cites·4 claims
- 0944US6053703AControl method for displacement-type fluid machine, and apparatus thereofEBARA CORP·Filed 1998·Granted Apr 25, 2000·9 cites·9 claims
- 1037US5074718AVacuum-type sewage collecting apparatusEBARA CORP·Filed 1990·Granted Dec 24, 1991·7 cites·8 claims
- 1130US5292104AVacuum interface valveEBARA CORP·Filed 1992·Granted Mar 8, 1994·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →