Inventor · disambiguated record
Shuji Haga
Also filed as: HAGA SHUJI
8 granted patents·324 citations·filing 1991–2000
90Inventor score
Top patents by PatentIndex Score
8 records- 0192US5842843AScroll fluid machine having a cooling passage inside the drive shaftANEST IWATA CORP·Filed 1996·Granted Dec 1, 1998·70 cites·2 claims
- 0290US6149405ADouble wrap dry scroll vacuum pump having a compressed gas cooling passage disposed in the scroll shaftANEST IWATA CORP·Filed 1998·Granted Nov 21, 2000·60 cites·9 claims
- 0388US6186755B1Scroll fluid machine having a heat pipe inside the drive shaftANEST IWATA CORP·Filed 2000·Granted Feb 13, 2001·36 cites·8 claims
- 0488US5961297AOil-free two stage scroll vacuum pump and method for controlling the same pumpIWATA AIR COMPRESSOR MFG·Filed 1996·Granted Oct 5, 1999·51 cites·10 claims
- 0582US5258046AScroll-type fluid machinery with seals for the discharge port and wrapsIWATA AIR COMPRESSOR MFG·Filed 1992·Granted Nov 2, 1993·55 cites·9 claims
- 0676US6109897AScroll fluid machine having a cooling passage inside the drive shaftANEST IWATA CORP·Filed 1998·Granted Aug 29, 2000·22 cites·6 claims
- 0753US5145344AScroll-type fluid machinery with offset passage to the exhaust portIWATA AIR COMPRESSOR MFG·Filed 1991·Granted Sep 8, 1992·18 cites·1 claims
- 0852US5743719AOil-free scroll vacuum pump having a gas ballast partANEST IWATA CORP·Filed 1996·Granted Apr 28, 1998·12 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →