Inventor · disambiguated record
Masami Nagayama
Also filed as: NAGAYAMA MASAMI
8 granted patents·3 pending applications·145 citations·filing 1995–2012
89Inventor score
Top patents by PatentIndex Score
11 records- 0190US7098045B2Processing method utilizing an apparatus to be sealed against workpieceEBARA CORP·Filed 2005·Granted Aug 29, 2006·14 cites·16 claims
- 0281US5779453AVacuum pump motor arrangement having reduced heat generationEBARA CORP·Filed 1997·Granted Jul 14, 1998·52 cites·6 claims
- 0372US6869890B2Processing apparatus to be sealed against workpieceEBARA CORP·Filed 2002·Granted Mar 22, 2005·12 cites·10 claims
- 0471US5816782AMultistage positive-displacement vacuum pumpEBARA CORP·Filed 1997·Granted Oct 6, 1998·24 cites·1 claims
- 0568US5814913AMultishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1995·Granted Sep 29, 1998·22 cites·6 claims
- 0660US6761542B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2002·Granted Jul 13, 2004·6 cites·4 claims
- 0757US6447271B2Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2000·Granted Sep 10, 2002·5 cites·2 claims
- 0850US6183218B1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 1998·Granted Feb 6, 2001·10 cites·5 claims
- 0942US2014112814A1Vacuum pumpKUDARA SOICHI·Filed 2012·Application pending·0 cites
- 1041US2014112815A1Vacuum pumpKUDARA SOICHI·Filed 2012·Application pending·0 cites
- 1141US2004213686A1Multishaft electric motor and positive-displacement pump combined with such multishaft electric motorEBARA CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →