Inventor · disambiguated record
Tetsuo Hirai
Also filed as: HIRAI TETSUO
3 granted patents·186 citations·filing 1983–2000
76Inventor score
Files withMITSUBISHI ELECTRIC CORP2
Top patents by PatentIndex Score
3 records- 0191US6379115B1Windmill and windmill control methodFiled 2000·Granted Apr 30, 2002·131 cites·4 claims
- 0279US4533292ATurbine rotatable in one direction in a reciprocating flowMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Aug 6, 1985·34 cites·21 claims
- 0368US4735559AScroll-type vacuum pump with oil seal between suction and discharge chambersMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Apr 5, 1988·21 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →