Inventor · disambiguated record
Tetuzou Ukai
Also filed as: UKAI TETUZOU
7 granted patents·223 citations·filing 1993–2008
87Inventor score
Technology areasF04C
Top patents by PatentIndex Score
7 records- 0194US5447418AScroll-type fluid machine having a sealed back pressure chamberMITSUBISHI HEAVY IND LTD·Filed 1994·Granted Sep 5, 1995·92 cites·2 claims
- 0290US5494422AScroll type compressor having a discharge valve retainer with a back pressure portMITSUBISHI HEAVY IND LTD·Filed 1994·Granted Feb 27, 1996·66 cites·7 claims
- 0376US5358392AHorizontal hermetic compressor having an oil reservoirMITSUBISHI HEAVY IND LTD·Filed 1993·Granted Oct 25, 1994·33 cites·4 claims
- 0457US8152501B2Scroll compressor for preventing performance deterioration and variation due to gas leakageFUJITA KATSUHIRO·Filed 2008·Granted Apr 10, 2012·2 cites·9 claims
- 0551US5375986AOil pump for a closed type compressorMITSUBISHI HEAVY IND LTD·Filed 1994·Granted Dec 27, 1994·13 cites·8 claims
- 0644US5400611ARefrigerating cycle machineMITSUBISHI HEAVY IND LTD·Filed 1994·Granted Mar 28, 1995·9 cites·2 claims
- 0740US5492460AScroll-type fluid machine having a wear-resistant plateMITSUBISHI HEAVY IND LTD·Filed 1994·Granted Feb 20, 1996·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →