Inventor
TSUBOKAWA MASAHIRO
JP15 patents
Patents
15 patentsUS5591018AJan 7, 1997
Hermetic scroll compressor having a pumped fluid motor cooling means and an oil collection pan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD79 citations95
US6039551AMar 21, 2000
Gear pump for use in an electrically-operated sealed compressor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations94
US6299424B1Oct 9, 2001
Sliding member and refrigerating compressor using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US6053715AApr 25, 2000
Scroll type compressor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US5963410AOct 5, 1999
Insulation testing method and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5695326ADec 9, 1997
Compressor for a refrigeration machine having a thrust bearing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US6227828B1May 8, 2001
Gear pump for use in an electrically-operated sealed compressor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations91
US6116877ASep 12, 2000
Gear pump for use in an electrically-operated sealed compressor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations91
US6176691B1Jan 23, 2001
Refrigerant compressor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations83
US5867029AFeb 2, 1999
Method of nondestructive insulation test and a nondestructive insulation testing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5594348AJan 14, 1997
Surge testing method in decompressed atmosphere for a small-size electric machine and apparatus thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US5632610AMay 27, 1997
Sealed-type scroll compressor with relatively shifted scrolls based on thermal coefficient of expansion
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US6553645B2Apr 29, 2003
Hermetic motor compressor and method assembling the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations63
US5848883ADec 15, 1998
Scroll compressor having a back pressure partitioning member
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US5704122AJan 6, 1998
Sealed-type scroll compressor and assembling method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations61