Inventor
OSHIMA KENICHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OSHIMA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS6589035B1Jul 8, 2003
Scroll compressor having a valved back-pressure chamber and a bypass for over-compression
HITACHI LTD95 citations98
US7354259B2Apr 8, 2008
Scroll compressor having a valved back pressure chamber and a bypass for overcompression
HITACHI LTD67 citations97
US7137796B2Nov 21, 2006
Scroll compressor
HITACHI LTD71 citations97
US7118358B2Oct 10, 2006
Scroll compressor having a back-pressure chamber control valve
HITACHI LTD76 citations97
US6769888B2Aug 3, 2004
Scroll compressor having a valved back pressure chamber and a bypass for overcompression
HITACHI LTD69 citations96
US5938417AAug 17, 1999
Scroll type fluid machine having wraps formed of circular arcs
HITACHI LTD74 citations96
US5345785ASep 13, 1994
Scroll compressor and air conditioner using the same
HITACHI LTD67 citations95
US6336336B1Jan 8, 2002
Rotary piston compressor and refrigerating equipment
HITACHI LTD15 citations77
US6217303B1Apr 17, 2001
Displacement fluid machine
HITACHI LTD9 citations73
US6099279AAug 8, 2000
Displacement fluid machine
HITACHI LTD14 citations73
US6905318B2Jun 14, 2005
Compressor including tapered discharged valve and valve seat
HITACHI LTD11 citations72
US6637550B2Oct 28, 2003
Displacement type fluid machine
HITACHI LTD10 citations72