Inventor
KOTANI SUMIHISA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “KOTANI SUMIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS4560330ADec 24, 1985
Scroll device with suction chamber pressure relief
HITACHI LTD60 citations96
US4475360AOct 9, 1984
Refrigeration system incorporating scroll type compressor
HITACHI LTD132 citations96
US4382370AMay 10, 1983
Refrigerating system using scroll type compressor
HITACHI LTD116 citations95
US4557675ADec 10, 1985
Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member
HITACHI LTD22 citations82
US4579512AApr 1, 1986
Scroll-type fluid machine with radial clearance between wraps
HITACHI LTD13 citations73
US4392423AJul 12, 1983
Printing hammer driving apparatus
HITACHI LTD5 citations60