Inventor
IMAI MASAYA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “IMAI MASAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS4462772AJul 31, 1984
Oil feeding device for scroll fluid apparatus
HITACHI LTD32 citations92
US4384831AMay 24, 1983
Scroll-type fluid apparatus provided with means for counteracting a moment exerted on orbiting scroll member
HITACHI LTD23 citations82
US4350479ASep 21, 1982
Scrool-type fluid machine with liquid-filled force-balanced pockets
HITACHI LTD25 citations82
US4555224ANov 26, 1985
Oil feeding device for scroll fluid apparatus
HITACHI LTD11 citations73
US4145059AMar 20, 1979
Mechanical seal
HITACHI LTD19 citations73
US4406602ASep 27, 1983
Screw rotor with specific tooth profile
HITACHI LTD9 citations72
US4401420AAug 30, 1983
Male and female screw rotor assembly with specific tooth flanks
HITACHI LTD15 citations72
SUMITOMO LIGHT METAL IND
2 patentsUS4454748AJun 19, 1984
Apparatus for measuring the content of hydrogen dissolved in a molten metal
SUMITOMO LIGHT METAL IND30 citations91
US5132919AJul 21, 1992
Automatic measuring device for measuring the amount of wax, oil and other substances applied on the surface of a workpiece
SUMITOMO LIGHT METAL IND1 citations47