Inventor
ARIIZUMI RYOZO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “ARIIZUMI RYOZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIKURA RUBBER LTD
7 patentsUS4840347AJun 20, 1989
Pneumatically-operated valve
FUJIKURA RUBBER LTD59 citations94
US4903939AFeb 27, 1990
Pneumatically-operated valve
FUJIKURA RUBBER LTD27 citations91
US4712576ADec 15, 1987
Pneumatically operated valve
FUJIKURA RUBBER LTD50 citations91
US4765370AAug 23, 1988
Directional control valve
FUJIKURA RUBBER LTD45 citations90
US4744388AMay 17, 1988
Diaphragm type of pilot operated directional control valve
FUJIKURA RUBBER LTD19 citations81
US4875500AOct 24, 1989
Diaphragm type of pilot operated directional control valve
FUJIKURA RUBBER LTD6 citations72
US4823834AApr 25, 1989
Diaphragm type of pilot operated directional control valve
FUJIKURA RUBBER LTD1 citations51