Inventor
NUMATA MASANORI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NUMATA MASANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIFCO INC
4 patentsUS5067625ANov 26, 1991
Device for opening and closing lid
NIFCO INC101 citations94
US4691811ASep 8, 1987
Rotary damper
NIFCO INC59 citations94
US4830151AMay 16, 1989
Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout
NIFCO INC49 citations91
US4701229AOct 20, 1987
Method of high frequency welding
NIFCO INC21 citations81