Inventor
FUKUDA MASUO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “FUKUDA MASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKEI GIKEN KOGYO KK
10 patentsUS4589517AMay 20, 1986
Muffler
SANKEI GIKEN KOGYO KK45 citations91
US4580656AApr 8, 1986
Absorbent retainer for absorbent type muffler
SANKEI GIKEN KOGYO KK32 citations91
US4574913AMar 11, 1986
Muffler with spark arresting function
SANKEI GIKEN KOGYO KK45 citations91
US4925634AMay 15, 1990
Catalytic converter for use with internal combustion engine
SANKEI GIKEN KOGYO KK22 citations81
US4851298AJul 25, 1989
Multi-layer tube of a muffler for an internal combustion engine
SANKEI GIKEN KOGYO KK13 citations72
US4793544ADec 27, 1988
Method of producing a multi-layer tube of a muffler
SANKEI GIKEN KOGYO KK7 citations72
US4637491AJan 20, 1987
Muffler for internal combustion engine and method of manufacturing tubes for use therein
SANKEI GIKEN KOGYO KK10 citations72
US4547942AOct 22, 1985
Method for producing a muffler
SANKEI GIKEN KOGYO KK18 citations72
US4404042ASep 13, 1983
Method for color-painting on chromium-plated surface
SANKEI GIKEN KOGYO KK5 citations62
US4719679AJan 19, 1988
Method of manufacturing tubes for use in a muffler for internal combustion engines
SANKEI GIKEN KOGYO KK3 citations61