Inventor
AKADO HAJIME
JP25 patents
⚠️ This page may combine multiple inventors who share the name “AKADO HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON DENSO CO
24 patentsUS5049326ASep 17, 1991
Filter element and manufacture method thereof
NIPPON DENSO CO215 citations98
US4498989AFeb 12, 1985
Fluid filter element and support
NIPPON DENSO CO231 citations98
US3937015AFeb 10, 1976
Pleated filter in the exhaust manifold
NIPPON DENSO CO75 citations96
US5002666AMar 26, 1991
Filter element and manufacture method thereof
NIPPON DENSO CO109 citations95
US4439321AMar 27, 1984
Filter means
NIPPON DENSO CO75 citations95
US4430223AFeb 7, 1984
Filter element for filtering fluid and method of producing same
NIPPON DENSO CO142 citations95
US5297988AMar 29, 1994
Fragrance supplying apparatus for vehicle
NIPPON DENSO CO103 citations94
US5067455ANov 26, 1991
Method and apparatus for adding additives to lubricating oil
NIPPON DENSO CO60 citations94
US4746432AMay 24, 1988
Filter element with zig-zag pleats
NIPPON DENSO CO35 citations91
US4640779AFeb 3, 1987
Filter element
NIPPON DENSO CO44 citations91
US4300928ANov 17, 1981
Structure for supporting air filter
NIPPON DENSO CO32 citations91
US4486206ADec 4, 1984
Cyclone type air cleaner
NIPPON DENSO CO55 citations90
US5240540AAug 31, 1993
Method for producing filter element
NIPPON DENSO CO42 citations88
US4569813AFeb 11, 1986
Method of manufacturing a filter device
NIPPON DENSO CO19 citations82
US4087966AMay 9, 1978
Exhaust gas cleaning device
NIPPON DENSO CO25 citations82
US4898462AFeb 6, 1990
Device for detecting a transmissivity of a substance
NIPPON DENSO CO20 citations81
US4738778AApr 19, 1988
Zig zag filter element
NIPPON DENSO CO24 citations81
US4130405ADec 19, 1978
Air cleaner arrangement
NIPPON DENSO CO24 citations79
US4744902AMay 17, 1988
Annular wave filter device
NIPPON DENSO CO10 citations73
US4244343AJan 13, 1981
Thermostatic valve for compensating air fuel mixture for air temperature change
NIPPON DENSO CO16 citations73
US4273564AJun 16, 1981
Air cleaner of internal combustion engines
NIPPON DENSO CO17 citations72
US4112896ASep 12, 1978
Temperature responsive device for internal combustion engines
NIPPON DENSO CO12 citations71
US4126109ANov 21, 1978
Temperature responsive device for internal combustion engine
NIPPON DENSO CO4 citations61
US4077787AMar 7, 1978
Air cleaner for automotive vehicle
NIPPON DENSO CO5 citations61