Inventor · disambiguated record
Hajime Akado
Also filed as: AKADO HAJIME
25 granted patents·1,400 citations·filing 1974–1992
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US4498989AFluid filter element and supportNIPPON DENSO CO·Filed 1982·Granted Feb 12, 1985·231 cites·10 claims
- 0297US5049326AFilter element and manufacture method thereofNIPPON DENSO CO·Filed 1990·Granted Sep 17, 1991·215 cites·11 claims
- 0397US4430223AFilter element for filtering fluid and method of producing sameNIPPON DENSO CO·Filed 1982·Granted Feb 7, 1984·142 cites·7 claims
- 0496US3937015APleated filter in the exhaust manifoldNIPPON DENSO CO·Filed 1974·Granted Feb 10, 1976·75 cites·5 claims
- 0595US5297988AFragrance supplying apparatus for vehicleNIPPON DENSO CO·Filed 1992·Granted Mar 29, 1994·103 cites·30 claims
- 0695US5002666AFilter element and manufacture method thereofNIPPON DENSO CO·Filed 1989·Granted Mar 26, 1991·109 cites·20 claims
- 0792US4439321AFilter meansNIPPON DENSO CO·Filed 1982·Granted Mar 27, 1984·75 cites·4 claims
- 0887US5067455AMethod and apparatus for adding additives to lubricating oilNIPPON DENSO CO·Filed 1990·Granted Nov 26, 1991·60 cites·14 claims
- 0985US4486206ACyclone type air cleanerNIPPON DENSO CO·Filed 1983·Granted Dec 4, 1984·55 cites·12 claims
- 1084US4640779AFilter elementNIPPON DENSO CO·Filed 1984·Granted Feb 3, 1987·44 cites·17 claims
- 1176US4746432AFilter element with zig-zag pleatsNIPPON DENSO CO·Filed 1986·Granted May 24, 1988·35 cites·19 claims
- 1276US4087966AExhaust gas cleaning deviceNIPPON DENSO CO·Filed 1975·Granted May 9, 1978·25 cites·9 claims
- 1374US4300928AStructure for supporting air filterNIPPON DENSO CO·Filed 1980·Granted Nov 17, 1981·32 cites·5 claims
- 1474US4244343AThermostatic valve for compensating air fuel mixture for air temperature changeNIPPON DENSO CO·Filed 1979·Granted Jan 13, 1981·16 cites·6 claims
- 1572US5240540AMethod for producing filter elementNIPPON DENSO CO·Filed 1991·Granted Aug 31, 1993·42 cites·9 claims
- 1667US4130405AAir cleaner arrangementNIPPON DENSO CO·Filed 1977·Granted Dec 19, 1978·24 cites·15 claims
- 1762US4738778AZig zag filter elementNIPPON DENSO CO·Filed 1986·Granted Apr 19, 1988·24 cites·17 claims
- 1860US4569813AMethod of manufacturing a filter deviceNIPPON DENSO CO·Filed 1985·Granted Feb 11, 1986·19 cites·1 claims
- 1959US4898462ADevice for detecting a transmissivity of a substanceNIPPON DENSO CO·Filed 1988·Granted Feb 6, 1990·20 cites·13 claims
- 2056US4273564AAir cleaner of internal combustion enginesNIPPON DENSO CO·Filed 1980·Granted Jun 16, 1981·17 cites·5 claims
- 2150US4744902AAnnular wave filter deviceNIPPON DENSO CO·Filed 1986·Granted May 17, 1988·10 cites·16 claims
- 2249US4112896ATemperature responsive device for internal combustion enginesNIPPON DENSO CO·Filed 1978·Granted Sep 12, 1978·12 cites·2 claims
- 2335US4077787AAir cleaner for automotive vehicleNIPPON DENSO CO·Filed 1976·Granted Mar 7, 1978·5 cites·4 claims
- 2434US4126109ATemperature responsive device for internal combustion engineNIPPON DENSO CO·Filed 1976·Granted Nov 21, 1978·4 cites·9 claims
- 2531US4178898AThermostatic valve for intake air temperature compensation for internal combustion engineKARIYA TOYOTA JIDOSHA KOGYO K·Filed 1978·Granted Dec 18, 1979·6 cites·5 claims
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