Inventor · disambiguated record
Kazuo Izumi
Also filed as: IZUMI KAZUO · IZUMI KAZUTO · NIIJIMA KENJI
24 granted patents·1 pending application·751 citations·filing 1974–2002
97Inventor score
Files withTOHO BESLON CO7SUMITOMO CHEMICAL CO6KONISHIROKU PHOTO IND4NIPPON TELEGRAPH & TELEPHONE4SHARP KK2
Top patents by PatentIndex Score
25 records- 0197US4435203AOptical isomer of triazolylpentenols, and their production and use as fungicide, herbicide and/or plant growth regulantSUMITOMO CHEMICAL CO·Filed 1981·Granted Mar 6, 1984·91 cites·10 claims
- 0289US4772455AFilterTOHO BESLON CO·Filed 1985·Granted Sep 20, 1988·75 cites·27 claims
- 0389US4366085AFibrous activated carbon with metal chelate compound supported thereon, process for producing the sameTOHO BESLON CO·Filed 1980·Granted Dec 28, 1982·69 cites·31 claims
- 0485US4508851AFibrous activated carbon and process of producing itTOHO BESLON CO·Filed 1983·Granted Apr 2, 1985·26 cites·21 claims
- 0583US4520623AActivated carbon fiber spun yarnTOHO BESLON CO·Filed 1983·Granted Jun 4, 1985·23 cites·14 claims
- 0683US4412937AMethod for manufacture of activated carbon fiberTOHO BESLON CO·Filed 1982·Granted Nov 1, 1983·26 cites·23 claims
- 0781US4195649ATobacco smoke filterJAPAN TOBACCO & SALT PUBLIC·Filed 1978·Granted Apr 1, 1980·43 cites·20 claims
- 0880US4460650AAcrylonitrile fibers, a process for producing acrylonitrile fibers, as well as producing peroxidized fibers, fibrous active carbon or carbon fibers therefromTOHO BESLON CO·Filed 1982·Granted Jul 17, 1984·22 cites·13 claims
- 0980US4362646AProcess for the production of fibrous activated carbonTOHO BESLON CO·Filed 1980·Granted Dec 7, 1982·26 cites·17 claims
- 1079US4635631AArtificial respiration ventilator of air constant flowSHARP KK·Filed 1984·Granted Jan 13, 1987·134 cites·3 claims
- 1179US4493842AFungicidal N-(phenyl-lower alkanoyl-)-imidazole derivatives, composition, and method of useSUMITOMO CHEMICAL CO·Filed 1983·Granted Jan 15, 1985·13 cites·7 claims
- 1276US4004140ADigital attenuatorNIPPON TELEGRAPH & TELEPHONE·Filed 1974·Granted Jan 18, 1977·21 cites·3 claims
- 1375US6219021B1Display control device and storage medium thereforSHARP KK·Filed 1998·Granted Apr 17, 2001·67 cites·10 claims
- 1470US6325434B1Tongs apparatus equipped with supplemental-holding-force apparatusTOHO TITANIUM CO LTD·Filed 2000·Granted Dec 4, 2001·14 cites·12 claims
- 1570US4051332AMultiplex digital echo suppression systemNIPPON TELEGRAPH & TELEPHONE·Filed 1976·Granted Sep 27, 1977·23 cites·5 claims
- 1666US6480297B1Image forming apparatusKONISHIROKU PHOTO IND·Filed 1999·Granted Nov 12, 2002·36 cites·9 claims
- 1758US6999191B2Administrating system of image forming apparatus and image forming apparatusKONISHIROKU PHOTO IND·Filed 2001·Granted Feb 14, 2006·8 cites·23 claims
- 1857US5346879APlant growth regulator containing a phthalimide derivativeSUMITOMO CHEMICAL CO·Filed 1993·Granted Sep 13, 1994·5 cites·12 claims
- 1949US5228899AHydroxamic acid esters and plant growth regulation therewithSUMITOMO CHEMICAL CO·Filed 1990·Granted Jul 20, 1993·5 cites·21 claims
- 2046US2003032421A1Maintenance service support host apparatusKONISHIROKU PHOTO IND·Filed 2002·Application pending·0 cites
- 2145US4118785AMethod and apparatus for digital attenuation by pattern shiftingNIPPON TELEGRAPH & TELEPHONE·Filed 1976·Granted Oct 3, 1978·11 cites·1 claims
- 2239US4685951ATobacco axillary bud regulating compositionSUMITOMO CHEMICAL CO·Filed 1985·Granted Aug 11, 1987·3 cites·6 claims
- 2336US4181970ADigital attenuator for compressed PCM signalsNIPPON TELEGRAPH & TELEPHONE·Filed 1978·Granted Jan 1, 1980·6 cites·2 claims
- 2433US5353125AFacsimile apparatusKONISHIROKU PHOTO IND·Filed 1993·Granted Oct 4, 1994·4 cites·6 claims
- 2530US4755214AComposition for regulating plant growthSUMITOMO CHEMICAL CO·Filed 1985·Granted Jul 5, 1988·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →