Inventor · disambiguated record
Katsumi Kiyooka
Also filed as: KIYOOKA KATSUMI
29 granted patents·494 citations·filing 1981–1994
97Inventor score
Top patents by PatentIndex Score
29 records- 0191USD299571SPortable blowerKOMATSU ZENOA KK·Filed 1986·Granted Jan 24, 1989·41 cites·1 claims
- 0285USD271715SPortable blowerKOMATSU ZENOA KK·Filed 1981·Granted Dec 6, 1983·20 cites·1 claims
- 0383USD362600SBush cutter headMARUYAMA MFG CO·Filed 1994·Granted Sep 26, 1995·24 cites·1 claims
- 0473US4494490ACylinder coverKOMATSU ZENOA KK·Filed 1983·Granted Jan 22, 1985·24 cites·5 claims
- 0572USD356013SHedge trimmerMARUYAMA MFG CO·Filed 1991·Granted Mar 7, 1995·15 cites·1 claims
- 0672US4517939ADust collecting deviceKOMATSU ZENOA KK·Filed 1982·Granted May 21, 1985·23 cites·4 claims
- 0771US4817230ADust collectorKOMATSU ZENOA KK·Filed 1987·Granted Apr 4, 1989·36 cites·7 claims
- 0871USD299570SPortable blowerKOMATSU ZENOA KK·Filed 1986·Granted Jan 24, 1989·14 cites·1 claims
- 0970US4663799ADust collectorKOMATSU ZENOA KK·Filed 1986·Granted May 12, 1987·33 cites·1 claims
- 1069US4723893APortable blowerKOMATSU ZENOA KK·Filed 1986·Granted Feb 9, 1988·31 cites·17 claims
- 1169US4658778APiggyback type blower unitKOMATSU ZENOA KK·Filed 1985·Granted Apr 21, 1987·36 cites·5 claims
- 1263US4821691APortable engine unitKOMATSU ZENOA KK·Filed 1987·Granted Apr 18, 1989·15 cites·10 claims
- 1361USD353382SInternal combustion engineMARUYAMA MFG CO·Filed 1993·Granted Dec 13, 1994·10 cites·1 claims
- 1461USD347772SHedge trimmerMARUYAMA MFG CO·Filed 1991·Granted Jun 14, 1994·10 cites·1 claims
- 1561USD324221SInternal combustion engineMARUYAMA MFG CO·Filed 1989·Granted Feb 25, 1992·9 cites·1 claims
- 1661USD308210SPortable internal combustion power toolKOMATSU ZENOA KK·Filed 1987·Granted May 29, 1990·9 cites·1 claims
- 1760USD349022SPower unit shaft attachment for cutting implementsMARUYAMA MFG CO·Filed 1991·Granted Jul 26, 1994·10 cites·1 claims
- 1859US4727828APortable engine unitKOMATSU ZENOA KK·Filed 1986·Granted Mar 1, 1988·16 cites·25 claims
- 1957USD303671SCombined portable internal combustion engine and toolKOMATSU ZENOA KK·Filed 1986·Granted Sep 26, 1989·8 cites·1 claims
- 2056US5402576AMowing apparatusMARUYAMA MFG CO·Filed 1993·Granted Apr 4, 1995·20 cites·11 claims
- 2155US4403371ADebris collecting deviceKOMATSU ZENOA KK·Filed 1981·Granted Sep 13, 1983·19 cites·1 claims
- 2253US4746274APortable blowerKOMATSU ZENOA KK·Filed 1987·Granted May 24, 1988·18 cites·12 claims
- 2352USD297870SPortable blower and cleanerKOMATSU ZENOA KK·Filed 1986·Granted Sep 27, 1988·8 cites·1 claims
- 2448US4815430APortable engine unitKOMATSU ZENOA KK·Filed 1987·Granted Mar 28, 1989·16 cites·6 claims
- 2545USD353084SBush cutterMARUYAMA MFG CO·Filed 1993·Granted Dec 6, 1994·6 cites·1 claims
- 2642US5419126AExhaust silencerMARUYAMA MFG CO·Filed 1992·Granted May 30, 1995·14 cites·2 claims
- 2739USD303973SPortable internal combustion engine and toolsKOMATSU ZENOA KK·Filed 1986·Granted Oct 10, 1989·3 cites·1 claims
- 2834USD352214SBush cutterMARUYAMA MFG CO·Filed 1993·Granted Nov 8, 1994·2 cites·1 claims
- 2931US5306881AExhaust silencer with spark arresterMARUYAMA MFG CO·Filed 1993·Granted Apr 26, 1994·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →