Inventor · disambiguated record
Shoichi Hirai
Also filed as: HIRAI SHOICHI
17 granted patents·613 citations·filing 1982–2006
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US5873510ARepetitive striking type pneumatically operated nail gunHITACHI KOKI KK·Filed 1997·Granted Feb 23, 1999·165 cites·7 claims
- 0293US4566127AComplex system having the functions of optical character reader and facsimileTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jan 21, 1986·124 cites·1 claims
- 0389US6220496B1Nailing machineHITACHI KOKI KK·Filed 2000·Granted Apr 24, 2001·52 cites·8 claims
- 0483US6572000B2Driving toolHITACHI KOKI KK·Filed 2000·Granted Jun 3, 2003·39 cites·16 claims
- 0582US4840080ADriving device employed in a window regulatorNIPPON CABLE SYSTEM INC·Filed 1988·Granted Jun 20, 1989·35 cites·6 claims
- 0680US6763992B2Driving depth adjusting mechanism for a nailerHITACHI KOKI KK·Filed 2002·Granted Jul 20, 2004·35 cites·5 claims
- 0779US7063053B2Combustion type power tool having fin for effectively cooling cylinderHITACHI KOKI KK·Filed 2005·Granted Jun 20, 2006·15 cites·8 claims
- 0875US4918865AWindow openerNIPPON CABLE SYSTEM INC·Filed 1989·Granted Apr 24, 1990·38 cites·8 claims
- 0971US4628759ADriving device employed in a window regulatorNIPPON CABLE SYSTEM INC·Filed 1984·Granted Dec 16, 1986·21 cites·4 claims
- 1068US7210431B2Combustion-type power tool with exhaust gas flow regulating ribHITACHI KOKI KK·Filed 2005·Granted May 1, 2007·6 cites·15 claims
- 1166US7255257B2Pneumatically operated power tool having mechanism for changing compressed air pressureHITACHI KOKI KK·Filed 2006·Granted Aug 14, 2007·7 cites·10 claims
- 1263US4716593AIdentity verification systemTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Dec 29, 1987·51 cites·2 claims
- 1356USD497299SPortable gas nailing machineHITACHI KOKI KK·Filed 2004·Granted Oct 19, 2004·9 cites·1 claims
- 1453US7131404B2Combustion-type power tool having gas canister cooling arrangementHITACHI KOKI KK·Filed 2005·Granted Nov 7, 2006·2 cites·6 claims
- 1548US7093743B2Pneumatically operated power tool having mechanism for changing compressed air pressureHITACHI KOKI KK·Filed 2004·Granted Aug 22, 2006·2 cites·8 claims
- 1647US7490582B2Combustion type power tool having fin for effectively cooling cylinderHITACHI KOKI KK·Filed 2006·Granted Feb 17, 2009·0 cites·10 claims
- 1738US4827522APattern recognition apparatus for determining a reference pattern by K-L expansion utilizing a power methodTOSHIBA KK·Filed 1986·Granted May 2, 1989·12 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →