Inventor · disambiguated record
Yoshinori Ishizawa
Also filed as: ISHIZAWA YOSHINORI
28 granted patents·5 pending applications·758 citations·filing 1990–2020
97Inventor score
Top patents by PatentIndex Score
33 records- 0196US5873510ARepetitive striking type pneumatically operated nail gunHITACHI KOKI KK·Filed 1997·Granted Feb 23, 1999·165 cites·7 claims
- 0293US6006975APneumatically operated nail driverHITACHI KOKI KK·Filed 1998·Granted Dec 28, 1999·98 cites·2 claims
- 0391USD466781SPneumatic nailing machineHITACHI KOKI KK·Filed 2002·Granted Dec 10, 2002·44 cites·1 claims
- 0487US6779699B2Pneumatically operated nail gun having cylinder floating prevention arrangementHITACHI KOKI KK·Filed 2003·Granted Aug 24, 2004·44 cites·6 claims
- 0587US5647525ADriver blade for a percussion toolHITACHI KOKI KK·Filed 1995·Granted Jul 15, 1997·75 cites·11 claims
- 0686US5090606ACombustion gas powered fastener driving toolHITACHI KOKI KK·Filed 1990·Granted Feb 25, 1992·60 cites·17 claims
- 0782US7299959B2Urged magazine for a fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Nov 27, 2007·20 cites·6 claims
- 0880US7243831B2Fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Jul 17, 2007·17 cites·20 claims
- 0979US5495973ANail gun having safety device for preventing accidental firingsHITACHI KOKI KK·Filed 1994·Granted Mar 5, 1996·47 cites·9 claims
- 1078US10744629B2Fastener driving toolHITACHI KOKI KK·Filed 2015·Granted Aug 18, 2020·3 cites·6 claims
- 1178US7441683B2Fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Oct 28, 2008·14 cites·4 claims
- 1275US7325709B2Fastener driving tool and magazine deviceHITACHI KOKI KK·Filed 2005·Granted Feb 5, 2008·14 cites·18 claims
- 1371US9967920B2Electric device outputting light, wind, heat or soundHITACHI KOKI KK·Filed 2014·Granted May 8, 2018·5 cites·37 claims
- 1471US6783050B2Nail gun provided with duster functionHITACHI KOKI KK·Filed 2003·Granted Aug 31, 2004·19 cites·11 claims
- 1569US7322505B2Nail gun provided with duster functionHITACHI KOKI KK·Filed 2004·Granted Jan 29, 2008·16 cites·11 claims
- 1669US7014089B2Trigger valve apparatus for pneumatic toolHITACHI KOKI KK·Filed 2004·Granted Mar 21, 2006·17 cites·9 claims
- 1769US6745928B2Trigger valve apparatus for pneumatic toolHITACHI KOKI KK·Filed 2001·Granted Jun 8, 2004·17 cites·34 claims
- 1867USD432882SPneumatic nailing machineHITACHI KOKI KK·Filed 1999·Granted Oct 31, 2000·13 cites·1 claims
- 1964US9669529B2Driving tool with push lever configured to contact housingHITACHI KOKI KK·Filed 2014·Granted Jun 6, 2017·2 cites·6 claims
- 2064US8066165B2Fastener driving toolISHIZAWA YOSHINORI·Filed 2008·Granted Nov 29, 2011·7 cites·8 claims
- 2161US7757921B2Driving machineHITACHI KOKI KK·Filed 2008·Granted Jul 20, 2010·5 cites·7 claims
- 2261US5775201APiston arrangement for a percussion toolHITACHI KOKO CO LTD·Filed 1995·Granted Jul 7, 1998·30 cites·15 claims
- 2360US7398647B2Pneumatically operated fastener driving toolHITACHI KOKI KK·Filed 2006·Granted Jul 15, 2008·4 cites·10 claims
- 2460US7322501B2Fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Jan 29, 2008·5 cites·15 claims
- 2560US7156012B2Pneumatically operated fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Jan 2, 2007·4 cites·31 claims
- 2659US7395953B2Fastener driving toolHITACHI KOKI KK·Filed 2005·Granted Jul 8, 2008·4 cites·5 claims
- 2756US9061408B2Fastener driving toolISHIZAWA YOSHINORI·Filed 2011·Granted Jun 23, 2015·1 cites·3 claims
- 2854USD519809SPortable pneumatic nailerHITACHI KOKI KK·Filed 2004·Granted May 2, 2006·8 cites·1 claims
- 2943US2005263558A1Nail gunHITACHI KOKI KK·Filed 2005·Application pending·0 cites
- 3041US2003155764A1Air plug and pneumatically operated tool provided with the air plugHITACHI KOKI KK·Filed 2003·Application pending·0 cites
- 3141US2006016844A1Fastener driving toolISHIZAWA YOSHINORI·Filed 2005·Application pending·0 cites
- 3239US2004238590A1On-off valveHITACHI KOKI KK·Filed 2004·Application pending·0 cites
- 3338US2022143797A1Driving toolKOKI HOLDINGS CO LTD·Filed 2020·Application pending·0 cites
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