Inventor · disambiguated record
Hisato Ohsawa
Also filed as: OHSAWA HISATO
15 granted patents·1 pending application·347 citations·filing 1996–2015
94Inventor score
Top patents by PatentIndex Score
16 records- 0195US6295953B1Portable power working machineKIORITZ CORP·Filed 2000·Granted Oct 2, 2001·68 cites·5 claims
- 0291US6378467B1Portable power working machineKIORITZ CORP·Filed 2000·Granted Apr 30, 2002·41 cites·8 claims
- 0386US9988970B2Suction tube unit of stratified scavenging engineYAMABIKO CORP·Filed 2015·Granted Jun 5, 2018·3 cites·7 claims
- 0480US6871623B2Working machine having a single operation unitKIORITZ CORP·Filed 2002·Granted Mar 29, 2005·25 cites·17 claims
- 0577US6643939B2Chain saw with vibration-isolating devicesKIORITZ CORP·Filed 2001·Granted Nov 11, 2003·22 cites·3 claims
- 0677US5758546AHand lever deviceKIORITZ CORP·Filed 1996·Granted Jun 2, 1998·33 cites·6 claims
- 0775US5718052AHand lever deviceKIORITZ CORP·Filed 1996·Granted Feb 17, 1998·29 cites·5 claims
- 0871US6508004B2Safety cover for cutting blade of portable trimmerKIORITZ CORP·Filed 2001·Granted Jan 21, 2003·20 cites·6 claims
- 0969US7699902B2Refuse-trapping cover for use in portable working machineYAMABIKO CORP·Filed 2007·Granted Apr 20, 2010·11 cites·16 claims
- 1067US5868377AHand lever apparatus including a main lever having a brake plate capable of pressing against a sub-leverKIORITZ CORP·Filed 1996·Granted Feb 9, 1999·23 cites·8 claims
- 1164US5685271AHand lever deviceKIORITZ CORP·Filed 1996·Granted Nov 11, 1997·23 cites·4 claims
- 1260US6761136B2Portable power working machineKIORITZ CORP·Filed 2003·Granted Jul 13, 2004·9 cites·7 claims
- 1359US5664543AHand lever deviceKIORITZ CORP·Filed 1996·Granted Sep 9, 1997·18 cites·6 claims
- 1454US6647946B2Working machine having internal combustion engineKIORITZ CORP·Filed 2002·Granted Nov 18, 2003·6 cites·4 claims
- 1544US5871202AHand lever apparatus having a toggle mechanismKIORITZ CORP·Filed 1996·Granted Feb 16, 1999·16 cites·3 claims
- 1638US2003070308A1Chain sawKIORITZ CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →