Inventor · disambiguated record
Katsumi Tozawa
Also filed as: TOZAWA KATSUMI
9 granted patents·1 pending application·320 citations·filing 1987–2012
90Inventor score
Top patents by PatentIndex Score
10 records- 0195USD386662SPortable electric screwdriverMAKITA CORP·Filed 1996·Granted Nov 25, 1997·65 cites·1 claims
- 0294US6305481B1Clutch mechanism for use in a power-driven toolMAKITA CORP·Filed 1997·Granted Oct 23, 2001·88 cites·5 claims
- 0394USD307463SElectric sprayerMAKITA ELECTRIC WORKS LTD·Filed 1987·Granted Apr 24, 1990·43 cites·1 claims
- 0491US7424779B2Cutting toolMAKITA CORP·Filed 2005·Granted Sep 16, 2008·21 cites·12 claims
- 0584US5769657AAttachment structure of battery pack to power-driven toolsMAKITA CORP·Filed 1996·Granted Jun 23, 1998·85 cites·27 claims
- 0681US9115645B2Engine-driven cutterSUGIYAMA MASAKI·Filed 2011·Granted Aug 25, 2015·4 cites·7 claims
- 0772US8683706B2Engine-driven cutterOKUMI MASAYOSHI·Filed 2011·Granted Apr 1, 2014·3 cites·13 claims
- 0860US8991514B2Electric-power cultivatorTOZAWA KATSUMI·Filed 2012·Granted Mar 31, 2015·6 cites·6 claims
- 0946USD350267SCordless driver drillMAKITA CORP·Filed 1993·Granted Sep 6, 1994·5 cites·1 claims
- 1039US2013049477A1Electric-powered cultivatorTOZAWA KATSUMI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →