Assignee
TOTSU KATSUYUKI
29 granted patents·3 pending applications·1,184 citations·filing 1976–2021
Top patents by PatentIndex Score
32 records- 0199US10471576B2Automatic screw tightening control method and deviceTOTSU KATSUYUKI·Filed 2013·Granted Nov 12, 2019·728 cites·19 claims
- 0299US4448098AElectrically driven screw-driverTOTSU KATSUYUKI·Filed 1982·Granted May 15, 1984·156 cites·8 claims
- 0397US8636079B2Method of operating a rotary toolTOTSU KATSUYUKI·Filed 2010·Granted Jan 28, 2014·19 cites·3 claims
- 0490US4231270AElectrically driven fastening applianceTOTSU KATSUYUKI·Filed 1978·Granted Nov 4, 1980·44 cites·6 claims
- 0580US7162939B2Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screwTOTSU KATSUYUKI·Filed 2003·Granted Jan 16, 2007·26 cites·9 claims
- 0677US7249544B2Screw holding type screwdriver bit and combination thereof with screwsTOTSU KATSUYUKI·Filed 2003·Granted Jul 31, 2007·21 cites·7 claims
- 0776US11130217B2Automatic screw tightening control method and deviceTOTSU KATSUYUKI·Filed 2019·Granted Sep 28, 2021·1 cites·13 claims
- 0875USD723910SScrewTOTSU KATSUYUKI·Filed 2013·Granted Mar 10, 2015·19 cites·1 claims
- 0975US5186084AAutomatic screw driver and a method for controlling the sameTOTSU KATSUYUKI·Filed 1990·Granted Feb 16, 1993·28 cites·4 claims
- 1073US11433518B2Automatic screw tightening control method and deviceTOTSU KATSUYUKI·Filed 2021·Granted Sep 6, 2022·0 cites·7 claims
- 1170USD812460SScrewTOTSU KATSUYUKI·Filed 2016·Granted Mar 13, 2018·12 cites·1 claims
- 1269US8083453B2ScrewTOTSU KATSUYUKI·Filed 2007·Granted Dec 27, 2011·4 cites·2 claims
- 1369US7063171B2Motor-driven rotary tool with internal heating temperature detecting functionTOTSU KATSUYUKI·Filed 2002·Granted Jun 20, 2006·14 cites·4 claims
- 1469USD262032SOuter casing for planetary gear assemblyTOTSU KATSUYUKI·Filed 1978·Granted Nov 24, 1981·9 cites·1 claims
- 1567USD649446SScrewTOTSU KATSUYUKI·Filed 2011·Granted Nov 29, 2011·14 cites·1 claims
- 1666USD559094SScrewTOTSU KATSUYUKI·Filed 2006·Granted Jan 8, 2008·14 cites·1 claims
- 1765USD640918SScrewTOTSU KATSUYUKI·Filed 2010·Granted Jul 5, 2011·13 cites·1 claims
- 1865USD275445SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Sep 11, 1984·9 cites·1 claims
- 1963USD275444SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Sep 11, 1984·8 cites·1 claims
- 2063USD262033SRing gear for planetary gear assemblyTOTSU KATSUYUKI·Filed 1978·Granted Nov 24, 1981·7 cites·1 claims
- 2161USD817164SScrewTOTSU KATSUYUKI·Filed 2016·Granted May 8, 2018·8 cites·1 claims
- 2259USD275728SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Oct 2, 1984·7 cites·1 claims
- 2355US8001874B2Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strengthTOTSU KATSUYUKI·Filed 2004·Granted Aug 23, 2011·4 cites·2 claims
- 2453US2009269160A1Loosening Preventive Fastener for Screw Tool, and Manufacturing Method and Manufacturing Apparatus ThereforTOTSU KATSUYUKI·Filed 2006·Application pending·0 cites
- 2551USD937077SScrewTOTSU KATSUYUKI·Filed 2020·Granted Nov 30, 2021·1 cites·1 claims
- 2651US7102265B2Four-pole synchronous motorTOTSU KATSUYUKI·Filed 2003·Granted Sep 5, 2006·5 cites·10 claims
- 2750US2009308628A1Rotary tool driven by brushless motorTOTSU KATSUYUKI·Filed 2005·Application pending·0 cites
- 2845USD811868SScrewTOTSU KATSUYUKI·Filed 2016·Granted Mar 6, 2018·3 cites·1 claims
- 2945US2012285301A1Screwdriver BitTOTSU KATSUYUKI·Filed 2010·Application pending·0 cites
- 3038USD889951SScrewTOTSU KATSUYUKI·Filed 2018·Granted Jul 14, 2020·1 cites·1 claims
- 3137US4203057AControl means for the wire wrapping machineTOTSU KATSUYUKI·Filed 1978·Granted May 13, 1980·5 cites·7 claims
- 3233US4073210AScrewTOTSU KATSUYUKI·Filed 1976·Granted Feb 14, 1978·4 cites·4 claims
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