Inventor · disambiguated record
Katsuyuki Totsu
Also filed as: TOTSU KATSUYUKI
38 granted patents·3 pending applications·1,467 citations·filing 1976–2021
98Inventor score
Top patents by PatentIndex Score
41 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
- 0497US6923268B2Electric rotational tool driving switch systemFiled 2002·Granted Aug 2, 2005·88 cites·28 claims
- 0590US4231270AElectrically driven fastening applianceTOTSU KATSUYUKI·Filed 1978·Granted Nov 4, 1980·44 cites·6 claims
- 0688US6886433B2Combination of screw and screw driver bit and header punch for its manufactureFiled 2000·Granted May 3, 2005·37 cites·8 claims
- 0783US6341546B1Screw, driver bit and header punch for manufacture of screwFiled 1997·Granted Jan 29, 2002·37 cites·5 claims
- 0882US6910540B2Torque control system for electrically driven rotating toolsFiled 2002·Granted Jun 28, 2005·26 cites·4 claims
- 0981US6584876B2Screw, driver bit and header punch for manufacture of screwFiled 2001·Granted Jul 1, 2003·25 cites·11 claims
- 1080US7162939B2Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screwTOTSU KATSUYUKI·Filed 2003·Granted Jan 16, 2007·26 cites·9 claims
- 1177US7249544B2Screw holding type screwdriver bit and combination thereof with screwsTOTSU KATSUYUKI·Filed 2003·Granted Jul 31, 2007·21 cites·7 claims
- 1276US11130217B2Automatic screw tightening control method and deviceTOTSU KATSUYUKI·Filed 2019·Granted Sep 28, 2021·1 cites·13 claims
- 1375USD723910SScrewTOTSU KATSUYUKI·Filed 2013·Granted Mar 10, 2015·19 cites·1 claims
- 1475US5186084AAutomatic screw driver and a method for controlling the sameTOTSU KATSUYUKI·Filed 1990·Granted Feb 16, 1993·28 cites·4 claims
- 1573US11433518B2Automatic screw tightening control method and deviceTOTSU KATSUYUKI·Filed 2021·Granted Sep 6, 2022·0 cites·7 claims
- 1670USD812460SScrewTOTSU KATSUYUKI·Filed 2016·Granted Mar 13, 2018·12 cites·1 claims
- 1769US8083453B2ScrewTOTSU KATSUYUKI·Filed 2007·Granted Dec 27, 2011·4 cites·2 claims
- 1869US7063171B2Motor-driven rotary tool with internal heating temperature detecting functionTOTSU KATSUYUKI·Filed 2002·Granted Jun 20, 2006·14 cites·4 claims
- 1969US6378406B1Combination of driver bit and screwFiled 1999·Granted Apr 30, 2002·33 cites·11 claims
- 2069USD262032SOuter casing for planetary gear assemblyTOTSU KATSUYUKI·Filed 1978·Granted Nov 24, 1981·9 cites·1 claims
- 2167USD649446SScrewTOTSU KATSUYUKI·Filed 2011·Granted Nov 29, 2011·14 cites·1 claims
- 2266USD559094SScrewTOTSU KATSUYUKI·Filed 2006·Granted Jan 8, 2008·14 cites·1 claims
- 2365USD640918SScrewTOTSU KATSUYUKI·Filed 2010·Granted Jul 5, 2011·13 cites·1 claims
- 2465USD275445SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Sep 11, 1984·9 cites·1 claims
- 2563USD275444SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Sep 11, 1984·8 cites·1 claims
- 2663USD262033SRing gear for planetary gear assemblyTOTSU KATSUYUKI·Filed 1978·Granted Nov 24, 1981·7 cites·1 claims
- 2761USD817164SScrewTOTSU KATSUYUKI·Filed 2016·Granted May 8, 2018·8 cites·1 claims
- 2859USD275728SElectrically driven screw driverTOTSU KATSUYUKI·Filed 1982·Granted Oct 2, 1984·7 cites·1 claims
- 2957US6393953B1Combination of screw with driver bit or wrenchFiled 1998·Granted May 28, 2002·22 cites·19 claims
- 3056US4541266ARiveting motor toolHIOS INC·Filed 1984·Granted Sep 17, 1985·15 cites·1 claims
- 3155US8001874B2Combination 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
- 3253US2009269160A1Loosening Preventive Fastener for Screw Tool, and Manufacturing Method and Manufacturing Apparatus ThereforTOTSU KATSUYUKI·Filed 2006·Application pending·0 cites
- 3351USD937077SScrewTOTSU KATSUYUKI·Filed 2020·Granted Nov 30, 2021·1 cites·1 claims
- 3451US7102265B2Four-pole synchronous motorTOTSU KATSUYUKI·Filed 2003·Granted Sep 5, 2006·5 cites·10 claims
- 3550US2009308628A1Rotary tool driven by brushless motorTOTSU KATSUYUKI·Filed 2005·Application pending·0 cites
- 3645USD811868SScrewTOTSU KATSUYUKI·Filed 2016·Granted Mar 6, 2018·3 cites·1 claims
- 3745US2012285301A1Screwdriver BitTOTSU KATSUYUKI·Filed 2010·Application pending·0 cites
- 3841US6792816B2Bit adapter for torque detectorFiled 2001·Granted Sep 21, 2004·0 cites·10 claims
- 3938USD889951SScrewTOTSU KATSUYUKI·Filed 2018·Granted Jul 14, 2020·1 cites·1 claims
- 4037US4203057AControl means for the wire wrapping machineTOTSU KATSUYUKI·Filed 1978·Granted May 13, 1980·5 cites·7 claims
- 4133US4073210AScrewTOTSU KATSUYUKI·Filed 1976·Granted Feb 14, 1978·4 cites·4 claims
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