Inventor
TOTSU KATSUYUKI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “TOTSU KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOTSU KATSUYUKI
29 patentsUS10471576B2Nov 12, 2019
Automatic screw tightening control method and device
TOTSU KATSUYUKI728 citations99
US4448098AMay 15, 1984
Electrically driven screw-driver
TOTSU KATSUYUKI156 citations99
USD723910SMar 10, 2015
Screw
TOTSU KATSUYUKI19 citations92
US7249544B2Jul 31, 2007
Screw holding type screwdriver bit and combination thereof with screws
TOTSU KATSUYUKI21 citations92
US7162939B2Jan 16, 2007
Tamperproof screw, combination with screwdriver bit, and header punch for manufacturing tamperproof screw
TOTSU KATSUYUKI26 citations92
US5186084AFeb 16, 1993
Automatic screw driver and a method for controlling the same
TOTSU KATSUYUKI28 citations92
US4231270ANov 4, 1980
Electrically driven fastening appliance
TOTSU KATSUYUKI44 citations92
USD817164SMay 8, 2018
Screw
TOTSU KATSUYUKI8 citations84
USD812460SMar 13, 2018
Screw
TOTSU KATSUYUKI12 citations84
US8636079B2Jan 28, 2014
Method of operating a rotary tool
TOTSU KATSUYUKI19 citations84
USD649446SNov 29, 2011
Screw
TOTSU KATSUYUKI14 citations84
USD640918SJul 5, 2011
Screw
TOTSU KATSUYUKI13 citations84
USD559094SJan 8, 2008
Screw
TOTSU KATSUYUKI14 citations84
US7063171B2Jun 20, 2006
Motor-driven rotary tool with internal heating temperature detecting function
TOTSU KATSUYUKI14 citations84
USD275728SOct 2, 1984
Electrically driven screw driver
TOTSU KATSUYUKI7 citations74
USD275444SSep 11, 1984
Electrically driven screw driver
TOTSU KATSUYUKI8 citations74
USD275445SSep 11, 1984
Electrically driven screw driver
TOTSU KATSUYUKI9 citations74
USD262032SNov 24, 1981
Outer casing for planetary gear assembly
TOTSU KATSUYUKI9 citations74
USD262033SNov 24, 1981
Ring gear for planetary gear assembly
TOTSU KATSUYUKI7 citations74
USD811868SMar 6, 2018
Screw
TOTSU KATSUYUKI3 citations73
US8083453B2Dec 27, 2011
Screw
TOTSU KATSUYUKI4 citations63
US8001874B2Aug 23, 2011
Combination of screw with stabilized strength and screwdriver bit, and header punch for manufacturing the screw with stabilized strength
TOTSU KATSUYUKI4 citations63
US7102265B2Sep 5, 2006
Four-pole synchronous motor
TOTSU KATSUYUKI5 citations63
US4203057AMay 13, 1980
Control means for the wire wrapping machine
TOTSU KATSUYUKI5 citations63
US4073210AFeb 14, 1978
Screw
TOTSU KATSUYUKI4 citations63
US11433518B2Sep 6, 2022
Automatic screw tightening control method and device
TOTSU KATSUYUKI0 citations62
USD937077SNov 30, 2021
Screw
TOTSU KATSUYUKI1 citations62
US11130217B2Sep 28, 2021
Automatic screw tightening control method and device
TOTSU KATSUYUKI1 citations62
USD889951SJul 14, 2020
Screw
TOTSU KATSUYUKI1 citations62
(unassigned)
8 patentsUS6923268B2Aug 2, 2005
Electric rotational tool driving switch system
88 citations98
US6910540B2Jun 28, 2005
Torque control system for electrically driven rotating tools
26 citations92
US6886433B2May 3, 2005
Combination of screw and screw driver bit and header punch for its manufacture
37 citations92
US6584876B2Jul 1, 2003
Screw, driver bit and header punch for manufacture of screw
25 citations92
US6393953B1May 28, 2002
Combination of screw with driver bit or wrench
22 citations92
US6378406B1Apr 30, 2002
Combination of driver bit and screw
33 citations92
US6341546B1Jan 29, 2002
Screw, driver bit and header punch for manufacture of screw
37 citations92
US6792816B2Sep 21, 2004
Bit adapter for torque detector
0 citations42