Inventor
ISHIKAWA SHOICHI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HARMONIC DRIVE SYSTEMS
24 patentsUS4974470ADec 4, 1990
Tooth profile of one of circular splines of flat-shaped strain wave gearing
HARMONIC DRIVE SYSTEMS79 citations96
US4823638AApr 25, 1989
Tooth profile of spline of strain wave gearing
HARMONIC DRIVE SYSTEMS88 citations96
US5458023AOct 17, 1995
Flexing contact type gear drive of non-profile-shifted two-circular-arc composite tooth profile
HARMONIC DRIVE SYSTEMS28 citations93
US7735396B2Jun 15, 2010
Wave gear drive having negative deflection meshing tooth profile
HARMONIC DRIVE SYSTEMS23 citations92
US6526849B1Mar 4, 2003
Negative deflection flexible meshing type gear device having passing tooth profile with maximized tooth height
HARMONIC DRIVE SYSTEMS54 citations92
US6467375B1Oct 22, 2002
Flexible meshing type gear device having deflection meshing involute tooth profile
HARMONIC DRIVE SYSTEMS22 citations92
US6167783B1Jan 2, 2001
Flexible meshing type gearing having three-dimensional, non-interactive wide-area intermeshing tooth profile
HARMONIC DRIVE SYSTEMS41 citations92
US5918508AJul 6, 1999
Strain wave gearing having a non-interfering wide mesh range tooth profile
HARMONIC DRIVE SYSTEMS45 citations92
US5782143AJul 21, 1998
Flexible meshing type gear device with negative deflection passing tooth profile
HARMONIC DRIVE SYSTEMS38 citations92
US5687620ANov 18, 1997
Flexible meshing type gear device with a passing tooth profile
HARMONIC DRIVE SYSTEMS29 citations92
US8028603B2Oct 4, 2011
Method for setting gear tooth profile in flat wave gear device on side where gears have same number of teeth
HARMONIC DRIVE SYSTEMS16 citations84
US7694607B2Apr 13, 2010
Wave gear drive with continuous meshing, high ratcheting torque tooth profile
HARMONIC DRIVE SYSTEMS18 citations84
US7530292B2May 12, 2009
Wave gear drive having high ratcheting torque tooth profile
HARMONIC DRIVE SYSTEMS8 citations84
US7328632B2Feb 12, 2008
Wave gear drive having widely engaging tooth profile
HARMONIC DRIVE SYSTEMS17 citations84
US7117759B2Oct 10, 2006
Wave gear drive with wide mesh three-dimensional tooth profile
HARMONIC DRIVE SYSTEMS11 citations84
US6799489B2Oct 5, 2004
Wave gearing with three-dimensional deviatedly meshed tooth profile
HARMONIC DRIVE SYSTEMS15 citations84
US5485766AJan 23, 1996
Tertiary negative-deviation flexing contact type gear drive of non-profile-shifted tooth profile
HARMONIC DRIVE SYSTEMS20 citations84
US10883589B2Jan 5, 2021
Two stress-separation strain wave gearing
HARMONIC DRIVE SYSTEMS2 citations73
US10871213B2Dec 22, 2020
Strain wave gearing with compound meshing that involves congruity of tooth surfaces
HARMONIC DRIVE SYSTEMS2 citations73
US10788114B2Sep 29, 2020
Strain wave gearing with full separation of two stresses
HARMONIC DRIVE SYSTEMS4 citations73
US10788115B2Sep 29, 2020
Strain wave gearing with full separation of two stresses
HARMONIC DRIVE SYSTEMS4 citations73
US9903459B2Feb 27, 2018
Strain wave gearing having continuous-contact tooth profile formed using arcuate tooth profile
HARMONIC DRIVE SYSTEMS3 citations73
US9746065B2Aug 29, 2017
Strain wave gearing having double-contact negative deflection tooth profile
HARMONIC DRIVE SYSTEMS2 citations73
US10174825B2Jan 8, 2019
Passing-type-meshing negative-deflection strain wave gearing
HARMONIC DRIVE SYSTEMS1 citations62
ISHIKAWA SHOICHI
9 patentsUS9534681B2Jan 3, 2017
Wave gear device having tapered flexible external gear
ISHIKAWA SHOICHI11 citations84
US9416861B2Aug 16, 2016
Strain wave gearing with involute positive deflection tooth profile taking rim thickness into consideration
ISHIKAWA SHOICHI6 citations73
US8776638B2Jul 15, 2014
Wave gear device having three-dimensionally contactable shifted tooth profile
ISHIKAWA SHOICHI7 citations73
US8661940B2Mar 4, 2014
Wave gear device having three-dimensional continuous contact tooth profile
ISHIKAWA SHOICHI7 citations73
US8661939B2Mar 4, 2014
Wave gear device having compound tooth profile of positive deflection meshing
ISHIKAWA SHOICHI5 citations73
US9057421B2Jun 16, 2015
Wave gear device having three-dimensional contacting involute positive deflection tooth profile
ISHIKAWA SHOICHI7 citations71
US8910545B2Dec 16, 2014
Wave gear device provided with tapered flexible externally toothed gear
ISHIKAWA SHOICHI2 citations62
US8555505B2Oct 15, 2013
Maximum meshable tooth profile having non-positive deflection in flat wave gear device
ISHIKAWA SHOICHI4 citations62
US9052004B2Jun 9, 2015
Wave gear device having three-dimensional-contact tooth profile
ISHIKAWA SHOICHI0 citations41