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Shoichi Ishikawa
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Two stress-separation strain wave gearing
Patent number
10,883,589
Issue date
Jan 5, 2021
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing with compound meshing that involves congruity o...
Patent number
10,871,213
Issue date
Dec 22, 2020
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing with full separation of two stresses
Patent number
10,788,114
Issue date
Sep 29, 2020
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing with full separation of two stresses
Patent number
10,788,115
Issue date
Sep 29, 2020
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Passing-type-meshing negative-deflection strain wave gearing
Patent number
10,174,825
Issue date
Jan 8, 2019
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing having continuous-contact tooth profile formed...
Patent number
9,903,459
Issue date
Feb 27, 2018
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing having double-contact negative deflection tooth...
Patent number
9,746,065
Issue date
Aug 29, 2017
HARMONIC DRIVE SYSTEM INC.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having tapered flexible external gear
Patent number
9,534,681
Issue date
Jan 3, 2017
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing with involute positive deflection tooth profile...
Patent number
9,416,861
Issue date
Aug 16, 2016
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having three-dimensional contacting involute posit...
Patent number
9,057,421
Issue date
Jun 16, 2015
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having three-dimensional-contact tooth profile
Patent number
9,052,004
Issue date
Jun 9, 2015
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device provided with tapered flexible externally toothed...
Patent number
8,910,545
Issue date
Dec 16, 2014
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having three-dimensionally contactable shifted too...
Patent number
8,776,638
Issue date
Jul 15, 2014
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having three-dimensional continuous contact tooth...
Patent number
8,661,940
Issue date
Mar 4, 2014
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear device having compound tooth profile of positive deflecti...
Patent number
8,661,939
Issue date
Mar 4, 2014
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Image display device
Patent number
8,570,290
Issue date
Oct 29, 2013
Panasonic Corporation
Jun Nakai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Maximum meshable tooth profile having non-positive deflection in fl...
Patent number
8,555,505
Issue date
Oct 15, 2013
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Image display device
Patent number
8,542,214
Issue date
Sep 24, 2013
Panasonic Corporation
Jun Nakai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for setting gear tooth profile in flat wave gear device on s...
Patent number
8,028,603
Issue date
Oct 4, 2011
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear drive having negative deflection meshing tooth profile
Patent number
7,735,396
Issue date
Jun 15, 2010
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear drive with continuous meshing, high ratcheting torque too...
Patent number
7,694,607
Issue date
Apr 13, 2010
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear drive having high ratcheting torque tooth profile
Patent number
7,530,292
Issue date
May 12, 2009
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear drive having widely engaging tooth profile
Patent number
7,328,632
Issue date
Feb 12, 2008
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gear drive with wide mesh three-dimensional tooth profile
Patent number
7,117,759
Issue date
Oct 10, 2006
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Wave gearing with three-dimensional deviatedly meshed tooth profile
Patent number
6,799,489
Issue date
Oct 5, 2004
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Negative deflection flexible meshing type gear device having passin...
Patent number
6,526,849
Issue date
Mar 4, 2003
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Flexible meshing type gear device having deflection meshing involut...
Patent number
6,467,375
Issue date
Oct 22, 2002
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Flexible meshing type gearing having three-dimensional, non-interac...
Patent number
6,167,783
Issue date
Jan 2, 2001
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strain wave gearing having a non-interfering wide mesh range tooth...
Patent number
5,918,508
Issue date
Jul 6, 1999
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Flexible meshing type gear device with negative deflection passing...
Patent number
5,782,143
Issue date
Jul 21, 1998
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
STRAIN WAVE GEARING WITH FULL SEPARATION OF TWO STRESSES
Publication number
20190003569
Publication date
Jan 3, 2019
HARMONIC DRIVE SYSTEMS INC.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRAIN WAVE GEARING WITH FULL SEPARATION OF TWO STRESSES
Publication number
20180347679
Publication date
Dec 6, 2018
Harmonic Drive Systems Inc.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
TWO STRESS-SEPARATION STRAIN WAVE GEARING
Publication number
20180259053
Publication date
Sep 13, 2018
HARMONIC DRIVE SYSTEMS INC.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRAIN WAVE GEARING WITH COMPOUND MESHING THAT INVOLVES CONGRUITY O...
Publication number
20180149255
Publication date
May 31, 2018
HARMONIC DRIVE SYSTEMS INC.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRAIN WAVE GEARING HAVING CONTINUOUS-CONTACT TOOTH PROFILE FORMED...
Publication number
20170159789
Publication date
Jun 8, 2017
Harmonic Drive Systems Inc.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PASSING-TYPE-MESHING NEGATIVE-DEFLECTION STRAIN WAVE GEARING
Publication number
20160356373
Publication date
Dec 8, 2016
Harmonic Drive Systems Inc.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRAIN WAVE GEARING HAVING DOUBLE-CONTACT NEGATIVE DEFLECTION TOOTH...
Publication number
20160003338
Publication date
Jan 7, 2016
Harmonic Drive Systems Inc.
Shoichi ISHIKAWA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STRAIN WAVE GEARING WITH INVOLUTE POSITIVE DEFLECTION TOOTH PROFILE...
Publication number
20140345406
Publication date
Nov 27, 2014
HARMONIC DRIVE SYSTEMS INC.
Shoichi Ishikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
WAVE GEAR DEVICE HAVING THREE-DIMENSIONAL-CONTACT TOOTH PROFILE
Publication number
20140047937
Publication date
Feb 20, 2014
Harmonic Drive Systems Inc.
Shoichi Ishikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
WAVE GEAR DEVICE HAVING THREE-DIMENSIONAL CONTACTING INVOLUTE POSIT...
Publication number
20130081496
Publication date
Apr 4, 2013
Harmonic Drive Systems Inc.
Shoichi Ishikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
WAVE GEAR DEVICE PROVIDED WITH TAPERED FLEXIBLE EXTERNALLY TOOTHED...
Publication number
20120304791
Publication date
Dec 6, 2012
Harmonic Drive Systems Inc.
Shoichi Ishikawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
WAVE GEAR DEVICE HAVING THREE-DIMENSIONAL CONTINUOUS CONTACT TOOTH...
Publication number
20120285283
Publication date
Nov 15, 2012
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
IMAGE DISPLAY DEVICE
Publication number
20110279391
Publication date
Nov 17, 2011
PANASONIC CORPORATION
Jun Nakai
B60 - VEHICLES IN GENERAL
Information
Patent Application
WAVE GEAR DEVICE HAVING THREE-DIMENSIONALLY CONTACTABLE SHIFTED TOO...
Publication number
20110237382
Publication date
Sep 29, 2011
HARMONIC DRIVE SYSTEMS INC.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
IMAGE DISPLAY DEVICE
Publication number
20110187675
Publication date
Aug 4, 2011
PANASONIC CORPORATION
Jun Nakai
B60 - VEHICLES IN GENERAL
Information
Patent Application
WAVE GEAR DEVICE HAVING COMPOUND TOOTH PROFILE OF POSITIVE DEFLECTI...
Publication number
20110154928
Publication date
Jun 30, 2011
HARMONIC DRIVE SYSTEMS INC.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method for setting non-positive deflection, maximum meshable tooth...
Publication number
20110138952
Publication date
Jun 16, 2011
Harmonic Drive Systems, Inc.
Shoichi Ishikawa
G01 - MEASURING TESTING
Information
Patent Application
Method For Setting Gear Tooth Profile In Flat Wave Gear Device On S...
Publication number
20090139358
Publication date
Jun 4, 2009
Harmonic Drive Systems Inc.
Shoichi Ishikawa
G01 - MEASURING TESTING
Information
Patent Application
Method For Setting Nonpositive Deflection, Maximum Meshable Tooth P...
Publication number
20090139357
Publication date
Jun 4, 2009
Harmonic Drive Systems Inc.
Shoichi Ishikawa
G01 - MEASURING TESTING
Information
Patent Application
Wave Gear Drive Having Negative Deflection Meshing Tooth Profile
Publication number
20070266819
Publication date
Nov 22, 2007
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Wave gear drive with continuous meshing, high ratcheting torque too...
Publication number
20070180947
Publication date
Aug 9, 2007
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Wave gear drive having widely engaging tooth profile
Publication number
20070022838
Publication date
Feb 1, 2007
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Wave gear drive with wide mesh three-dimensional tooth profile
Publication number
20050044986
Publication date
Mar 3, 2005
Harmonic Drive Systems Inc.
Shoichi Ishikawa
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...