Inventor

Yoshihide Kiyosawa

Inventor

Azumino, JP

Overview

49→

Patents

1990–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 49 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F16Hprimary

F16HGearing43%

Y10TTechnical subjects covered by former us classification19%

F16CShafts15%

E21BEarth or rock drilling3%

B23PMetal-working not otherwise provided for2%

F02BInternal-combustion piston engines2%

F02DControlling combustion engines2%

F16DCouplings for transmitting rotation2%

LOC152%

B41FPrinting machines or presses1%

PatentTitleYear

11,092,223Dual-type strain wave gearing2021 11,002,348Rotary actuator and linear actuator2021 10,823,278Silk hat-type strain wave gear device2020 10,400,666Variable compression ratio mechanism for internal combustion engine2019 10,400,667Variable compression ratio mechanism for internal combustion engine2019 10,393,227Flat strain wave gearing2019 10,309,513Dual-type strain wave gearing2019 10,295,037Dual-type strain wave gearing2019 10,253,862Dual-type strain wave gearing2019 10,253,863Dual-type strain wave gearing2019 10,197,145Dual-type strain wave gearing2019 10,132,398Strain wave gearing and method for manufacturing multi-layer hollow body2018 10,006,534Bearing holder, bearing mechanism, and strain wave gearing device2018 9,989,141Fastening structure for fastening driven member to strain wave gearing device unit, and strain wave gearing device unit2018 9,797,497'Strain wave gearing'2017 9,772,021'Rotary actuator and strain wave gearing reduction drive unit'2017 9,709,151'Wave generator and strain wave gearing'2017 9,523,421'Strain wave gearing'2016 9,441,721'Strain wave gearing unit'2016 9,435,418'Wave generator of strain wave gearing'2016 9,382,993'Hollow-type strain wave gearing unit'2016 9,377,096'Wave generator of strain wave gearing'2016 9,371,900'Hollow strain wave gearing'2016 9,341,252'Wave generator and strain wave gearing'2016 8,864,387'Retainer for roller bearing and needle roller bearing'2014 8,136,761'Self-propelled wheel apparatus of aircraft'2012 7,955,005'Roll rotation mechanism'2011 7,905,326'Method for lubricating wave reduction gear, and rotating table device'2011 7,882,766'Automatic torque-switching apparatus'2011 7,637,664'Composite roll bearing'2009 7,484,436'Wave gear device'2009 7,249,536'Wave gear device'2007 6,732,435'Method of manufacturing a lightweight bearing'2004 6,564,677'Wave gear drive having a transfer-torque control mechanism'2003 6,318,210'Phase regulating apparatus'2001 D0440993'Gear for wave gear drive'2001 D0431255'Gear for wave gear drive'2000 6,082,222'Rigid internal gear of a wave gear drive'2000 6,065,362'Sealed-type wave gear device'2000 6,029,768'Power assist device for steering apparatus'2000 5,984,048'Lubricant supplying mechanism for a wave gear drive'1999 5,934,157'Flexible meshing type gear device having a high wear-resisting rigid internal gear'1999 5,893,814'Rotational power transmission device having planetary gears'1999 5,458,023'Flexing contact type gear drive of non-profile-shifted two-circular-arc composite tooth profile'1995 5,353,884'Positioning device for a member and drilling system employing said positioning device'1994 5,316,090'Attitude control device and drilling-direction control device'1994 5,307,885'Attitude and drilling-direction control device'1994 5,269,202'Cup-type harmonic drive having a short, flexible cup member'1993 4,974,470'Tooth profile of one of circular splines of flat-shaped strain wave gearing'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2021Patents assigned to HARMONIC DRIVE SYSTEMS (48)· patent assignee history

1990–1994Based in Hotaka-machi, JP· patent location history

1993–2014Based in Nagano, JP· patent location history

1994Patents assigned to SUMITOMO METAL IND (2)· patent assignee history

2011–2021Based in Azumino, JP· patent location history

2012–2014Patents assigned to KIYOSAWA YOSHIHIDE (2)· patent assignee history

2019Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (2)· patent assignee history

2019Patents assigned to NISSAN MOTOR (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HARMONIC DRIVE SYSTEMS	48	1990–2021
HITACHI AUTOMOTIVE SYSTEMS LTD	2	2019
KIYOSAWA YOSHIHIDEself	2	2012–2014
NISSAN MOTOR	2	2019
SUMITOMO METAL IND	2	1994

Locations

Location	Patents	Span
Azumino, JP	27	2011–2021
Nagano, JP	19	1993–2014
Hotaka-machi, JP	3	1990–1994