Inventor
UEHARA HIDEKAZU
JP49 patents
⚠️ This page may combine multiple inventors who share the name “UEHARA HIDEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI HEAVY IND LTD
19 patentsUS8025296B2Sep 27, 2011
Shaft sealing mechanism
MITSUBISHI HEAVY IND LTD27 citations92
US7261515B2Aug 28, 2007
Shaft sealing mechanism, structure for mounting shaft sealing mechanism on stator, and turbine
MITSUBISHI HEAVY IND LTD21 citations92
US7226053B2Jun 5, 2007
Shaft seal mechanism, shaft seal mechanism assembling structure and large size fluid machine
MITSUBISHI HEAVY IND LTD43 citations92
US7066468B2Jun 27, 2006
Shaft seal and gas turbine
MITSUBISHI HEAVY IND LTD47 citations92
US6976680B2Dec 20, 2005
Shaft seal structure and turbine
MITSUBISHI HEAVY IND LTD43 citations92
US6736597B2May 18, 2004
Axis seal mechanism and turbine
MITSUBISHI HEAVY IND LTD25 citations92
US9103223B2Aug 11, 2015
Shaft sealing device and rotating machine comprising same
MITSUBISHI HEAVY IND LTD19 citations84
US7364165B2Apr 29, 2008
Shaft seal mechanism
MITSUBISHI HEAVY IND LTD11 citations83
US7334328B2Feb 26, 2008
Method of manufacturing axis seals having reduced gas leakage properties and a rotary machine using axis seals
MITSUBISHI HEAVY IND LTD16 citations75
US9841104B2Dec 12, 2017
Shaft sealing apparatus
MITSUBISHI HEAVY IND LTD4 citations73
US10519791B2Dec 31, 2019
Shaft sealing device, rotating machine, and method for manufacturing shaft sealing device
MITSUBISHI HEAVY IND LTD3 citations72
US11905838B2Feb 20, 2024
Seal member and rotary machine
MITSUBISHI HEAVY IND LTD0 citations60
US12281708B2Apr 22, 2025
Seal device
MITSUBISHI HEAVY IND LTD0 citations58
US9593588B2Mar 14, 2017
Shaft seal mechanism
MITSUBISHI HEAVY IND LTD1 citations51
US9534690B2Jan 3, 2017
Leakage prevention seal, and pump for nuclear reactor cooling material
MITSUBISHI HEAVY IND LTD1 citations49
US9644744B2May 9, 2017
Shaft sealing device and rotating machine provided therewith
MITSUBISHI HEAVY IND LTD0 citations42
US9091348B2Jul 28, 2015
Shaft sealing apparatus and rotating machine equipped therewith
MITSUBISHI HEAVY IND LTD0 citations42
US10024434B2Jul 17, 2018
Shaft seal device and rotary machine
MITSUBISHI HEAVY IND LTD0 citations41
US10311984B2Jun 4, 2019
Shaft sealing structure and reactor coolant pump
MITSUBISHI HEAVY IND LTD0 citations36
MITSUBISHI HITACHI POWER SYS
15 patentsUS10316679B2Jun 11, 2019
Seal structure and rotating machine
MITSUBISHI HITACHI POWER SYS6 citations73
US9879786B2Jan 30, 2018
Rotary machine
MITSUBISHI HITACHI POWER SYS5 citations73
US9677669B2Jun 13, 2017
Shaft seal device and rotary machine
MITSUBISHI HITACHI POWER SYS3 citations73
US10190433B2Jan 29, 2019
Shaft sealing mechanism
MITSUBISHI HITACHI POWER SYS2 citations72
US10006292B2Jun 26, 2018
Turbine
MITSUBISHI HITACHI POWER SYS6 citations72
US10975711B2Apr 13, 2021
Seal structure and turbine
MITSUBISHI HITACHI POWER SYS2 citations71
US11028731B2Jun 8, 2021
Casing position adjustment device
MITSUBISHI HITACHI POWER SYS0 citations58
US10927765B2Feb 23, 2021
Seal segment and rotary machine
MITSUBISHI HITACHI POWER SYS0 citations50
US10619505B2Apr 14, 2020
Clearance-control-type seal structure
MITSUBISHI HITACHI POWER SYS0 citations41
US10385714B2Aug 20, 2019
Seal structure and rotary machine
MITSUBISHI HITACHI POWER SYS0 citations41
US10731499B2Aug 4, 2020
Seal device for turbine, turbine, and thin plate for seal device
MITSUBISHI HITACHI POWER SYS0 citations40
US10662796B2May 26, 2020
Seal device for turbine, turbine, and thin plate for seal device
MITSUBISHI HITACHI POWER SYS0 citations40
US10196987B2Feb 5, 2019
Shaft sealing mechanism
MITSUBISHI HITACHI POWER SYS0 citations40
US10174844B2Jan 8, 2019
Shaft seal mechanism
MITSUBISHI HITACHI POWER SYS0 citations40
US10876481B2Dec 29, 2020
Seal segment and rotary machine
MITSUBISHI HITACHI POWER SYS0 citations39
UEHARA HIDEKAZU
5 patentsUS9841109B2Dec 12, 2017
Shaft seal mechanism and rotary machine provided with same
UEHARA HIDEKAZU2 citations71
US9046179B2Jun 2, 2015
Axial seal structure and rotation mechanism provided with same
UEHARA HIDEKAZU3 citations62
US8413992B2Apr 9, 2013
Shaft seal and rotary machine with same
UEHARA HIDEKAZU4 citations62
US9488279B2Nov 8, 2016
Method for fabricating shaft sealing device and jig for fabricating shaft sealing device, and rotary machine provided with shaft sealing device
UEHARA HIDEKAZU1 citations51
US9404375B2Aug 2, 2016
Shaft seal device and rotary machine including shaft seal device
UEHARA HIDEKAZU1 citations51
MITSUBISHI HITACHI POWER SYS LTD
4 patentsUS11614035B2Mar 28, 2023
Seal segment and rotating machine
MITSUBISHI HITACHI POWER SYS LTD0 citations50
US11319825B2May 3, 2022
Sealing device and rotary machine
MITSUBISHI HITACHI POWER SYS LTD0 citations50
US11293350B2Apr 5, 2022
Seal segment and rotary machine
MITSUBISHI HITACHI POWER SYS LTD0 citations50
US11187097B2Nov 30, 2021
Rotary machine
MITSUBISHI HITACHI POWER SYS LTD0 citations50