Inventor
OYAMA HIROHARU
JP32 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA HIROHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI HITACHI POWER SYS
22 patentsUS10316675B2Jun 11, 2019
Turbine
MITSUBISHI HITACHI POWER SYS7 citations84
US10954808B2Mar 23, 2021
Sealing device and rotary machine
MITSUBISHI HITACHI POWER SYS2 citations73
US10557363B2Feb 11, 2020
Sealing structure and rotary machine
MITSUBISHI HITACHI POWER SYS5 citations73
US10316679B2Jun 11, 2019
Seal structure and rotating machine
MITSUBISHI HITACHI POWER SYS6 citations73
US9896952B2Feb 20, 2018
Rotating machine
MITSUBISHI HITACHI POWER SYS2 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
US10982719B2Apr 20, 2021
Seal fin, seal structure, and turbo machine
MITSUBISHI HITACHI POWER SYS0 citations62
US10718434B2Jul 21, 2020
Step seal, seal structure, turbo machine, and method for manufacturing step seal
MITSUBISHI HITACHI POWER SYS1 citations62
US10662785B2May 26, 2020
Method of welding erosion resistance metallic material and turbine blade
MITSUBISHI HITACHI POWER SYS0 citations49
US10105752B2Oct 23, 2018
Turbine blade manufacturing method
MITSUBISHI HITACHI POWER SYS0 citations44
US10316680B2Jun 11, 2019
Turbine
MITSUBISHI HITACHI POWER SYS0 citations42
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
US10107113B2Oct 23, 2018
Steam turbine vane manufacturing method
MITSUBISHI HITACHI POWER SYS0 citations38
US9919392B2Mar 20, 2018
Method for manufacturing turbine rotor blade
MITSUBISHI HITACHI POWER SYS0 citations38
US10370734B2Aug 6, 2019
Method for heat treatment of stainless member, and method for producing forged stainless product
MITSUBISHI HITACHI POWER SYS0 citations34