Inventor
HAYASAKA YASUSHI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “HAYASAKA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS7065472B2Jun 20, 2006
System for aiding the preparation of operation and maintenance plans for a power generation installation
HITACHI LTD31 citations96
US6907381B2Jun 14, 2005
System for aiding the preparation of operation and maintenance plans for a power-generation installation
HITACHI LTD32 citations96
US6853930B2Feb 8, 2005
System for aiding the preparation of operation and maintenance plans for a power generation installation
HITACHI LTD50 citations96
US6691065B2Feb 10, 2004
System foraiding the preparation of operation and maintenance plans for a power generation installation
HITACHI LTD33 citations96
US7065471B2Jun 20, 2006
Method and system for diagnosing state of gas turbine
HITACHI LTD52 citations89
US7839040B2Nov 23, 2010
Permanent-magnet generator rotor for gas turbine, manufacturing method therefor, and gas turbine
HITACHI LTD10 citations83
US7334993B2Feb 26, 2008
Gas turbine rotor blade, gas turbine using the rotor blade, and power plant using the gas turbine
HITACHI LTD19 citations83
US6895289B2May 17, 2005
Document management system and method
HITACHI LTD15 citations83
US10177621B2Jan 8, 2019
Rotating electric machine or wind power generation system
HITACHI LTD8 citations82
US7152005B2Dec 19, 2006
System for aiding the preparation of operation and maintenance plans for a power generation installation
HITACHI LTD6 citations73
US7107295B2Sep 12, 2006
System and method for document management and synchronization
HITACHI LTD4 citations61
US6874324B2Apr 5, 2005
Gas turbine and gas turbine power generator
HITACHI LTD4 citations57
US10033237B2Jul 24, 2018
Neutral ring for use in rotating electrical machine and method for manufacturing the same
HITACHI LTD0 citations50
US7762083B2Jul 27, 2010
Gas turbine plant and gas turbine power generator plant
HITACHI LTD0 citations41
HITACHI INDUSTRIAL PRODUCTS LTD
3 patentsUS10658898B2May 19, 2020
Method for manufacturing a neutral ring for use in rotating electrical machine
HITACHI INDUSTRIAL PRODUCTS LTD4 citations71
US11598694B2Mar 7, 2023
Abnormality diagnosis system for rotary electric machine
HITACHI INDUSTRIAL PRODUCTS LTD0 citations45
US12176795B2Dec 24, 2024
Rotary electric machine
HITACHI INDUSTRIAL PRODUCTS LTD0 citations41