Inventor
NAKAZONO MASAHIKO
JP8 patents
Patents
8 patentsUS6238186B1May 29, 2001
Method of manufacturing a blade for fluid machinery
TOSHIBA KK9 citations66
US10425027B2Sep 24, 2019
Variable-speed operation control apparatus and hydroelectric power generation system
TOSHIBA KK2 citations63
US11608809B2Mar 21, 2023
Startup method of Francis turbine and Francis turbine
TOSHIBA KK0 citations52
US11566597B2Jan 31, 2023
Startup method of francis turbine and francis turbine
TOSHIBA KK0 citations52
US11566595B2Jan 31, 2023
Francis-type turbine runner and Francis-type turbine
TOSHIBA KK0 citations45
US11359596B2Jun 14, 2022
Francis-type turbine runner and Francis-type turbine
TOSHIBA KK0 citations42
US10968882B2Apr 6, 2021
Movable-blade operation system for hydraulic machine
TOSHIBA KK0 citations42
US12055453B2Aug 6, 2024
Stress estimation method for machine structure and monitoring method for machine structure
TOSHIBA KK0 citations41