Inventor
KAWAKAMI KAZUTO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI KAZUTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
8 patentsUS6229722B1May 8, 2001
Multiple inverter system
TOSHIBA KK199 citations98
US5191519AMar 2, 1993
Current sharing control in a parallel inverter system
TOSHIBA KK322 citations98
US5929665AJul 27, 1999
Power converter with voltage drive switching device monitored by device parameters and electric parameters
TOSHIBA KK114 citations97
US6507505B2Jan 14, 2003
Power conversion device
TOSHIBA KK27 citations92
US6643150B2Nov 4, 2003
Control device for power converter
TOSHIBA KK15 citations83
US5621257AApr 15, 1997
Gate drive circuit for voltage-driven type power switching device
TOSHIBA KK11 citations73
US4721861AJan 26, 1988
Turbine helper drive apparatus
TOSHIBA KK12 citations70
US4752705AJun 21, 1988
Off-gate circuit for a GTO thyristor
TOSHIBA KK3 citations59
NIPPON STEEL & SUMITOMO METAL CORP
3 patentsUS9595376B2Mar 14, 2017
Non-oriented electrical steel sheet and manufacturing method thereof
NIPPON STEEL & SUMITOMO METAL CORP3 citations72
US8840734B2Sep 23, 2014
Non-oriented electrical steel sheet
NIPPON STEEL & SUMITOMO METAL CORP2 citations62
US10533242B2Jan 14, 2020
Steel for cold forging
NIPPON STEEL & SUMITOMO METAL CORP0 citations45