Inventor
KOHYAMA HARUHIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “KOHYAMA HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
10 patentsUS6392390B1May 21, 2002
Synchronous switching apparatus for use with a multiple phase power system
MITSUBISHI ELECTRIC CORP75 citations96
US7095139B2Aug 22, 2006
Transformer inrush current elimination system
MITSUBISHI ELECTRIC CORP33 citations92
US6172863B1Jan 9, 2001
Phase control switching system
MITSUBISHI ELECTRIC CORP51 citations92
US5514844AMay 7, 1996
Switch
MITSUBISHI ELECTRIC CORP41 citations92
US6493203B1Dec 10, 2002
Phase control switch apparatus
MITSUBISHI ELECTRIC CORP53 citations91
US7259947B2Aug 21, 2007
Phase control switching device
MITSUBISHI ELECTRIC CORP14 citations84
US8030590B2Oct 4, 2011
Gas-circuit breaker
MITSUBISHI ELECTRIC CORP11 citations83
US7763821B2Jul 27, 2010
Puffer-type gas blast circuit breaker
MITSUBISHI ELECTRIC CORP11 citations83
US7902696B2Mar 8, 2011
Controlled switching device
MITSUBISHI ELECTRIC CORP5 citations62
US7323652B2Jan 29, 2008
Gas insulated switchgear
MITSUBISHI ELECTRIC CORP5 citations62
TOYO BOSEKI
3 patentsUS7868126B2Jan 11, 2011
Process for producing polyester, polyester produced using said process, and polyester molded product
TOYO BOSEKI5 citations59
US11014053B2May 25, 2021
Cellulose acetate-based asymmetric hollow fiber membrane
TOYO BOSEKI0 citations56
US11007490B2May 18, 2021
Cellulose acetate-based hollow fiber membrane
TOYO BOSEKI1 citations56