P

Inventor

KAGAWA KAZUHIKO

JP12 patents
⚠️ This page may combine multiple inventors who share the name “KAGAWA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

4 patents
US7098418B1Aug 29, 2006

Vacuum circuit breaker, vacuum circuit breaker contact slow closing method, and contact erosion measuring method and contact gap length setting method using that slow closing method

MITSUBISHI ELECTRIC CORP34 citations92
US6369995B1Apr 9, 2002

Protection relay device for distribution equipment

MITSUBISHI ELECTRIC CORP20 citations89
US6295191B1Sep 25, 2001

Switching apparatus

MITSUBISHI ELECTRIC CORP18 citations82
US6574084B1Jun 3, 2003

Electromagnetic repulsion driven switch

MITSUBISHI ELECTRIC CORP2 citations57

SAKUTA HIROAKI

3 patents
US8829778B2Sep 9, 2014

White light-emitting semiconductor devices

SAKUTA HIROAKI6 citations81
US8581488B2Nov 12, 2013

White light-emitting semiconductor devices

SAKUTA HIROAKI13 citations81
US8829780B2Sep 9, 2014

White semiconductor light emitting device

SAKUTA HIROAKI6 citations70

KASAKURA AKEO

2 patents
US8710741B2Apr 29, 2014

Illuminating device

KASAKURA AKEO0 citations50
US8258699B2Sep 4, 2012

Illuminating device

KASAKURA AKEO0 citations50

MITSUBISHI CHEM CORP

1 patent
US7923928B2Apr 12, 2011

Illuminating device

MITSUBISHI CHEM CORP7 citations83

MARUYAMA TAKANAO

1 patent
US8115124B2Feb 14, 2012

Circuit breaker

MARUYAMA TAKANAO21 citations82

KAGAWA KAZUHIKO

1 patent
US8089021B2Jan 3, 2012

Vacuum circuit breaker

KAGAWA KAZUHIKO5 citations56