P

Inventor

KIYOMI KAZUMASA

JP10 patents
⚠️ This page may combine multiple inventors who share the name “KIYOMI KAZUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CHEM CORP

7 patents
US6265733B1Jul 24, 2001

Semiconductor device and method for manufacturing the same

MITSUBISHI CHEM CORP15 citations92
US6387721B1May 14, 2002

Semiconductor light-emitting device and manufacturing method for the same

MITSUBISHI CHEM CORP34 citations91
US6807213B1Oct 19, 2004

Semiconductor optical device apparatus

MITSUBISHI CHEM CORP29 citations89
US6707071B2Mar 16, 2004

Semiconductor light-emitting device

MITSUBISHI CHEM CORP14 citations82
US6744066B2Jun 1, 2004

Semiconductor device and method for manufacturing the same

MITSUBISHI CHEM CORP3 citations62
US6589807B2Jul 8, 2003

Semiconductor device and method for manufacturing the same

MITSUBISHI CHEM CORP1 citations62
US9112096B2Aug 18, 2015

Method for producing group-III nitride semiconductor crystal, group-III nitride semiconductor substrate, and semiconductor light emitting device

MITSUBISHI CHEM CORP1 citations51

KIYOMI KAZUMASA

1 patent
US8142566B2Mar 27, 2012

Method for producing Ga-containing nitride semiconductor single crystal of BxAlyGazIn1-x-y-zNsPtAs1-s-t (0<=x<=1, 0<=y<1, 0<z<=1, 0<s<=1 and 0<=t<1) on a substrate

KIYOMI KAZUMASA35 citations85

FUJITO KENJI

1 patent
US8269251B2Sep 18, 2012

Method for producing group III nitride semiconductor crystal, group III nitride semiconductor substrate, and semiconductor light-emitting device

FUJITO KENJI7 citations81

UNIV TOHOKU

1 patent
US7794541B2Sep 14, 2010

Gallium nitride-based material and method of manufacturing the same

UNIV TOHOKU7 citations69