Inventor
SAKAI HIROMITSU
JP43 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI HIROMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS7205676B2Apr 17, 2007
Wind turbine generator system
HITACHI LTD36 citations96
US7095130B2Aug 22, 2006
Wind turbine generator system
HITACHI LTD37 citations96
US6380796B2Apr 30, 2002
Semiconductor power converting apparatus
HITACHI LTD60 citations95
US7964980B2Jun 21, 2011
Wind turbine generator system
HITACHI LTD10 citations93
US7847427B2Dec 7, 2010
Wind turbine generator system
HITACHI LTD13 citations93
US7692323B2Apr 6, 2010
Wind turbine generator system
HITACHI LTD18 citations93
US7692325B2Apr 6, 2010
Wind power generation system
HITACHI LTD27 citations93
US7355296B2Apr 8, 2008
Wind turbine generator system
HITACHI LTD19 citations93
US6490182B2Dec 3, 2002
Power conversion apparatus
HITACHI LTD23 citations92
US7952214B2May 31, 2011
Wind power generation system and method of controlling power converter
HITACHI LTD19 citations84
US6809561B2Oct 26, 2004
Semiconductor power converting apparatus
HITACHI LTD8 citations73
US6703874B2Mar 9, 2004
Gate driver for MOS control semiconductor devices
HITACHI LTD8 citations73
US6242968B1Jun 5, 2001
Semiconductor power converting apparatus
HITACHI LTD6 citations73
US6727516B2Apr 27, 2004
Semiconductor power conversion apparatus
HITACHI LTD3 citations62
US6717177B2Apr 6, 2004
Semiconductor power conversion apparatus
HITACHI LTD0 citations52
UEMURA KOGYO KK
6 patentsUS4484936ANov 27, 1984
Degassing assembly
UEMURA KOGYO KK40 citations92
US4353933AOct 12, 1982
Method for controlling electroless plating bath
UEMURA KOGYO KK24 citations81
US4350717ASep 21, 1982
Controlling electroless plating bath
UEMURA KOGYO KK22 citations81
US4406248ASep 27, 1983
Apparatus for controlling electroless plating bath
UEMURA KOGYO KK9 citations73
US4406250ASep 27, 1983
Apparatus for controlling electroless plating bath
UEMURA KOGYO KK9 citations73
US4406249ASep 27, 1983
Apparatus for controlling electroless plating bath
UEMURA KOGYO KK6 citations62
SAKAI HIROMITSU
5 patentsUS8134168B2Mar 13, 2012
Group-III nitride semiconductor device
SAKAI HIROMITSU11 citations82
US8859313B2Oct 14, 2014
Method for manufacturing semiconductor light emitting element, semiconductor light emitting element, lamp, electronic device and mechanical apparatus
SAKAI HIROMITSU4 citations72
US8896085B2Nov 25, 2014
Semiconductor light-emitting element manufacturing method, lamp, electronic equipment, and mechanical apparatus
SAKAI HIROMITSU3 citations62
US8785227B2Jul 22, 2014
Method of manufacturing semiconductor light emitting element including re-growth layer for reducing warpage
SAKAI HIROMITSU2 citations62
US8772060B2Jul 8, 2014
Method for manufacturing group III nitride semiconductor light emitting element, group III nitride semiconductor light emitting element and lamp
SAKAI HIROMITSU2 citations62
ICHINOSE MASAYA
4 patentsUS8097971B2Jan 17, 2012
Wind turbine generator system
ICHINOSE MASAYA27 citations92
US8299642B2Oct 30, 2012
Wind power generation system
ICHINOSE MASAYA7 citations83
US8076790B2Dec 13, 2011
Wind turbine generator system
ICHINOSE MASAYA9 citations83
US8129851B2Mar 6, 2012
Wind power generation system and control method thereof
ICHINOSE MASAYA7 citations80
SHOWA DENKO KK
4 patentsUS8049227B2Nov 1, 2011
Group III nitride semiconductor light emitting device, method for producing the same, and lamp thereof
SHOWA DENKO KK2 citations63
US7951617B2May 31, 2011
Group III nitride semiconductor stacked structure and production method thereof
SHOWA DENKO KK2 citations63
US7514707B2Apr 7, 2009
Group III nitride semiconductor light-emitting device
SHOWA DENKO KK5 citations63
US7855386B2Dec 21, 2010
N-type group III nitride semiconductor layered structure
SHOWA DENKO KK2 citations60
SHINOHARA HIRONAO
3 patentsUS8421107B2Apr 16, 2013
Group-III nitride semiconductor light emitting device and production method thereof, and lamp
SHINOHARA HIRONAO25 citations92
US8492186B2Jul 23, 2013
Method for producing group III nitride semiconductor layer, group III nitride semiconductor light-emitting device, and lamp
SHINOHARA HIRONAO10 citations83
US8754441B2Jun 17, 2014
Semiconductor light-emitting device with a concavo-convex part formed on a P-type semiconductor layer and method for manufacturing semiconductor light-emitting device
SHINOHARA HIRONAO1 citations51