Inventor
HARUNA FUMIO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HARUNA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5396257AMar 7, 1995
Mutiscreen display apparatus
HITACHI LTD120 citations97
US6945653B2Sep 20, 2005
Anti-glare device for projector
HITACHI LTD70 citations96
US7090352B2Aug 15, 2006
Projector type display apparatus
HITACHI LTD46 citations95
US7284864B2Oct 23, 2007
Projector type display apparatus
HITACHI LTD12 citations91
US7165844B2Jan 23, 2007
Projector type display apparatus
HITACHI LTD15 citations91
US7239308B2Jul 3, 2007
Image display apparatus
HITACHI LTD11 citations83
US7092045B2Aug 15, 2006
Projection-type display apparatus
HITACHI LTD17 citations83
US7541748B2Jun 2, 2009
Discharge lamp lighting device
HITACHI LTD2 citations61
HITACHI MEDIA ELECTRON KK
5 patentsUS7276864B2Oct 2, 2007
Discharge lamp lighting device and projection type image display apparatus having the same
HITACHI MEDIA ELECTRON KK2 citations61
US7023146B2Apr 4, 2006
Discharge lamp lighting apparatus
HITACHI MEDIA ELECTRON KK2 citations61
US6995523B2Feb 7, 2006
Discharge lamp lighting device
HITACHI MEDIA ELECTRON KK2 citations61
US9218786B2Dec 22, 2015
Image display device
HITACHI MEDIA ELECTRON KK2 citations59
US7202612B2Apr 10, 2007
Discharge lamp lighting apparatus
HITACHI MEDIA ELECTRON KK0 citations51