Inventor
TAWA FUMIHIRO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “TAWA FUMIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
22 patentsUS6201229B1Mar 13, 2001
Light intensity converter
FUJITSU LTD67 citations96
US7106664B2Sep 12, 2006
Optical head and information storage device
FUJITSU LTD23 citations92
US6356395B1Mar 12, 2002
Light intensity distribution converting device and optical data storage apparatus
FUJITSU LTD20 citations92
US5754503AMay 19, 1998
Optical device with improved focused error detection and tracing error detection for optical disk drive
FUJITSU LTD24 citations89
US7492804B2Feb 17, 2009
Near-field light emitting device and data recording/reproduction apparatus
FUJITSU LTD9 citations84
US6930975B2Aug 16, 2005
Optical irradiation head and information recording/reproducing device
FUJITSU LTD19 citations84
US9101079B2Aug 4, 2015
Cooling unit and electronic equipment
FUJITSU LTD7 citations83
US6950598B1Sep 27, 2005
Light emitting head, information storage device, and composite head manufacturing method
FUJITSU LTD15 citations83
US6469838B2Oct 22, 2002
Illumination device having light intensity distribution converting elements
FUJITSU LTD7 citations74
US6115349ASep 5, 2000
Two laser source optical pickup with a plano-convex lens to compensate for aberration caused by discs of different thicknesses
FUJITSU LTD14 citations74
US5786911AJul 28, 1998
Optical scanning apparatus utilizing linear polarized beams
FUJITSU LTD9 citations74
US9784504B2Oct 10, 2017
Radiator and method for manufacturing radiator
FUJITSU LTD2 citations73
US10952350B2Mar 16, 2021
Cooling device and electronic apparatus
FUJITSU LTD0 citations62
USD742337SNov 3, 2015
Radiator for electronic device
FUJITSU LTD2 citations62
US6552966B2Apr 22, 2003
Recording head for optical recording system
FUJITSU LTD4 citations62
US7449278B2Nov 11, 2008
Multilayer optical recording medium and storage device
FUJITSU LTD1 citations52
US7239599B2Jul 3, 2007
Light irradiation head and information storage apparatus
FUJITSU LTD1 citations52
US6985421B2Jan 10, 2006
Optical device having a light emission unit emitting a light beam reflected by a light reflection unit to a substrate, and optical information recording apparatus using the same
FUJITSU LTD0 citations52
US6876620B2Apr 5, 2005
Optical storage device
FUJITSU LTD1 citations52
USD714235SSep 30, 2014
Radiator for electronic device
FUJITSU LTD1 citations51
US7304916B2Dec 4, 2007
Optical head, information storage apparatus, optical head design apparatus, and optical head design program storage medium
FUJITSU LTD0 citations42
US9661780B2May 23, 2017
Heat-receiver, cooling unit and electronic device
FUJITSU LTD0 citations41