Inventor
ISSHIKI FUMIO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “ISSHIKI FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS6768556B1Jul 27, 2004
Near-field optical probe, near-field optical microscope and optical recording/reproducing device with near-field optical probe
HITACHI LTD159 citations99
US6687013B2Feb 3, 2004
Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus
HITACHI LTD15 citations92
US7307927B2Dec 11, 2007
Optical disk apparatus and method for recording and reproducing an optical disk
HITACHI LTD11 citations83
US6952380B2Oct 4, 2005
Apparatus and method for recording information
HITACHI LTD13 citations83
US7187643B2Mar 6, 2007
Information recording medium, information reproducing method, and information reproducing apparatus
HITACHI LTD7 citations73
US6839142B2Jan 4, 2005
Laser interferometer displacement measuring system, exposure apparatus, and electron beam lithography apparatus
HITACHI LTD8 citations73
US7496025B2Feb 24, 2009
Optical disc drive apparatus with an indirect semiconductor laser containing an asymmetric quantum well structure
HITACHI LTD3 citations62
US7310290B2Dec 18, 2007
Tracking learning/adjusting method and optical disk device
HITACHI LTD1 citations52
US7457221B2Nov 25, 2008
Optical disc recording/reproduction device
HITACHI LTD1 citations51
HITACHI MEDIA ELECTRON KK
5 patentsUS8031565B2Oct 4, 2011
Optical pickup and optical information reproduction system
HITACHI MEDIA ELECTRON KK5 citations62
US7480216B2Jan 20, 2009
Optical information recording apparatus
HITACHI MEDIA ELECTRON KK4 citations62
US7889625B2Feb 15, 2011
Optical pickup and optical disk driving apparatus using the same
HITACHI MEDIA ELECTRON KK0 citations51
US8004956B2Aug 23, 2011
Optical disc drive, optical pickup and optical component used therefor
HITACHI MEDIA ELECTRON KK0 citations41
US7773488B2Aug 10, 2010
Information reproducing apparatus
HITACHI MEDIA ELECTRON KK0 citations40