Inventor
NISHIDA TETSUYA
JP63 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
38 patentsUS6236635B1May 22, 2001
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD93 citations99
US5414451AMay 9, 1995
Three-dimensional recording and reproducing apparatus
HITACHI LTD141 citations98
US7286153B1Oct 23, 2007
Three-dimensional recording and reproducing apparatus
HITACHI LTD45 citations96
US7012871B2Mar 14, 2006
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD40 citations96
US6529467B2Mar 4, 2003
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD25 citations96
US6343056B2Jan 29, 2002
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD23 citations96
US6231945B1May 15, 2001
Information recording medium
HITACHI LTD50 citations96
US5753413AMay 19, 1998
Rewritable medium for recording information in which the atomic arrangement is changed without the shape being changed and the optical constant is changed
HITACHI LTD67 citations96
US5614938AMar 25, 1997
Three-dimensional recording and reproducing apparatus
HITACHI LTD91 citations96
US4954379ASep 4, 1990
Information recording thin film and method for recording information
HITACHI LTD68 citations96
US5871881AFeb 16, 1999
Multilayer optical information medium
HITACHI LTD71 citations95
US6014363AJan 11, 2000
Phase change optical disk medium
HITACHI LTD20 citations93
US5846625ADec 8, 1998
Optical recording medium and information processing apparatus used therefor
HITACHI LTD23 citations93
US5479382ADec 26, 1995
Information recording medium comprising recording layer capable of recording under-exposure to recording laser beam
HITACHI LTD49 citations93
US5123007AJun 16, 1992
Method for recording, reproducing and erasing information and thin film for recording information
HITACHI LTD29 citations93
US4866672ASep 12, 1989
Information-recording thin film and method for recording and reproducing information
HITACHI LTD24 citations93
US4817053AMar 28, 1989
Apparatus for storing and retrieving information using an electron beam
HITACHI LTD35 citations93
US6636477B1Oct 21, 2003
Information recording medium and information recording device
HITACHI LTD37 citations92
US6383595B1May 7, 2002
Information recording medium
HITACHI LTD33 citations92
US6340555B1Jan 22, 2002
Information recording medium and information recording and reproducing apparatus using the same
HITACHI LTD17 citations92
US6132932AOct 17, 2000
Information recording medium and information recording and reproducing apparatus using the same
HITACHI LTD18 citations92
US4984231AJan 8, 1991
Optical information phase change recording medium having double protective layer
HITACHI LTD42 citations92
US6312779B1Nov 6, 2001
Information recording medium and information recording/reproducing apparatus
HITACHI LTD40 citations91
US6608806B2Aug 19, 2003
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD8 citations82
US6485808B2Nov 26, 2002
Method of manufacturing an optical disk substrate, an apparatus of manufacturing an optical disk and an optical disk substrate
HITACHI LTD14 citations81
US7907490B2Mar 15, 2011
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD2 citations74
US6436504B2Aug 20, 2002
Information recording medium
HITACHI LTD8 citations74
US5314734AMay 24, 1994
Information-recording medium
HITACHI LTD19 citations74
US5257256AOct 26, 1993
Recording waveform for mark-length modulation optical recording
HITACHI LTD18 citations74
US5084857AJan 28, 1992
Information recording method using a modulated recording beam at high, intermediate and low power levels
HITACHI LTD8 citations74
US5038338AAug 6, 1991
Recording waveform for mark-length modulation optical recording
HITACHI LTD11 citations74
US4806952AFeb 21, 1989
Information recording apparatus for recording/reproducing information by irradiating an information recording medium with an energy beam
HITACHI LTD8 citations74
US4668573AMay 26, 1987
Thin film for recording data
HITACHI LTD17 citations74
US7187643B2Mar 6, 2007
Information recording medium, information reproducing method, and information reproducing apparatus
HITACHI LTD7 citations73
US5273860ADec 28, 1993
Information recording medium
HITACHI LTD7 citations71
US6842415B2Jan 11, 2005
Information recording method and apparatus with suppressed mark edge jitters
HITACHI LTD1 citations63
US6740382B2May 25, 2004
Information recording medium
HITACHI LTD1 citations63
US4982396AJan 1, 1991
Information recording medium and apparatus using reversible phase change
HITACHI LTD5 citations63
KUBOTA LTD
5 patentsUS5088020AFeb 11, 1992
Pivotal movement control device for boom-equipped working machine
KUBOTA LTD75 citations96
US4845929AJul 11, 1989
Cutter-trimmer of walk-behind type
KUBOTA LTD36 citations92
US4775940AOct 4, 1988
Plowing depth detecting system for rotary plow
KUBOTA LTD42 citations89
US4979599ADec 25, 1990
Work vehicle
KUBOTA LTD18 citations74
US4553605ANov 19, 1985
Work-vehicle with rolling-control mechanism
KUBOTA LTD19 citations73
HITACHI MAXELL
2 patentsLUMENTUM JAPAN INC
2 patentsUNIV NIHON
1 patentHITACHI HIGH TECH CORP
1 patentHIRATA KOJI
1 patentShowing the top 50 of 63 patents by PatentIndex Score.