Inventor
KAKU NOBUYUKI
JP84 patents
⚠️ This page may combine multiple inventors who share the name “KAKU NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS6334686B1Jan 1, 2002
Display optical unit and display apparatus
HITACHI LTD75 citations96
US6280038B1Aug 28, 2001
Optical equipment
HITACHI LTD66 citations96
US5825969AOct 20, 1998
Information management apparatus for inhibiting reproduction in a video cassette recorder
HITACHI LTD30 citations96
US6290360B1Sep 18, 2001
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD59 citations95
US7021768B2Apr 4, 2006
Optical apparatus
HITACHI LTD11 citations93
US6431710B2Aug 13, 2002
Optical apparatus
HITACHI LTD23 citations93
US5701214ADec 23, 1997
Tape loading device in magnetic recording/playback apparatus that controls loading based on calculated reel inertia and tape position
HITACHI LTD29 citations93
US6783245B2Aug 31, 2004
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD17 citations92
US6595645B2Jul 22, 2003
Display optical unit and display apparatus using this unit
HITACHI LTD19 citations92
US5808824ASep 15, 1998
Tape feed control system
HITACHI LTD30 citations92
US7796206B2Sep 14, 2010
Image displaying apparatus
HITACHI LTD12 citations90
US7843525B2Nov 30, 2010
Liquid crystal display appliance
HITACHI LTD8 citations84
US6796660B2Sep 28, 2004
Display optical unit and display apparatus using this unit
HITACHI LTD13 citations84
US7175284B2Feb 13, 2007
Projection type display apparatus
HITACHI LTD6 citations74
US6857749B2Feb 22, 2005
Projection type display apparatus
HITACHI LTD7 citations74
US6388831B1May 14, 2002
Apparatus and method for limiting the reproduction of main information
HITACHI LTD3 citations74
US6204985B1Mar 20, 2001
Information management apparatus
HITACHI LTD6 citations74
US6031677AFeb 29, 2000
Information management apparatus
HITACHI LTD3 citations74
US5959803ASep 28, 1999
Cartridge changer, data storage unit using the changer and apparatus using the data storage unit
HITACHI LTD16 citations74
US5115361AMay 19, 1992
Guide mechanism for positioning tape guides in a magnetic tape loading apparatus
HITACHI LTD8 citations74
US5041928AAug 20, 1991
Apparatus for loading a tape on a magnetic head drum of a helical scanning type video tape recorder
HITACHI LTD12 citations74
US4991039AFeb 5, 1991
Apparatus for detecting tape-end
HITACHI LTD16 citations74
US4837646AJun 6, 1989
Tape guide apparatus for helically wound tape
HITACHI LTD12 citations74
US4814910AMar 21, 1989
Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head
HITACHI LTD10 citations74
US4780783AOct 25, 1988
Locking device for a cover of magnetic tape cartridge
HITACHI LTD13 citations74
US6824273B2Nov 30, 2004
Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same
HITACHI LTD9 citations73
US5739976AApr 14, 1998
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations73
US5570831ANov 5, 1996
Pneumatic static guide for a tape
HITACHI LTD14 citations73
US4862300AAug 29, 1989
Tape guide moving mechanism for magnetic record reproducing apparatus
HITACHI LTD7 citations73
US5307215AApr 26, 1994
Method and device for loading tape in magnetic recorder
HITACHI LTD9 citations72
US4928191AMay 22, 1990
Tape loading mechanism for a rotating drum and cassette type magnetic recording and/or reproduction apparatus
HITACHI LTD9 citations72
MAXELL LTD
14 patentsUS10457199B2Oct 29, 2019
Image projection apparatus
MAXELL LTD14 citations94
US11249341B2Feb 15, 2022
Image projection apparatus
MAXELL LTD7 citations86
USD848517SMay 14, 2019
Projector
MAXELL LTD15 citations85
US10794719B2Oct 6, 2020
Vehicle image projection apparatus that projects an image in the front and back of a vehicle based on sensor information
MAXELL LTD9 citations84
US10647248B2May 12, 2020
Image projection apparatus
MAXELL LTD6 citations84
USD844043SMar 26, 2019
Projector
MAXELL LTD13 citations83
USD828864SSep 18, 2018
Projector
MAXELL LTD14 citations82
US12196570B2Jan 14, 2025
Image projection apparatus, of a vehicle, that projects an image on a surface
MAXELL LTD1 citations75
US11701994B2Jul 18, 2023
Vehicle
MAXELL LTD4 citations75
US11752870B2Sep 12, 2023
Vehicle
MAXELL LTD1 citations73
US11340089B2May 24, 2022
Vehicle having a projector for projecting an image on a road surface
MAXELL LTD4 citations73
US11247605B2Feb 15, 2022
Image projection apparatus configured to project an image on a road surface
MAXELL LTD3 citations73
US11153543B2Oct 19, 2021
Illuminating apparatus
MAXELL LTD2 citations73
USD827693SSep 4, 2018
Projector
MAXELL LTD5 citations71
HITACHI MAXELL
3 patentsUS5706146AJan 6, 1998
Cassette detecting and discriminating arrangement in a cassette transport mechanism for loading and unloading tape cassettes of varying sizes and cassettes for use therewith
HITACHI MAXELL18 citations83
US5927632AJul 27, 1999
Tape cassette having a surface recess for positioning accuracy in loading thereof
HITACHI MAXELL6 citations73
US5702062ADec 30, 1997
Tape cassette
HITACHI MAXELL7 citations73
HITACHI VIDEO ENG
2 patentsShowing the top 50 of 84 patents by PatentIndex Score.