Inventor
WATANABE KATSUYUKI
JP82 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KATSUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS4613912ASep 23, 1986
Recording and reproducing apparatus for a video tape recorder
HITACHI LTD30 citations93
US6587638B1Jul 1, 2003
Recording/ reproducing apparatus and input/ output device
HITACHI LTD36 citations92
US6263151B1Jul 17, 2001
Recording/reproducing apparatus and reproducing apparatus
HITACHI LTD21 citations92
US5978546ANov 2, 1999
Digital/analog compatible video tape recorder
HITACHI LTD21 citations92
US4786986ANov 22, 1988
Magnetic recording and reproducing apparatus
HITACHI LTD31 citations91
US6850694B1Feb 1, 2005
Video signal processing apparatus
HITACHI LTD13 citations82
US6215948B1Apr 10, 2001
Magnetic recording/reproducing apparatus and the same equipped with an image sensor
HITACHI LTD6 citations74
US7457526B2Nov 25, 2008
Recording/reproducing apparatus for video/audio signals
HITACHI LTD7 citations73
US5047866ASep 10, 1991
Comb filter type luminance/chrominance signal separation circuit
HITACHI LTD18 citations73
US5138505AAug 11, 1992
Tracking apparatus for a magnetic recording and playback apparatus with independent control of audio head with respect to video head
HITACHI LTD3 citations63
US4740847AApr 26, 1988
Magnetic recording/reproducing apparatus
HITACHI LTD6 citations63
US7263272B2Aug 28, 2007
Digital/analog compatible video tape recorder
HITACHI LTD1 citations62
US7210789B2May 1, 2007
Liquid crystal display device and liquid crystal cooling unit
HITACHI LTD2 citations62
US6272285B1Aug 7, 2001
Digital/analog compatible video tape recorder
HITACHI LTD3 citations62
FUJI PHOTO FILM CO LTD
13 patentsUS6376166B1Apr 23, 2002
Heat-developable photosensitive material
FUJI PHOTO FILM CO LTD14 citations84
US6566042B1May 20, 2003
Method for producing image and high-speed photothermographic material
FUJI PHOTO FILM CO LTD8 citations74
US6358677B1Mar 19, 2002
Heat-developable recording material
FUJI PHOTO FILM CO LTD11 citations74
US6329127B1Dec 11, 2001
Heat-developable photosensitive material and method for forming image using the same
FUJI PHOTO FILM CO LTD10 citations74
US6329134B1Dec 11, 2001
Heat-developable photosensitive material
FUJI PHOTO FILM CO LTD8 citations74
US6027872AFeb 22, 2000
Thermographic photographic element
FUJI PHOTO FILM CO LTD7 citations74
US5100759AMar 31, 1992
Color light-sensitive material with infrared dye releaser
FUJI PHOTO FILM CO LTD8 citations74
US7026109B2Apr 11, 2006
Photothermographic material
FUJI PHOTO FILM CO LTD2 citations63
US6482582B2Nov 19, 2002
Image recording material
FUJI PHOTO FILM CO LTD3 citations63
US6368782B1Apr 9, 2002
Photothermographic material
FUJI PHOTO FILM CO LTD6 citations63
US6350569B1Feb 26, 2002
Heat-developable photographic material
FUJI PHOTO FILM CO LTD4 citations63
US6274302B1Aug 14, 2001
Photothermographic element
FUJI PHOTO FILM CO LTD5 citations63
US6025122AFeb 15, 2000
Heat-developable photographic materials
FUJI PHOTO FILM CO LTD4 citations63
MAXELL LTD
10 patentsUS10171780B2Jan 1, 2019
Lighting apparatus
MAXELL LTD30 citations93
USD848517SMay 14, 2019
Projector
MAXELL LTD15 citations85
USD844043SMar 26, 2019
Projector
MAXELL LTD13 citations83
USD828864SSep 18, 2018
Projector
MAXELL LTD14 citations82
US11153543B2Oct 19, 2021
Illuminating apparatus
MAXELL LTD2 citations73
US10699552B2Jun 30, 2020
Lighting apparatus
MAXELL LTD1 citations73
US11606851B2Mar 14, 2023
Lighting apparatus
MAXELL LTD1 citations72
USD827693SSep 4, 2018
Projector
MAXELL LTD5 citations71
US10997846B2May 4, 2021
Lighting apparatus
MAXELL LTD0 citations62
US10551726B2Feb 4, 2020
Lighting apparatus
MAXELL LTD1 citations62
FUJIFILM CORP
8 patentsUS7497965B2Mar 3, 2009
Insulating film-forming composition, insulating film and production method thereof
FUJIFILM CORP23 citations92
US10093645B2Oct 9, 2018
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP4 citations83
US9475835B2Oct 25, 2016
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl) cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP11 citations83
US9221865B2Dec 29, 2015
Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
FUJIFILM CORP10 citations83
US7534292B2May 19, 2009
Film-forming composition, insulating film obtained from the composition and electronic device having the same
FUJIFILM CORP3 citations63
US7147999B2Dec 12, 2006
Photothermographic material
FUJIFILM CORP2 citations63
US7501185B2Mar 10, 2009
Film-forming composition, insulating material-forming composition, insulating film and electronic device
FUJIFILM CORP5 citations62
US7309752B2Dec 18, 2007
Polymer and film forming composition
FUJIFILM CORP5 citations62
KYOWA HAKKO KOGYO KK
3 patentsUS4384042AMay 17, 1983
Method and test composition for determination of hydrogen peroxide
KYOWA HAKKO KOGYO KK98 citations96
US4851353AJul 25, 1989
Method and test composition for determination of lipid peroxide
KYOWA HAKKO KOGYO KK15 citations74
US4271310AJun 2, 1981
Method of determining cholinesterase activity and choline derivatives for use in the method
KYOWA HAKKO KOGYO KK7 citations65
MEIDENSHA ELECTRIC MFG CO LTD
1 patentRIKEN
1 patentShowing the top 50 of 82 patents by PatentIndex Score.