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Hiroyuki Kurokawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Content supplying system which uses spatial light transmission
Patent number
9,025,961
Issue date
May 5, 2015
VLC Co., Ltd.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spatial light communication device
Patent number
8,958,700
Issue date
Feb 17, 2015
VLC Co., Ltd.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Autofocus apparatus with correction of focusing data
Patent number
8,373,792
Issue date
Feb 12, 2013
Nikon Corporation
Hiroyuki Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data playback apparatus and data playback method
Patent number
8,326,114
Issue date
Dec 4, 2012
Mitsubishi Electric Corporation
Masayuki Baba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Visible light communication apparatus
Patent number
8,131,154
Issue date
Mar 6, 2012
Planners Land Co., Ltd.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reflective collection-type light receiving unit and light receiving...
Patent number
7,960,698
Issue date
Jun 14, 2011
Planners Land Co., Ltd.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Autofocus apparatus
Patent number
7,209,175
Issue date
Apr 24, 2007
Nikon Corporation
Hiroyuki Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for making lithographic printing plate
Patent number
6,063,540
Issue date
May 16, 2000
Hiroyuki Kurokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Lens driving mechanism having an actuator
Patent number
5,966,248
Issue date
Oct 12, 1999
Nikon Corporation
Hiroyuki Kurokawa
G02 - OPTICS
Information
Patent Grant
Method for making lithographic printing plate
Patent number
5,756,251
Issue date
May 26, 1998
Mitsubishi Paper Mills Limited
Toshiro Kondo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process for treating plate surface of lithographic printing plate
Patent number
5,738,969
Issue date
Apr 14, 1998
Mitsubishi Paper Mills Limited
Hiroyuki Kurokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of printing with using lithographic printing plate made by s...
Patent number
5,714,302
Issue date
Feb 3, 1998
Mitsubishi Paper Mills Limited
Jun Urasaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Treating solution for lithographic printing plate
Patent number
5,525,455
Issue date
Jun 11, 1996
Mitsubishi Paper Mills Limited
Hiroyuki Kurokawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Full closed type diaphragm apparatus
Patent number
5,032,860
Issue date
Jul 16, 1991
Nikon Corporation
Hiroyuki Kurokawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Thermal transfer printer with image data processing
Patent number
4,991,113
Issue date
Feb 5, 1991
Seiko Instruments Inc.
Hiroyuki Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Construction Apparatus
Publication number
20240173722
Publication date
May 30, 2024
JDC Corporation
Ryota Yamaguchi
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Application
CONTENT SUPPLYING SYSTEM WHICH USES SPATIAL LIGHT TRANSMISSION
Publication number
20130343762
Publication date
Dec 26, 2013
OUTSTANDING TECHNOLOGY CO., LTD.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPATIAL LIGHT COMMUNICATION DEVICE
Publication number
20130336662
Publication date
Dec 19, 2013
OUTSTANDING TECHNOLOGY CO., LTD.
Fumitaka Murayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Autofocus apparatus
Publication number
20100110236
Publication date
May 6, 2010
Nikon Corporation
Hiroyuki Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REFLECTIVE COLLECTION-TYPE LIGHT RECEIVING UNIT AND LIGHT RECEIVING...
Publication number
20090283679
Publication date
Nov 19, 2009
Planners Land Co., Ltd.
Fumitaka MURAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VISIBLE LIGHT COMMUNICATION APPARATUS
Publication number
20090245806
Publication date
Oct 1, 2009
Planners Land Co., Ltd.
Fumitaka MURAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO SIGNAL RECEPTION TYPE VOCALIZING TOY AND VOCALIZING TOY APPAR...
Publication number
20090203286
Publication date
Aug 13, 2009
Planners Land Co., Ltd.
Fumitaka Murayama
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
DATA PLAYBACK APPARATUS AND DATA PLAYBACK METHOD
Publication number
20080131074
Publication date
Jun 5, 2008
MITSUBISHI ELECTRIC CORPORATION
Masayuki Baba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitting Apparatus, Receiving Apparatus, and Reproducing Apparatus
Publication number
20070248170
Publication date
Oct 25, 2007
Masayuki Baba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Autofocus apparatus
Publication number
20070236597
Publication date
Oct 11, 2007
Nikon Corporation
Hiroyuki Kurokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Dampening composition for lithographic printing
Publication number
20030127016
Publication date
Jul 10, 2003
Hiroyuki Kurokawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS