Inventor

Naoki Kuwata

Inventor

Nagano, JP

Overview

1989–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 94 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television30%

H04BTransmission12%

G06TImage data processing or generation, in general11%

H04LTransmission of digital information, e.g. telegraphic communication10%

G06VImage or video recognition or understanding6%

G06FElectric digital data processing6%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses4%

H04JMultiplex communication4%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

PatentTitleYear

11,079,274Spectroscopic system2021 10,921,185Spectroscopic camera and electronic device2021 10,530,495Optical receiver, optical transceiver using the same, and control method of reception of optical signals2020 10,247,609Spectrometry device, image forming apparatus, and spectrometry method2019 10,243,667Optical transmitter and optical transmission method2019 9,804,025'Spectrometry device and image forming apparatus'2017 8,965,201'Optical transmission device and optical transmission method'2015 8,867,099'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2014 8,867,927'Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them'2014 8,737,848'Optical receiver'2014 8,681,380'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2014 8,645,818'Output image data generating device and method of generating output image data'2014 8,582,670'Receiving apparatus, transmitting-receiving apparatus, and transmission system method therefor'2013 8,553,285'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2013 8,446,978'Communication system'2013 8,306,439'Communication apparatus and signal reception method'2012 8,270,526'Communication system'2012 8,243,328'Printing method, printing apparatus, and storage medium storing a program'2012 7,978,247'Focusing information visualization device, and corresponding method, program and recording medium'2011 7,940,426'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2011 7,899,269'Method and device for image quality adjustment of multiple subject image data on layout locations in ornamental image data'2011 7,864,892'Control method and apparatus for receiving optical signal'2011 7,856,074'Signal processing system'2010 7,831,005'Jitter suppression circuit'2010 7,817,923'Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them'2010 7,777,914'Image-processing device and method using combined color correction table'2010 7,768,681'Image processing device and method of image processing'2010 7,755,801'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2010 7,751,644'Generation of image quality adjustment information and image quality adjustment with image quality adjustment information'2010 7,734,188'Deskew device and deskew method'2010 7,711,210'Selection of images for image processing'2010 7,689,133'Optical signal reception device and method of controlling optical signal reception'2010 7,657,096'Generation of digested image data'2010 7,643,601'Timing extraction circuit for use in optical receiver that uses clock of frequency equal to one half of data transmission rate, and duty cycle deviation handling circuit for use in optical transmitter and receiver'2010 7,634,035'Phase comparison circuit and clock recovery circuit'2009 7,555,061'Optical communication device'2009 7,512,263'Image processing system, image processing method, and medium having an image processing control program recorded thereon'2009 7,508,548'Image processing method and image processing apparatus'2009 7,483,168'Apparatus, method, signal and computer program product configured to provide output image adjustment of an image file'2009 7,466,871'Edge generation method, edge generation device, medium recording edge generation program, and image processing method'2008 7,444,085'DQPSK optical receiver circuit'2008 7,441,139'Skew adjusting circuit and method for parallel signals'2008 7,375,848'Output image adjustment method, apparatus and computer program product for graphics files'2008 7,340,186'Discrimination phase margin monitor circuit, transmitting/receiving device and communication system'2008 7,327,490'Image processing system via network'2008 7,292,371'Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium'2007 7,286,265'Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium'2007 7,259,894'Image processing apparatus, an image processing method, a medium on which an image processing control program is recorded, an image evaluation device, an image evaluation method and a medium on which an image evaluation program is recorded'2007 7,230,742'Image data interpolating apparatus and medium on which data interpolating program is recorded'2007 7,155,060'Image processing system, image processing method, and medium having an image processing control program recorded thereon'2006 7,110,599'Image data retouching apparatus, image data retouching method, and medium on which image data retouching program is recorded'2006 7,099,041'Image data background determining apparatus image data background determining method, and medium recording thereon image data background determination control program'2006 7,072,074'Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium'2006 7,027,088'Color to monotone conversion apparatus, color to monotone conversion method and a medium recording thereon a color to monotone conversion program'2006 7,027,741'Phase lock loop circuit and optical repeating apparatus, optical terminal apparatus, and optical communication system having the same'2006 7,019,867'Color correction device'2006 6,961,037'Processing of image data supplied to image display apparatus'2005 6,959,061'Phase comparator circuit'2005 6,954,289'Print data adjusting system, print data adjusting method, and software storage medium containing print data adjusting program'2005 6,947,078'Color correction apparatus, color correction method, and recording medium having color correction control program recorded'2005 6,937,370'Image data processing method, image data print apparatus, record medium recording image data processing program'2005 6,914,628'Image processing apparatus and method, and medium containing image processing control program'2005 6,906,826'Medium on which image modifying program is recorded, image modifying apparatus and method'2005 6,768,559'Medium on which printing control program is recorded, printing controller, and printing controlling method'2004 6,760,489'Apparatus and method for image data interpolation and medium on which image data interpolation program is recorded'2004 6,756,926'Optical transmitter and code conversion circuit used therefor'2004 6,754,381'Image processing system, image processing method, and medium having an image processing control program recorded thereon'2004 6,738,527'IMAGE PROCESSING APPARATUS, AN IMAGE PROCESSING METHOD, A MEDIUM ON WHICH AN IMAGE PROCESSING CONTROL PROGRAM IS RECORDED, AN IMAGE EVALUATION DEVICE, AND IMAGE EVALUATION METHOD AND A MEDIUM ON WHICH AN IMAGE EVALUATION PROGRAM IS RECORDED'2004 6,714,204'Image processing system'2004 6,621,594'Printed data correcting device, printed data correcting method, and software recording medium on which printed data correcting program is recorded'2003 6,614,553'Apparatus and method for image data interpolation and medium on which image data interpolation program is recorded'2003 6,595,707'Code conversion circuit for optical duobinary transmission and optical transmitter and receiver using same'2003 6,539,111'Image processing system, image processing method, and medium having an image processing control program recorded thereon'2003 6,535,301'Image processing apparatus, image processing method, image processing program recording medium, color adjustment method, color adjustment device, and color adjustment control program recording medium'2003 6,510,254'Apparatus and method for image data interpolation and medium on which image data interpolation program is recorded'2003 6,501,580'Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level'2002 6,404,509'Color correction device'2002 6,392,759'Edge-enhancement processing apparatus and method, and medium containing edge-enhancement processing program'2002 6,351,558'Image processing system, image processing method, and medium having an image processing control program recorded thereon'2002 6,351,546'Image processing method and image processing device'2002 6,154,573'Image processing method and image processing device'2000 6,151,410'Image processing apparatus, image processing method and medium for storing image-processing control program'2000 6,081,360'Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level'2000 6,064,236'Phase detector and timing extracting circuit using phase detector'2000 5,940,524'Image processing method and image processing device'1999 5,909,514'Image processing method and image processing device'1999 RE036088'Optical transmitter'1999 5,808,571'Synchronization control unit which maintains synchronization between serial-to-parallel converters operating in parallel, or between parallel-to-serial converters operating in parallel'1998 5,784,488'Image processing method and system'1998 5,768,441'Image processing method and apparatus'1998 5,764,813'Image processing method and image processing device'1998 5,751,185'Low pass filter circuit utilizing transistors as inductive elements'1998 5,170,274'Optical transmitter'1992 4,884,278'Semiconductor laser modulation control system'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2014Patents assigned to FUJITSU LTD (30)· patent assignee history

1989–2020Based in Yokohama, JP· patent location history

1998–2021Patents assigned to SEIKO EPSON CORP (61)· patent assignee history

1998–2014Based in Nagano, JP· patent location history

1998–2015Based in Kawasaki, JP· patent location history

2011–2021Based in Shiojiri, JP· patent location history

2012–2015Patents assigned to KUWATA NAOKI (11)· patent assignee history

2012–2014Patents assigned to IKEUCHI TADASHI (2)· patent assignee history

2014–2020Patents assigned to FUJITSU OPTICAL COMPONENTS LTD (4)· patent assignee history

2021Based in Shiojiri-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	61	1998–2021
FUJITSU LTD	30	1989–2014
KUWATA NAOKIself	11	2012–2015
FUJITSU OPTICAL COMPONENTS LTD	4	2014–2020
IKEUCHI TADASHI	2	2012–2014

Locations

Location	Patents	Span
Nagano, JP	53	1998–2014
Kawasaki, JP	27	1998–2015
Shiojiri, JP	5	2011–2021
Yokohama, JP	5	1989–2020
Shiojiri-shi, JP	1	2021