Inventor

Ryo Hasegawa

Inventor

Yokohama, JP

Overview

1999–2021

Patent span

Physics

Primary field (CPC G)

Patents· 66 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television20%

G09GArrangements or circuits for control of indicating devices using static means to present variable information12%

G03GElectrography10%

G02BOptical elements, systems or apparatus5%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

B01DSeparation4%

B03DFlotation4%

C02FTreatment of water, waste water, sewage, or sludge4%

H04LTransmission of digital information, e.g. telegraphic communication4%

F02DControlling combustion engines3%

PatentTitleYear

11,122,223Imaging element, imaging apparatus, image data processing method, and program2021 11,102,419Imaging control device, imaging apparatus, imaging control method, and imaging control program2021 11,095,845Imaging control device, imaging apparatus, imaging control method, and imaging control program2021 11,082,623Imaging control device, imaging apparatus, imaging control method, and imaging control program with light measurement2021 10,863,110Imaging control device, imaging apparatus, imaging control method, and imaging control program2020 10,798,308Imaging control device, imaging apparatus, imaging control method, and imaging control program2020 10,735,662Imaging control device, imaging apparatus, imaging control method, and imaging control program2020 10,718,298Exhaust gas recirculation system for internal combustion engine2020 10,661,411Apparatus for cleaning a polishing surface, polishing apparatus, and method of manufacturing an apparatus for cleaning a polishing surface2020 10,620,561Optical scanning device and image forming device2020 10,612,478Combustion control device for internal combustion engine2020 10,558,034Optical scanning device and image forming apparatus2020 10,532,503Optical fiber re-coating device2020 10,425,550Optical scanning device with duct for heat dissipation, and image forming device having the same2019 10,401,764Cam drive device and image forming apparatus incorporating same2019 10,371,941Light beam scanning device suppressing thermal deformation of a scanning lens and image forming device2019 10,261,450Image forming apparatus2019 10,094,849Rough road determination device2018 10,088,197Water heating apparatus and water heating system2018 10,062,235Coin recognition unit2018 9,844,942Recording apparatus2017 9,839,934'Optical fiber re-coating device'2017 9,720,364'Image forming apparatus'2017 9,658,561'Image forming device and method for correcting scanning position of luminous flux'2017 9,615,519'Plant cultivation material and plant cultivation method using the material'2017 9,519,245'Image forming apparatus'2016 9,423,726'Drive transmitter, driving device incorporating the drive transmitter, and image forming apparatus incorporating the driving device'2016 9,395,659'Image forming apparatus'2016 9,354,541'Image forming apparatus and exposure position adjusting method'2016 9,341,990'Transfer unit and image forming apparatus including same'2016 9,282,312'Single-eye stereoscopic imaging device, correction method thereof, and recording medium thereof'2016 9,020,023'Reception device and reception method'2015 8,885,771'Signal receiving apparatus, signal receiving method and signal receiving program'2014 8,761,279'Reception apparatus and method, demodulation apparatus and method, and program'2014 8,730,292'Scanning optical device that scans photoreceptor with laser light and image forming apparatus'2014 8,698,868'Image forming apparatus with partition wall between scanning optical device and photosensitive drum'2014 8,576,950'Reception apparatus, reception method, demodulation apparatus, demodulation method, and program'2013 8,576,902'Receiving device and method, demodulating device and method, and program'2013 8,424,506'Direct-injection type engine'2013 8,381,054'Reception apparatus, reception method, and program'2013 8,369,455'Receiving apparatus, receiving method, and program'2013 8,120,560'Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith'2012 8,078,127'Reception device, reception method and program'2011 7,916,158'Image display apparatus, image signal processing circuit used therein, and method of controlling color saturation of image signal'2011 7,907,134'Contrast adjusting circuitry and video display apparatus using same'2011 7,898,557'Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith'2011 7,876,301'Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith'2011 7,760,213'Contrast adjusting circuitry and video display apparatus using same'2010 7,719,551'Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith'2010 7,719,619'Image processing apparatus'2010 7,701,475'Contrast adjusting circuitry and video display apparatus using the same'2010 7,609,282'Image display method and apparatus'2009 7,436,415'Display system and display panel and signal processing apparatus for use with display system'2008 7,430,021'Video display apparatus having contour correction function'2008 7,369,183'Image display apparatus'2008 7,337,766'Gas-mixture-ignition-time estimation apparatus for internal combustion engine, and control apparatus for internal combustion engine'2008 7,333,081'Image display apparatus, display unit driver and image display method for the same'2008 7,265,795'Video signal processing circuit, video display apparatus, and video display method'2007 7,227,543'Contrast adjusting circuitry and video display apparatus using same'2007 7,227,559'Image displaying method, image displaying device, and contrast-adjusting circuit for use therewith'2007 7,151,535'Contrast adjusting circuitry and video display apparatus using same'2006 6,982,704'Contrast adjusting circuitry and video display apparatus using same'2006 6,879,112'Image display device and method of displaying images with static image detection'2005 6,340,993'Automatic clock phase adjusting device and picture display employing the same'2002 6,151,079'Image display apparatus having a circuit for magnifying and processing a picture image in accordance with the type of image signal'2000 5,953,075'Video signal processing apparatus with means for magnifying and processing a picture image correspondingly to video signals'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2012Patents assigned to HITACHI LTD (23)· patent assignee history

2005–2012Based in Yokohama, JP· patent location history

2008–2020Based in Tokyo, JP· patent location history

2011–2019Patents assigned to HASEGAWA RYO (20)· patent assignee history

2011–2015Patents assigned to SONY CORP (8)· patent assignee history

2014–2020Based in Hachioji, JP· patent location history

2016–2021Patents assigned to FUJIFILM CORP (8)· patent assignee history

2016–2019Patents assigned to RICOH CO LTD (7)· patent assignee history

2016–2021Based in Saitama, JP· patent location history

2016–2019Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	23	1999–2012
HASEGAWA RYOself	20	2011–2019
FUJIFILM CORP	8	2016–2021
SONY CORP	8	2011–2015
RICOH CO LTD	7	2016–2019

Locations

Location	Patents	Span
Yokohama, JP	19	2005–2012
Tokyo, JP	13	2008–2020
Saitama, JP	8	2016–2021
Hachioji, JP	7	2014–2020
Kanagawa, JP	7	2016–2019