Inventor

Daiji Nagaoka

Inventor

Fujisawa, JP

Overview

1989–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 80 as inventor

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

F01Nprimary

F01NGas-flow silencers or exhaust apparatus for machines or engines in general26%

Y02TClimate change mitigation technologies related to transportation22%

F02DControlling combustion engines20%

B01DSeparation16%

Y02ATechnologies for adaptation to climate change4%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%

F02BInternal-combustion piston engines3%

H04NPictorial communication, e.g. television2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%

Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]1%

PatentTitleYear

10,947,884Exhaust purification device and control method for same2021 10,837,336Exhaust gas purifying system2020 10,753,245Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engine2020 10,690,073Exhaust purification system and catalyst regeneration method2020 10,683,788NOx occlusion amount estimating device and NOx occlusion amount estimating method2020 10,677,128Exhaust purification system and catalyst regeneration method2020 10,675,587Exhaust purification system2020 10,677,136Internal combustion engine control device2020 10,669,909Exhaust purification system2020 10,570,798Exhaust purification system and catalyst regeneration method2020 10,480,436Exhaust purification system and catalyst regeneration method2019 10,480,437Exhaust purification system2019 10,465,581Internal combustion engine and method for removing particulate substance from internal combustion engine2019 10,436,092Exhaust purification system and control method therefor2019 10,415,448Exhaust gas cleaning system for internal combustion engine and exhaust gas cleaning method for internal combustion engine2019 10,392,984NOx reduction control method for exhaust gas aftertreatment device2019 10,392,981Exhaust purification system, and control method for exhaust purification system2019 10,392,986Exhaust purification system, and control method for exhaust purification system2019 10,392,985Exhaust purification system2019 10,385,747Exhaust gas purification system for internal combustion engine, internal combustion engine, and exhaust gas purification method for internal combustion engine2019 10,364,719Exhaust gas purification system, and NOx purification capacity restoration method2019 10,337,433Exhaust purification system2019 10,316,716Exhaust purification system and method for restoring NOx purification capacity2019 10,260,398Exhaust purification system and catalyst control method2019 10,247,074Exhaust purification system and control method of the same2019 10,240,499Exhaust purification system and control method of the same2019 10,233,807Exhaust purification system and catalyst regeneration method2019 10,221,745Exhaust purification system and catalyst control method2019 10,196,950Exhaust purification system and catalyst regeneration method2019 10,174,702Regeneration device for exhaust-gas purifying device2019 10,130,913Exhaust gas purification system, and NOx purification capacity restoration method2018 10,052,587Exhaust purification system2018 9,828,899Exhaust gas purification system and exhaust gas purification method2017 9,670,810'Exhaust gas purification system'2017 9,664,131'Exhaust injection control method for exhaust gas post-treatment device'2017 9,624,856'Exhaust gas purification system and exhaust gas purification method'2017 9,604,176'Exhaust gas purification system and exhaust gas purification method'2017 9,562,463'Control method for exhaust gas aftertreatment device'2017 9,447,743'Exhaust gas purification system and exhaust gas purification method'2016 9,422,848'Internal combustion engine and control method for same'2016 9,278,313'Exhaust gas purification system and exhaust gas purification method'2016 9,222,394'Diesel engine exhaust gas purification method and exhaust gas purification system'2015 9,051,859'Exhaust gas purification device and control method for exhaust gas purification device'2015 9,032,713'Exhaust-pipe injection system'2015 8,973,431'Apparatus for diagnosing causes of NOx conversion efficiency degradation'2015 8,973,430'Diesel particulate filter system'2015 8,973,348'Exhaust gas purification device'2015 8,713,916'NOx purification system and method for control of NOx purification system'2014 8,671,661'Exhaust gas purification method and exhaust gas purification system'2014 8,656,704'Fuel injection control device'2014 8,607,551'Exhaust gas purifier and system for exhaust gas purification'2013 8,561,396'Exhaust gas purification apparatus'2013 8,528,320'System for exhaust gas purification and method of controlling the same'2013 8,356,470'Method of controlling NOx purification system and NOx purification system'2013 8,341,943'Exhaust gas purification method and exhaust gas purification system'2013 8,322,130'Method for controlling exhaust gas purification system and exhaust gas purification system'2012 8,186,148'Exhaust gas purifying method and purifier'2012 8,109,080'Method of controlling NOx purification system and NOx purification system'2012 8,056,321'Exhaust gas purification method and exhaust gas purification system'2011 8,058,205'Nitrogen oxide purification system'2011 8,051,642'Method of controlling NOx purification system and NOx purification system'2011 8,037,676'Regeneration control method for exhaust gas purification system, and exhaust gas purification system'2011 7,963,103'Exhaust gas purification method and system'2011 7,963,109'Guide structure and exhaust gas purification device'2011 7,797,927'Method for control of exhaust gas purification system, and exhaust gas purification system'2010 7,716,918'Method of exhaust gas purification and exhaust gas purification system'2010 7,669,410'Sulfur purge control method for exhaust gas purifying system and exhaust gas purifying system'2010 7,451,593'Exhaust gas cleaning method and exhaust gas cleaning system'2008 7,448,203'Exhaust gas decontamination system and method of exhaust gas decontamination'2008 7,207,171'Exhaust gas purifying method and exhaust gas purifying system'2007 7,191,590'Exhaust gas purifying method and exhaust gas purifying system'2007 7,114,328'Control method of exhaust gas purifying system'2006 7,051,520'Sulfur purge control method and exhaust gas purifying system'2006 5,377,016'Multi-function image processing system'1994 5,191,443'Image processor'1993 5,096,180'Image recording apparatus with the ability to determine if enough expendable supplies are available to carry out a recording job'1992 5,014,331'Method of detecting an internal point within a closed area'1991 4,998,132'Image edit system'1991 4,947,444'Image processing method and apparatus'1990 4,856,074'Region recognizing device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1994Patents assigned to FUJI XEROX CO LTD (7)· patent assignee history

1989–1994Based in Kanagawa, JP· patent location history

2006–2021Patents assigned to ISUZU MOTORS LTD (71)· patent assignee history

2006–2019Based in Fujisawa, JP· patent location history

2011–2015Patents assigned to NAGAOKA DAIJI (18)· patent assignee history

2012–2015Patents assigned to NAKADA TERUO (11)· patent assignee history

2012–2015Patents assigned to YUZA HIROYUKI (9)· patent assignee history

2015–2021Based in Kamakura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISUZU MOTORS LTD	71	2006–2021
NAGAOKA DAIJIself	18	2011–2015
NAKADA TERUO	11	2012–2015
YUZA HIROYUKI	9	2012–2015
FUJI XEROX CO LTD	7	1989–1994

Locations

Location	Patents	Span
Fujisawa, JP	38	2006–2019
Kamakura, JP	35	2015–2021
Kanagawa, JP	7	1989–1994