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Inventor

Satoshi Sumiya

Inventor
Kumagaya, JP

Overview

25→
Patents
1992–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 25 as inventor

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

B01Dprimary
B01DSeparation25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry23%
Y02TClimate change mitigation technologies related to transportation16%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general11%
Y02ATechnologies for adaptation to climate change7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
F02BInternal-combustion piston engines5%
A61BDiagnosis1%
C04BLime, magnesia1%
F01PCooling of machines or engines in general1%
PatentTitleYear
10,952,631Biomagnetism measurement device202110,773,251Oxidation catalyst for internal combustion engine exhaust gas treatment202010,753,248Exhaust gas purification catalyst202010,376,867Oxidation catalyst for internal combustion engine exhaust gas treatment201910,233,803Exhaust gas purification filter201910,137,412Filter20189,868,115'Oxidation catalyst for internal combustion engine exhaust gas treatment'20189,719,734'Heat exchanger mounting structure'20179,005,559'Oxidation catalyst for internal combustion engine exhaust gas treatment'20158,765,067'Exhaust gas oxidation catalyst'20148,652,429'Oxidation catalyst for internal combustion engine exhaust gas treatment'20146,698,235'Refrigerant cycle system having discharge function of gas refrigerant in receiver'20045,885,923'Exhaust gas cleaner'19995,824,621'Exhaust gas cleaner'19985,714,130'Exhaust gas cleaner and method for cleaning exhaust gas'19985,645,804'Method for cleaning exhaust gas containing nitrogen oxides'19975,384,110'Exhaust gas cleaner and method of cleaning exhaust gas'19955,340,548'Exhaust gas cleaner and method of cleaning exhaust gas'19945,320,999'Exhaust gas cleaner and method of cleaning exhaust gas'19945,290,530'Method of cleaning exhaust gas'19945,213,781'Method of cleaning nitrogen oxide containing exhaust gas'19935,208,202'Exhaust gas cleaner and method of cleaning exhaust gas catalyst for cleaning exhaust gas'19935,154,901'Method of cleaning an exhaust gas containing nitrogen oxides and fine carbon-containing particulates'19925,141,714'Exhaust gas cleaner'19925,108,977'Catalyst for cleaning exhaust gas'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1999Patents assigned to RIKEN KK (13)· patent assignee history
1992–1999Based in Kumagaya, JP· patent location history
2004–2017Patents assigned to DENSO CORP (2)· patent assignee history
2014–2020Patents assigned to JOHNSON MATTHEY PLC (9)· patent assignee history
2014–2015Patents assigned to JOHNSON MATTHEY JAPAN GODO KAISHA (2)· patent assignee history
2014–2020Based in Tochigi, JP· patent location history
2015–2018Patents assigned to JOHNSON MATTHEY JAPAN G K (2)· patent assignee history
2015–2020Based in Sakura, JP· patent location history
2017Based in Takahama, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RIKEN KK131992–1999
JOHNSON MATTHEY PLC92014–2020
DENSO CORP22004–2017
JOHNSON MATTHEY JAPAN G K22015–2018
JOHNSON MATTHEY JAPAN GODO KAISHA22014–2015
Locations
LocationPatentsSpan
Kumagaya, JP121992–1999
Sakura, JP62015–2020
Tochigi, JP22014–2020
Tokyo, JP12021
Takahama, JP12017