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Inventor

Akio Koyama

Inventor
Yokohama, JP

Overview

26→
Patents
1983–2015
Patent span
Performing operations
Primary field (CPC B)

Patents· 26 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
B01DSeparation16%
Y02TClimate change mitigation technologies related to transportation13%
C01GCompounds containing metals not covered by subclasses c01d or c01f9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
C01BNon-metallic elements5%
B82YSpecific uses or applications of nanostructures3%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals3%
C04BLime, magnesia3%
G03GElectrography2%
PatentTitleYear
8,999,878'Exhaust gas purifying catalyst'20158,574,524'Porous composite oxide and production method thereof'20138,382,905'Plant-fiber-material transformation method'20138,298,983'Production process of composite metal oxide'20128,288,310'Automobile exhaust gas purification catalyst and method of production of same'20128,206,671'Porous composite oxide and production method thereof'20128,093,931'Semiconductor integrated circuit device'20128,034,743'Method for production of an exhaust gas purification catalyst support and exhaust gas purification catalyst support'20117,968,490'Method for producing porous substances'20117,915,195'Exhaust gas purifying catalyst and production process thereof'20117,910,084'Compound oxide manufacturing method'20117,790,649'Production process of exhaust gas purifying catalyst'20107,776,783'Catalyst carrier and exhaust gas purification catalyst'20107,758,840'Method for producing compound'20107,678,733'Method for producing heat-resisting compound oxides'20107,608,559'Method for producing heat-resisting compound oxides'20097,604,789'Porous composite oxide and production method thereof'20097,154,133'Semiconductor device and method of manufacture'20067,034,568'Logic circuit'20066,878,200'Mortar or concrete composition'20056,310,343'Electron impact elastic recoil hydrogen atom analyzer'20016,299,680'CdTe crystal or CdZnTe crystal and method for preparing the same'20014,939,106'Sintered ceramic body'19904,615,964'Vapor-deposited film of selenium as photoreceptor for electrophotography and process for producing the same'19864,585,621'Vapor-deposited film of selenium or selenium alloy for electrophotography'19864,414,424'Gas-insulated bus bar'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2015Based in Yokohama, JP· patent location history
1986Patents assigned to NIPPON MINING CO (2)· patent assignee history
2006–2012Patents assigned to HITACHI LTD (2)· patent assignee history
2006Based in Ome, JP· patent location history
2009–2015Patents assigned to TOYOTA MOTOR CO LTD (16)· patent assignee history
2009–2013Based in Sunto-gun, JP· patent location history
2010Based in Mishima, JP· patent location history
2012–2015Patents assigned to KOYAMA AKIO (7)· patent assignee history
2012–2015Patents assigned to TAKESHIMA SHINICHI (6)· patent assignee history
2012Based in Kokubunji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA MOTOR CO LTD162009–2015
KOYAMA AKIOself72012–2015
TAKESHIMA SHINICHI62012–2015
HITACHI LTD22006–2012
NIPPON MINING CO21986
Locations
LocationPatentsSpan
Yokohama, JP121983–2015
Sunto-gun, JP42009–2013
Kokubunji, JP12012
Mishima, JP12010
Ome, JP12006