Inventor

Kyoji Ohdan

Inventor

Ube, JP

Overview

22→

Patents

1977–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 22 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds38%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry34%

Y02PClimate change mitigation technologies in the production or processing of goods13%

C04BLime, magnesia4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

C23CCoating metallic material2%

G11BInformation storage based on relative movement between record carrier and transducer2%

H01FMagnets2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

5,885,917'Porous lithium aluminate carrier of spinel structure for catalyst'1999 5,688,984'Porous lithium aluminate carrier of spinel structure for catalyst'1997 5,164,349'Electromagnetic effect material'1992 4,778,734'Barium ferrite magnetic powder and magnetic recording medium containing the same'1988 4,444,907'Methacrylic acid production catalyst'1984 4,364,844'Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid'1982 4,290,922'Ammoxidation catalyst for the production of acrylonitrile from propylene and process for producing the same'1981 4,278,614'Process for the catalytical preparation of acrylonitrile'1981 4,267,385'Process for the catalytic preparation of acrolein and methacrolein'1981 4,264,476'Catalyst for producing acrylonitrile in a fluidized bed reactor'1981 4,256,914'Catalytic oxidation of methacrolein'1981 4,217,309'Process for producing methacrolein'1980 4,205,010'Method for the catalytical production of acrylonitrile'1980 4,177,161'Catalytic oxidative process for producing maleic anhydride'1979 4,171,328'Catalytic oxidation of isobutylene'1979 4,154,703'Process for the preparation of maleic anhydride catalyst'1979 4,110,350'Catalytic oxidative process for producing maleic anhydride'1978 4,097,518'Method for the catalytic production of acrylonitrile'1978 4,070,390'Method for the catalytical preparation of acrylonitrile'1978 4,045,478'Method for the preparation of methacrylic acid'1977 4,009,194'Catalytic ammoxidation of olefins to nitriles'1977 4,006,167'Vapor phase oxidation of unsaturated aliphatic hydrocarbon to maleic anhydride using a catalyst consisting essentially of the oxides of vanadium, phosphorous, zirconium, and manganese'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1999Patents assigned to UBE INDUSTRIES (21)· patent assignee history

1977–1988Based in Ube, JP· patent location history

1978Patents assigned to UGINE KUHLMANN (1)· patent assignee history

1992–1999Based in Yamaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UBE INDUSTRIES	21	1977–1999
UGINE KUHLMANN	1	1978

Locations

Location	Patents	Span
Ube, JP	19	1977–1988
Yamaguchi, JP	3	1992–1999