Inventor

Hataaki Yoshimoto

Inventor

Chiba, JP

Overview

11→

Patents

1976–1993

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%

C07CAcyclic or carbocyclic compounds27%

H01CResistors20%

C07DHeterocyclic compounds7%

C08JWorking-up7%

C09KMaterials for miscellaneous applications, not provided for elsewhere7%

PatentTitleYear

5,250,932'Liquid crystal display device'1993 5,183,585'Liquid crystal emulsion composition'1993 5,128,785'Liquid crystal display device substantially free from cross-talk having varistor layers coupled to signal lines and picture electrodes'1992 5,119,218'Liquid crystal display device having varistor elements'1992 5,070,326'Liquid crystal display device'1991 5,066,105'Liquid crystal display device having varistor layers substantially free from cross-talk'1991 4,294,976'Process for producing biphenyl compounds'1981 4,247,443'Aromatic polyimide resin composition'1981 4,048,197'2,3,3\',4\'-Biphenyltetracarboxylic acid dianhydride'1977 4,042,603'Intramolecular cyclization in a fatty acid ester solvent'1977 3,940,426'Process for producing biphenyltetracarboxylic dianhydrides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to UBE INDUSTRIES (11)· patent assignee history

1976–1981Based in Ichihara, JP· patent location history

1991–1993Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UBE INDUSTRIES	11	1976–1993

Locations

Location	Patents	Span
Chiba, JP	6	1991–1993
Ichihara, JP	5	1976–1981