Inventor

Kazuhisa Toriyama

Inventor

Mobara, JP

Overview

9→

Patents

1976–1986

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere56%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

C07CAcyclic or carbocyclic compounds6%

C07DHeterocyclic compounds6%

G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

PatentTitleYear

4,588,518'Nematic liquid crystal composition for display devices'1986 4,469,618'Liquid crystal mixture'1984 4,464,283'Liquid crystal composition'1984 4,455,261'4-N-Alkylbenzoyloxy-3\'-fluoro-4\'-cyanobenzenes'1984 4,372,871'Nematic liquid crystals for display devices'1983 4,293,698'Compound for controlling dielectric constant of liquid crystal'1981 4,146,656'Method of manufacturing liquid crystal display device involving controlling the vapor deposition speed of the orientation layers'1979 3,966,631'Nematic liquid crystal composition'1976 3,956,169'Nematic liquid crystal composition'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to HITACHI LTD (9)· patent assignee history

1976Based in Hitachi, JP· patent location history

1979–1986Based in Mobara, JP· patent location history

1983–1984Patents assigned to DAINIPPON INK & CHEMICALS (2)· patent assignee history

1984Patents assigned to MERCK PATENT GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	9	1976–1986
DAINIPPON INK & CHEMICALS	2	1983–1984
MERCK PATENT GMBH	2	1984

Locations

Location	Patents	Span
Mobara, JP	7	1979–1986
Hitachi, JP	2	1976