Inventor

Sigeo Kawamura

Inventor

Yokohama, JP

Overview

2→

Patents

1997–1998

Patent span

General tagging of new technological developments

Primary field (CPC Y)

Patents· 2 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 elsewhere25%

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

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

5,756,649'Liquid crystal aligning agent and liquid crystal display device'1998 5,612,450'Liquid crystal aligning agent and liquid crystal display device'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–1998Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (2)· patent assignee history

1997–1998Patents assigned to SHARP KK (2)· patent assignee history

1997–1998Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JAPAN SYNTHETIC RUBBER CO LTD	2	1997–1998
SHARP KK	2	1997–1998

Locations

Location	Patents	Span
Yokohama, JP	2	1997–1998