Inventor

Akio Moriyama

Inventor

Katano, JP

Overview

9→

Patents

1976–2021

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 elsewhere43%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein36%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%

C07DHeterocyclic compounds7%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments7%

PatentTitleYear

10,995,084Pyrrolidine derivative2021 4,029,392'Liquid crystal display'1977 4,027,950'Electro-optical display device'1977 4,017,156'Electro-optical display device'1977 3,982,820'Liquid crystal display device'1976 3,981,816'Liquid crystal display device'1976 3,967,881'Liquid crystal display'1976 3,960,750'Electro-optical display'1976 3,960,751'Electro-optical display element'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history

1976–1977Based in Katano, JP· patent location history

2021Patents assigned to KISSEI PHARMACEUTICAL (1)· patent assignee history

2021Based in Azumino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	8	1976–1977
KISSEI PHARMACEUTICAL	1	2021

Locations

Location	Patents	Span
Katano, JP	8	1976–1977
Azumino, JP	1	2021