Inventor

Masaharu Takayama

Inventor

Ibaraki, JP

Overview

1976–2004

Patent span

Chemistry

Primary field (CPC C)

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

C07Dprimary

C07DHeterocyclic compounds30%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms30%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%

C07CAcyclic or carbocyclic compounds10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history

1976Based in Toyonaka, JP· patent location history

1977Patents assigned to NIPPON SHOJI KAISHA LIMITED (1)· patent assignee history

1977Based in Minoo, JP· patent location history

1977Based in Osaka, JP· patent location history

1986Patents assigned to NIPPON SHOJI KAISHA LTD (1)· patent assignee history

1986–2004Based in Ibaraki, JP· patent location history

2004Patents assigned to AZWELL INC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations