Inventor

Tadashi Fujita

Inventor

Sakai, JP

Overview

1977–2021

Patent span

Human necessities

Primary field (CPC A)

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

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations23%

A61KPreparations for medical, dental or toiletry purposes15%

A61NElectrotherapy8%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%

C07DHeterocyclic compounds8%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%

C09DCoating compositions, e.g. paints, varnishes or lacquers8%

G01NInvestigating or analysing materials by determining their chemical or physical properties8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to SANTEN PHARMACEUTICAL CO LTD (4)· patent assignee history

1977–1981Based in Sakai, JP· patent location history

2021Patents assigned to HITACHI LTD (1)· patent assignee history

2021Patents assigned to NIPPON PAINT HOLDINGS CO LTD (1)· patent assignee history

2021Based in Osaka, JP· patent location history

2021Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SANTEN PHARMACEUTICAL CO LTD	4	1977–1981
HITACHI LTD	1	2021
NIPPON PAINT HOLDINGS CO LTD	1	2021

Locations