Inventor

Noriko Iwata

Inventor

Nagoya, JP

Overview

1990–2021

Patent span

Chemistry

Primary field (CPC C)

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

G02Bprimary

G02BOptical elements, systems or apparatus32%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds24%

C08JWorking-up8%

A61FFilters implantable into blood vessels4%

A61LMethods or apparatus for sterilising materials or objects in general4%

B29DProducing particular articles from plastics or from substances in a plastic state4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

C08LCompositions of macromolecular compounds4%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to MENICON CO LTD (7)· patent assignee history

1990–1995Patents assigned to SHINETSU CHEMICAL CO (4)· patent assignee history

1990–1996Based in Nagoya, JP· patent location history

1998Based in Kasugai, JP· patent location history

2003–2004Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history

2003–2004Based in Yokohama, JP· patent location history

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

2021Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MENICON CO LTD	7	1990–1998
SHINETSU CHEMICAL CO	4	1990–1995
SUMITOMO ELECTRIC INDUSTRIES	2	2003–2004
DAIKIN IND LTD	1	2021

Locations