Inventor

Yukio Yamaura

Inventor

Iwatsuki, JP

Overview

6→

Patents

2001–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 6 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds24%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients16%

C08JWorking-up12%

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

B29CShaping or joining of plastics4%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%

C08CTreatment or chemical modification of rubbers4%

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

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

10,766,972Modified conjugated diene-based polymer and method for producing the same, and modified conjugated diene-based polymer composition2020 7,985,484'Hydrogenation product of block copolymer or sheet or film of the same'2011 7,893,156'Block copolymer and composition thereof'2011 6,939,906'Block copolymer composition'2005 6,844,383'Block copolymer and composition thereof'2005 6,235,847'Linear block copolymer and resin composition containing the same'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2020Patents assigned to ASAHI CHEMICAL IND (4)· patent assignee history

2001–2005Based in Iwatsuki, JP· patent location history

2011Patents assigned to ASAHI KASEI CHEMICALS CORP (2)· patent assignee history

2011–2020Based in Tokyo, JP· patent location history

2011Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI CHEMICAL IND	4	2001–2020
ASAHI KASEI CHEMICALS CORP	2	2011

Locations

Location	Patents	Span
Iwatsuki, JP	3	2001–2005
Tokyo, JP	2	2011–2020
Saitama, JP	1	2011