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Inventor

Ken-Ichi Takaki

Inventor
Tokyo, JP

Overview

9→
Patents
1994–2020
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.

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds62%
C08LCompositions of macromolecular compounds15%
C07CAcyclic or carbocyclic compounds8%
C08JWorking-up8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
PatentTitleYear
10,647,817Method of producing polyarylene sulfide202010,647,818Polyarylene sulfide production method and polyarylene sulfide202010,501,582Method of producing polyarylene sulfide201910,072,123Polyarylene sulfide production method and polyarylene sulfide20189,896,548'Method of producing polyarylene sulfide'20189,422,400'Granular polyarylene sulfide and process for manufacturing the same'20168,680,230'Production process of poly(arylene sulfide) whose content of terminal halogen group has been reduced'20148,530,605'Poly(arylene sulfide) and production process thereof'20135,281,752'Process for producing carboxylic acids'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to SUMITOMO CHEMICAL CO (1)· patent assignee history
1994Based in Aki, JP· patent location history
2013–2020Patents assigned to KUREHA CORP (8)· patent assignee history
2013–2014Patents assigned to KONNO AKIHIRO (2)· patent assignee history
2013–2014Patents assigned to SAKABE HIROSHI (2)· patent assignee history
2013–2014Patents assigned to TAKAKI KEN-ICHI (2)· patent assignee history
2013–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUREHA CORP82013–2020
KONNO AKIHIRO22013–2014
SAKABE HIROSHI22013–2014
TAKAKI KEN-ICHIself22013–2014
SUMITOMO CHEMICAL CO11994
Locations
LocationPatentsSpan
Tokyo, JP82013–2020
Aki, JP11994