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Inventor

Takeshi Namekata

Inventor
Kashima, JP

Overview

6→
Patents
1995–2015
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.

C07Cprimary
C07CAcyclic or carbocyclic compounds67%
C07DHeterocyclic compounds33%
PatentTitleYear
8,940,931'Production method for refined 6-bromo-2-naphthalenecarboxylic acid product'20158,742,128'Process for producing pyridine compound, and pyridine compound'20147,772,436'Process for producing 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl'20106,900,330'Process for producing 2,3-pyridinedicarboxylic acid'20055,550,284'Production method for alkoxynaphthalenecarboxylic acid'19965,416,256'Process for manufacturing 5-hydroxyisophthalic acid'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to SUMIKIN CHEMICAL (2)· patent assignee history
1995–2015Based in Kashima, JP· patent location history
2010–2015Patents assigned to AIR WATER INC (3)· patent assignee history
2014–2015Patents assigned to ITO IKUO (2)· patent assignee history
2014–2015Patents assigned to NAMEKATA TAKESHI (2)· patent assignee history
2014Patents assigned to FUKUI KOICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR WATER INC32010–2015
ITO IKUO22014–2015
NAMEKATA TAKESHIself22014–2015
SUMIKIN CHEMICAL21995–1996
FUKUI KOICHI12014
Locations
LocationPatentsSpan
Kashima, JP61995–2015