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Inventor

Katsumi Horikoshi

Inventor
Fukushima, JP

Overview

2→
Patents
1990–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 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 bonds50%
C07DHeterocyclic compounds25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
8,211,997'Process for producing polyarylene sulfide'20124,976,825'Process for recovering N-methylpyrrolidone by plural distillations'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to KUREHA CHEMICAL IND CO LTD (1)· patent assignee history
1990Based in Iwaki, JP· patent location history
2012Patents assigned to HORIKOSHI KATSUMI (1)· patent assignee history
2012Patents assigned to KOBAYASHI MASANORI (1)· patent assignee history
2012Patents assigned to KUREHA CORP (1)· patent assignee history
2012Patents assigned to MATSUZAKI MITSUHIRO (1)· patent assignee history
2012Based in Fukushima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HORIKOSHI KATSUMIself12012
KOBAYASHI MASANORI12012
KUREHA CHEMICAL IND CO LTD11990
KUREHA CORP12012
MATSUZAKI MITSUHIRO12012
Locations
LocationPatentsSpan
Fukushima, JP12012
Iwaki, JP11990