LexDanaLexDanabeta
Inventor

Hiromichi Okabe

Inventor
Hirakata, JP

Overview

5→
Patents
1976–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds50%
B01DSeparation13%
C01BNon-metallic elements13%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
8,419,831'Method for efficiently recovering carbon dioxide in gas'20134,191,708'Process for preparing and purifying p-phenylenediamine'19804,111,979'Process for producing 8-amino-1-naphthol-3,6-disulfonic acid'19784,059,637'Method for extraction of dihydroperoxide'19773,985,819'Process for producing alkylnaphthalenes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to SUMITOMO CHEMICAL CO (4)· patent assignee history
1976–1977Based in Ibaraki, JP· patent location history
1978–1980Based in Hirakata, JP· patent location history
2013Patents assigned to CHOWDHURY FIROZ ALAM (1)· patent assignee history
2013Patents assigned to GOTO KAZUYA (1)· patent assignee history
2013Patents assigned to OKABE HIROMICHI (1)· patent assignee history
2013Patents assigned to RES INST INNOVATIVE TECH EARTH (1)· patent assignee history
2013Based in Kizugawa-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO CHEMICAL CO41976–1980
CHOWDHURY FIROZ ALAM12013
GOTO KAZUYA12013
OKABE HIROMICHIself12013
RES INST INNOVATIVE TECH EARTH12013
Locations
LocationPatentsSpan
Hirakata, JP21978–1980
Ibaraki, JP21976–1977
Kizugawa-shi, JP12013