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Inventor

Kengo Otsuka

Inventor
Mobara, JP

Overview

12→
Patents
1987–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

C07Dprimary
C07DHeterocyclic compounds50%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations14%
C07CAcyclic or carbocyclic compounds9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
C07BGeneral methods of organic chemistry5%
C07HSugars5%
PatentTitleYear
8,354,529'Polyamine derivative and polyol derivative'20138,076,478'Polyamine derivative and polyol derivative'20117,026,515'Optically active amine derivatives and preparation process therefor'20065,532,349'Process for producing 1-(2\'-deoxy-.beta.-D-erythro-pentofuranosyl)-5-trifluoromethyluracil derivatives'19965,463,061'Process for production of glycide derivative'19955,434,155'Quinoline derivative fumarates'19955,405,843'Quinoline derivatives'19955,232,923'Catechol derivatives and pharmaceutical preparations containing same'19935,204,348'Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components'19935,112,817'Quinoline derivatives'19924,782,154'Isoquinoline derivatives'19884,639,521'Isoquinoline derivatives'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to MITSUI TOATSU CHEMICALS (9)· patent assignee history
1987–1988Based in Kanagawa, JP· patent location history
1992–1995Based in Kamakura, JP· patent location history
1995–2006Based in Mobara, JP· patent location history
2011–2013Patents assigned to BASF SE (2)· patent assignee history
2011–2013Patents assigned to CHIDA MITSUAKI (2)· patent assignee history
2011–2013Patents assigned to ICHIHASHI TETSUYA (2)· patent assignee history
2011–2013Patents assigned to KAWAGUCHI MASARU (2)· patent assignee history
2011–2013Based in Sodegaura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI TOATSU CHEMICALS91987–1996
BASF SE22011–2013
CHIDA MITSUAKI22011–2013
ICHIHASHI TETSUYA22011–2013
KAWAGUCHI MASARU22011–2013
Locations
LocationPatentsSpan
Mobara, JP41995–2006
Kamakura, JP41992–1995
Sodegaura, JP22011–2013
Kanagawa, JP21987–1988