Inventor

Hisashi Takahashi

Inventor
Tokyo, JP

Overview

25→
Patents
1997–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 25 as inventor

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

C07Dprimary
C07DHeterocyclic compounds38%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations30%
A61KPreparations for medical, dental or toiletry purposes15%
Y02PClimate change mitigation technologies in the production or processing of goods11%
Y02ATechnologies for adaptation to climate change6%
PatentTitleYear
8,618,094'Fused substituted aminopyrrolidine derivative'20138,476,429'Tri-, tetra-substituted-3-aminopyrrolidine derivative'20138,455,482'Substituted pyrrolidine derivative'20138,211,910'Tri-, tetra-substituted-3-aminopyrrolidine derivative'20127,977,327'Substituted pyrrolidine derivative'20117,902,226'Dehalogeno-compounds'20117,842,818'Process for preparation of tetrasubstituted 5-azaspiro[2.4]- heptane derivatives and optically active intermediates thereof'20107,723,524'8-cyanoquinolonecarboxylic acid derivative'20107,563,805'Tri-, tetra-substituted-3-aminopyrrolidine derivative'20097,186,843'Aminomethylpyrrolidine derivatives having aromatic substituents'20077,176,313'Anti acid-fast bacterial agent containing pyridonecarboxylic acids as active ingredient'20076,949,662'Cis-substituted aminocyclopropane derivative'20056,900,225'Quinolonecarboxylic acid derivative'20056,762,181'Aminomethylpyrrolidine derivatives having aromatic substituents'20046,656,952'Cis-substituted fluoromethylpyrrolidine derivative'20036,586,604'Tricyclic amine derivatives'20036,573,260'Cycloalkyl-substituted aminomethylpyrrolidine derivatives'20036,462,040'Cis-substituted aminocyclopropane derivative'20026,448,266'Substituted cyclobutylamine derivatives'20026,391,889'Cis-substituted aminocyclopropane derivatives'20026,384,050'Tricyclic amine derivatives'20026,191,129'Bicyclic amine derivative'20016,184,388'Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivatives'20016,121,285'Substituted aminocycloalkylpyrrolidine derivatives and cis-substituted aminocycloalkylpyrrolidine derivatives'20005,696,132'Pyridonecarboxylic acid derivatives'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2012Patents assigned to DAIICHI SEIYAKU CO (19)· patent assignee history
1997–2013Based in Tokyo, JP· patent location history
2007–2013Based in Edogawa-ku, JP· patent location history
2010–2013Patents assigned to DAIICHI SANKYO CO LTD (5)· patent assignee history
2012–2013Patents assigned to MIYAUCHI RIE (4)· patent assignee history
2012–2013Patents assigned to TAKAHASHI HISASHI (4)· patent assignee history
2012–2013Patents assigned to TAKEMURA MAKOTO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIICHI SEIYAKU CO191997–2012
DAIICHI SANKYO CO LTD52010–2013
MIYAUCHI RIE42012–2013
TAKAHASHI HISASHIself42012–2013
TAKEMURA MAKOTO42012–2013
Locations
LocationPatentsSpan
Tokyo, JP171997–2013
Edogawa-ku, JP82007–2013