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Inventor

Takeshi Doi

Inventor
Higashimurayama, JP

Overview

22→
Patents
1984–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 22 as inventor

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

C07Dprimary
C07DHeterocyclic compounds25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations24%
A61KPreparations for medical, dental or toiletry purposes22%
C07KPeptides7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
D21HPulp compositions4%
B22DCasting of metals2%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%
C07CAcyclic or carbocyclic compounds2%
C09JAdhesives2%
PatentTitleYear
9,045,423'Prophylactic and/or therapeutic agent for anemia comprising tetrahydroquinoline compound as active ingredient'20158,791,090'Prophylactic and/or therapeutic agent for anemia comprising tetrahydroquinoline compound as active ingredient'20148,604,030'Fused piperidine compound and pharmaceutical containing same'20138,575,153'Pyridine-3-carboxyamide derivative'20137,135,473'Cyclic diamine compound with condensed-ring groups'20067,008,508'Composition for increasing wet strength of paper including water-soluble blocked urethane prepolymers'20066,867,221'Cyclic amine compounds and pharmaceutical composition containing the same'20056,632,810'Cyclic diamine compound with condensed-ring groups'20036,605,620'Cyclic amine compounds and pharmaceutical composition containing the same'20036,552,188'Unsymmetrical cyclic diamine compound'20036,509,329'Cyclic diamine compound with 6-membered ring groups'20036,498,169'Cyclic amine compounds and pharmaceutical composition containing the same'20026,488,813'Blocked urethane prepolymers as paper wet strength agent'20026,472,386'Cyclic diamine compound with 5-membered ring groups'20026,467,527'Pressure die-casting process of magnesium alloys'20026,432,957'Piperazine derivative'20026,395,753'Cyclic amine compounds and pharmaceutical composition containing the same'20025,449,756'Recombinant protein receptor for IL-2'19955,354,664'DNA encoding a human thrombomodulin having a modified glycosaminoglycan (GAG) binding site'19945,273,962'Human urinary thrombomodulin with a modified glycosaminoglycan (GAG) binding site'19935,198,359'Recombinant protein receptor for IL-2'19934,433,017'Thermally reactive water-soluble blocked urethane prepolymer'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2006Patents assigned to DAI ICHI KOGYO SEIYAKU CO LTD (3)· patent assignee history
1993–2015Patents assigned to KOWA CO (16)· patent assignee history
1993–1995Based in Kodaira, JP· patent location history
1993–1994Based in Tsukuba, JP· patent location history
2002–2015Based in Higashimurayama, JP· patent location history
2002–2006Based in Oumihachiman, JP· patent location history
2003–2014Based in Tokyo, JP· patent location history
2013–2014Patents assigned to ASHIKAWA MASANORI (3)· patent assignee history
2013–2014Patents assigned to DOI TAKESHI (3)· patent assignee history
2013–2014Patents assigned to ISHIWATA HIROYUKI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOWA CO161993–2015
ASHIKAWA MASANORI32013–2014
DAI ICHI KOGYO SEIYAKU CO LTD31984–2006
DOI TAKESHIself32013–2014
ISHIWATA HIROYUKI32013–2014
Locations
LocationPatentsSpan
Higashimurayama, JP102002–2015
Tokyo, JP42003–2014
Oumihachiman, JP22002–2006
Kodaira, JP21993–1995
Tsukuba, JP21993–1994