Inventor

Takehiko Ohkawa

Inventor

Osaka, JP

Overview

13→

Patents

1990–2010

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

A61Pprimary

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations35%

C07DHeterocyclic compounds32%

A61KPreparations for medical, dental or toiletry purposes11%

C07CAcyclic or carbocyclic compounds11%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C07KPeptides5%

PatentTitleYear

7,776,897'Triazole derivative or salt thereof'2010 7,186,731'2-cyanopyrrolidinecarboxamide compound'2007 7,129,243'Peptide compounds'2006 6,825,200'Substituted dipeptides having nos inhibiting activity'2004 6,495,542'Benzamide derivatives as vasopressin antagonists'2002 6,316,482'Benzamide derivatives having a vasopressin antagonistic activity'2001 6,211,242'Benzamide derivatives as vasopressin antagonists'2001 6,207,693'Benzamide derivatives having a vasopressin antagonistic activity'2001 6,054,457'Benzamide derivatives and their use as vasopressin antagonists'2000 5,789,405'Oxaspiro(2,5)octane derivative'1998 5,767,293'Oxaspiro›2,5! octane derivative'1998 5,521,170'Benzamide derivatives and pharmaceutical composition comprising the same'1996 4,954,496'Cyclohexane derivatives and pharmaceutical compositions'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2004Patents assigned to FUJISAWA PHARMACEUTICAL CO (10)· patent assignee history

1990–1998Based in Tsukuba, JP· patent location history

1996–2002Based in Ishige-machi, JP· patent location history

2001Based in Yuki, JP· patent location history

2004–2007Based in Osaka, JP· patent location history

2006–2010Patents assigned to ASTELLAS PHARMA INC (3)· patent assignee history

2010Based in Chuo-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJISAWA PHARMACEUTICAL CO	10	1990–2004
ASTELLAS PHARMA INC	3	2006–2010

Locations

Location	Patents	Span
Osaka, JP	3	2004–2007
Ishige-machi, JP	3	1996–2002
Tsukuba, JP	3	1990–1998
Yuki, JP	2	2001
Chuo-ku, JP	1	2010