Inventor

Takeshi Nagasu

Inventor

Ibaraki, JP

Overview

18→

Patents

1981–2008

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

C07Dprimary

C07DHeterocyclic compounds23%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations21%

C07CAcyclic or carbocyclic compounds15%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%

C07HSugars9%

A61KPreparations for medical, dental or toiletry purposes6%

C07KPeptides5%

C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms3%

A01KAnimal husbandry2%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%

PatentTitleYear

7,445,892'Method of testing anticancer agent-sensitivity of tumor cells'2008 7,148,011'Method of testing for allergic diseases'2006 7,015,241'Appetite-stimulating agents and remedies for anorexia'2006 6,986,990'Pollen allergy-related gene 513'2006 5,952,335'Fused polycyclic heterocycle derivatives'1999 5,854,274'Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives'1998 5,846,969'Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives'1998 5,840,918'Isoprenyl transferase inhibitors'1998 5,834,462'Tricyclic heterocyclic sulfonamide and sulfonic ester derivatives'1998 5,767,283'7-Amino-1H-indoles'1998 5,721,246'Heterobicyclic sulfonamide and sulfonic ester derivatives'1998 5,610,304'Pyrimidinyl or pyridinyl sulfonamide substituted compounds'1997 5,610,320'Sulfonamide phenyl substituted compounds'1997 5,434,172'Sulfonamide derivatives'1995 5,332,751'Pyridine carboxamide compounds which have useful as pharmaceutical utility'1994 5,292,758'Sulfonamide derivatives'1994 5,250,549'Sulfonamide derivatives'1993 4,285,941'Cephalosporin compounds and antibacterial drugs containing the same'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2008Patents assigned to EISAI CO LTD (16)· patent assignee history

1981Based in Tokyo, JP· patent location history

1993–2006Based in Ibaraki, JP· patent location history

1998Based in Suwa, JP· patent location history

2006Patents assigned to GENOX RESEARCH INC (2)· patent assignee history

2006–2008Based in Tsuchiura, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EISAI CO LTD	16	1981–2008
GENOX RESEARCH INC	2	2006

Locations

Location	Patents	Span
Ibaraki, JP	14	1993–2006
Tsuchiura, JP	2	2006–2008
Suwa, JP	1	1998
Tokyo, JP	1	1981