Inventor

Hiroyuki Sugumi

Inventor

Ibaraki, JP

Overview

14→

Patents

1989–2003

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Dprimary

C07DHeterocyclic compounds33%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations30%

C07CAcyclic or carbocyclic compounds12%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%

C07HSugars12%

A61KPreparations for medical, dental or toiletry purposes2%

PatentTitleYear

6,599,917'Quinuclidine compounds and drugs containing the same as the active ingredient'2003 5,952,335'Fused polycyclic heterocycle derivatives'1999 5,654,306'Piperidine derivative and pharmaceutical composition'1997 5,610,304'Pyrimidinyl or pyridinyl sulfonamide substituted compounds'1997 5,434,172'Sulfonamide derivatives'1995 5,424,318'Piperidine derivative and pharmaceutical composition'1995 5,332,751'Pyridine carboxamide compounds which have useful as pharmaceutical utility'1994 5,306,720'Piperidine derivative and pharmaceutical composition'1994 5,292,758'Sulfonamide derivatives'1994 5,250,549'Sulfonamide derivatives'1993 5,118,684'Piperdine derivative and pharmaceutical composition'1992 5,039,681'Piperidine derivative and pharmaceutical composition'1991 4,942,169'Piperidine derivative and pharmaceutical composition'1990 4,849,431'Piperidine derivative and pharmaceutical composition'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2003Patents assigned to EISAI CO LTD (14)· patent assignee history

1989–1997Based in Yatabemachi, JP· patent location history

1991–2003Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EISAI CO LTD	14	1989–2003

Locations

Location	Patents	Span
Ibaraki, JP	8	1991–2003
Yatabemachi, JP	6	1989–1997