Inventor

Masayuki Yuasa

Inventor

Yokohama, JP

Overview

13→

Patents

1991–2004

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.

C07Dprimary

C07DHeterocyclic compounds32%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations26%

C07CAcyclic or carbocyclic compounds26%

A61KPreparations for medical, dental or toiletry purposes10%

A01NPreservation of bodies of humans or animals or plants or parts thereof3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

PatentTitleYear

6,797,711'Benzofuran derivatives and pharmaceutical compositions containing the same'2004 6,586,633'Amine derivatives'2003 6,329,382'Pyrrolo[3,2-e]pyrazolo[1,5-a]pyrimidine remedies/preventives for respiratory diseases'2001 6,329,399'Antifungal amine derivatives and processing for producing the same'2001 6,136,863'Antifungal agents'2000 6,057,330'Pyrrolopyrazolopyrimidine compound and medicine comprising the same as active ingredient'2000 6,015,925'Antifungal agents'2000 5,942,515'Pyrrolopyrazolopyrimidine compound and medicine comprising the same as active ingredient'1999 5,245,034'Compound having vessel smooth muscle relaxation activity'1993 5,245,050'Derivatives of physiologically active substance ML-236B and process for production thereof'1993 5,216,150'Derivatives of isoquinoline (and naphthalene) sulfonamides'1993 5,081,246'Compound having vessel smooth muscle relaxation activity'1992 5,059,692'Novel compounds exhibiting a vasodilating activity and inhibitory activity for platelet aggregation'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to HIDAKA HIROYOSHI (3)· patent assignee history

1991Patents assigned to INABA TAKASHI (1)· patent assignee history

1991–1993Based in Akishima, JP· patent location history

1992–1993Patents assigned to TOBISHI PHARMACEUTICAL CO (3)· patent assignee history

1993Patents assigned to HIDAKA KIROYOSHI (1)· patent assignee history

1993Based in Tokyo, JP· patent location history

1999–2004Patents assigned to POLA CHEM IND INC (8)· patent assignee history

1999–2003Based in Yokohama, JP· patent location history

2001–2004Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
POLA CHEM IND INC	8	1999–2004
HIDAKA HIROYOSHI	3	1991–1993
TOBISHI PHARMACEUTICAL CO	3	1992–1993
HIDAKA KIROYOSHI	1	1993
INABA TAKASHI	1	1991

Locations

Location	Patents	Span
Yokohama, JP	6	1999–2003
Akishima, JP	4	1991–1993
Kanagawa, JP	2	2001–2004
Tokyo, JP	1	1993