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Inventor

Hiroyuki Kumagai

Inventor
Chigasaki, JP

Overview

5→
Patents
1992–2006
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 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 preparations27%
C07DHeterocyclic compounds27%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture20%
A61KPreparations for medical, dental or toiletry purposes13%
C12NMicroorganisms or enzymes7%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms7%
PatentTitleYear
7,060,821'Osteoclast differentiation inhibitors'20066,589,981'Tumor radiosensitization and/or chemopotentiation using isocoumarin derivatives'20036,030,951'Chrysomycin derivative compounds and use as antitumor agents'20006,020,363'Isocoumarin derivatives and use thereof in drugs'20005,096,924'Anticancer antibiotic MI43-37F11 substance'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to AZIDAN HOJIN BISEIBUTSU KAGAKU (1)· patent assignee history
1992Based in Numazu, JP· patent location history
2000–2003Patents assigned to MERCIAN CORP (3)· patent assignee history
2000–2006Patents assigned to ZAIDAN HOJIN BISEIBUTSU (2)· patent assignee history
2000–2003Based in Chigasaki, JP· patent location history
2003Patents assigned to ILEX ONCOLOGY INC (1)· patent assignee history
2006Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERCIAN CORP32000–2003
ZAIDAN HOJIN BISEIBUTSU22000–2006
AZIDAN HOJIN BISEIBUTSU KAGAKU11992
ILEX ONCOLOGY INC12003
Locations
LocationPatentsSpan
Chigasaki, JP32000–2003
Kanagawa, JP12006
Numazu, JP11992