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Inventor

Toshifumi Asaka

Inventor
Tokyo, JP

Overview

21→
Patents
1980–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 21 as inventor

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

C07Hprimary
C07HSugars53%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
A61KPreparations for medical, dental or toiletry purposes17%
C07DHeterocyclic compounds6%
PatentTitleYear
8,124,744'Macrolide derivatives'20126,191,118'Erythromycin A derivatives'20016,169,168'Erythromycin A derivatives'20016,165,986'Erythromycin a derivatives'20006,140,479'Erythromycin a derivatives'20005,804,565'Erythromycin A derivatives'19985,631,354'5-O-desosaminylerythronolide derivatives'19975,631,355'5-O-desosaminylerythronolide a derivatives'19975,602,239'5-O-desosaminylerythronolide derivatives'19975,591,837'5-O-desosaminylerythronolide a derivative'19975,523,399'5-O-desosaminylerythronolide derivatives'19965,403,923'6-0-methylerythromycin A derivatives'19955,350,839'2\'-position modified compound of erythromycin or its derivative'19945,302,705'6-O-methylerythromycin A oxime derivatives'19944,990,602'Erythromycin A derivatives'19914,833,236'Erythromycin derivatives'19894,680,386'6-O-methylerythromycin a derivative'19874,672,109'Method for selective methylation of erythromycin A derivatives'19874,670,549'Method for selective methylation of erythromycin a derivatives'19874,357,470'Cephalosporin compounds'19824,190,581'Novel penicillin derivatives'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2012Patents assigned to TAISHO PHARMACEUTICAL CO LTD (20)· patent assignee history
1982–1994Based in Saitama, JP· patent location history
1987–1994Based in Ageo, JP· patent location history
1996–2001Based in Tokyo, JP· patent location history
1998–2001Based in Konosu, JP· patent location history
2012Patents assigned to ASAKA TOSHIFUMI (1)· patent assignee history
2012Patents assigned to KASHIMURA MASATO (1)· patent assignee history
2012Patents assigned to KAWAMURA MADOKA (1)· patent assignee history
2012Patents assigned to OGITA HARUHISA (1)· patent assignee history
2012Based in Toshima-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAISHO PHARMACEUTICAL CO LTD201980–2012
ASAKA TOSHIFUMIself12012
KASHIMURA MASATO12012
KAWAMURA MADOKA12012
OGITA HARUHISA12012
Locations
LocationPatentsSpan
Tokyo, JP71996–2001
Ageo, JP61987–1994
Konosu, JP31998–2001
Saitama, JP21982–1994
Toshima-ku, JP12012