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Inventor

Susumu Nakajima

Inventor
Asahikawa, JP

Overview

7→
Patents
1986–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

C07Dprimary
C07DHeterocyclic compounds44%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations31%
A61KPreparations for medical, dental or toiletry purposes19%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
PatentTitleYear
6,746,663'Porphyrin compounds'20046,548,045'Nitroimidazole substituted porphyrin complex'20036,063,777'Iminochlorinaspartic acid derivatives'20004,996,312'Porphyrin derivatives, and their production and use'19914,849,207'Porphyrin derivatives'19894,709,022'Pheophorbide derivatives and alkaline salts thereof'19874,604,241'9-desoxo-9-hydroxy-pheophorbide derivatives and alkaline salts thereof'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to INOHARA KAZUMI (2)· patent assignee history
1986–1987Patents assigned to NAKAJIMA SUSUMU (2)· patent assignee history
1986–1987Patents assigned to SAKATA ISAO (2)· patent assignee history
1986–2000Based in Hokkaido, JP· patent location history
1987–2004Based in Asahikawa, JP· patent location history
1989–1991Patents assigned to NIHON MEDIPHYSICS CO LTD (2)· patent assignee history
1991Based in Ashahikawa, JP· patent location history
2000–2004Patents assigned to PHOTOCHEMICAL CO LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHOTOCHEMICAL CO LTD32000–2004
INOHARA KAZUMI21986–1987
NAKAJIMA SUSUMUself21986–1987
NIHON MEDIPHYSICS CO LTD21989–1991
SAKATA ISAO21986–1987
Locations
LocationPatentsSpan
Asahikawa, JP31987–2004
Hokkaido, JP31986–2000
Ashahikawa, JP11991