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Inventor

Kenichi Washizuka

Inventor
Osaka, JP

Overview

4→
Patents
1993–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds24%
Y02PClimate change mitigation technologies in the production or processing of goods24%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations18%
C07CAcyclic or carbocyclic compounds18%
C12NMicroorganisms or enzymes6%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%
C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms6%
PatentTitleYear
7,928,264'Aminoalcohol derivatives'20117,417,060'Aminoalcohol derivatives'20086,826,033'Aminoalcohol derivatives'20045,241,064'Enzymatic process for preparing optically active 3-substituted azetidinones'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to FUJISAWA PHARMACEUTICAL CO (2)· patent assignee history
1993Based in Higashiosaka, JP· patent location history
2004–2008Based in Osaka, JP· patent location history
2008–2011Patents assigned to ASTELLAS PHARMA INC (2)· patent assignee history
2011Based in Chuo-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTELLAS PHARMA INC22008–2011
FUJISAWA PHARMACEUTICAL CO21993–2004
Locations
LocationPatentsSpan
Osaka, JP22004–2008
Chuo-ku, JP12011
Higashiosaka, JP11993