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Inventor

Hitoshi Ishizuka

Inventor
Wakayama, JP

Overview

8→
Patents
1993–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C11Dprimary
C11DDetergent compositions25%
C07CAcyclic or carbocyclic compounds19%
C07DHeterocyclic compounds19%
D06LDry-cleaning, washing or bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods13%
A01NPreservation of bodies of humans or animals or plants or parts thereof6%
A61KPreparations for medical, dental or toiletry purposes6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
9,339,487'Dry powder pharmaceutical composition for inhalation'20168,691,741'Liquid detergent composition'20148,568,490'Liquid detergent composition'20137,863,234'Liquid detergent composition'20117,678,753'Liquid detergent composition'20106,166,215'Process for producing guanidine derivatives, intermediates therefor and their production'20006,008,363'Process for producing guanidine derivatives, intermediates therefor and their production'19995,256,679'Substituted guanidine derivatives, their preparation and use'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2000Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (3)· patent assignee history
1993–2000Based in Ibaraki, JP· patent location history
2010–2014Patents assigned to KAO CORP (4)· patent assignee history
2010–2014Based in Wakayama, JP· patent location history
2013–2016Patents assigned to ISHIZUKA HITOSHI (3)· patent assignee history
2013–2014Patents assigned to MIYAKE TOSHIO (2)· patent assignee history
2016Patents assigned to DAIICHI SANKYO CO LTD (1)· patent assignee history
2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAO CORP42010–2014
ISHIZUKA HITOSHIself32013–2016
TAKEDA CHEMICAL INDUSTRIES LTD31993–2000
MIYAKE TOSHIO22013–2014
DAIICHI SANKYO CO LTD12016
Locations
LocationPatentsSpan
Wakayama, JP42010–2014
Ibaraki, JP31993–2000
Tokyo, JP12016