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Inventor

Hidekazu Toyoda

Inventor
Yokohama, JP

Overview

2→
Patents
1987–1991
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes67%
A61QSpecific use of cosmetics or similar toiletry preparations33%
PatentTitleYear
5,015,469'Water-in-oil emulsion type cosmetics'19914,657,901'Pharmaceutical composition'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to SHISEIDO CO LTD (1)· patent assignee history
1987Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (1)· patent assignee history
1987Based in Urawa, JP· patent location history
1991Patents assigned to SHIDEIDO COMPANY LTD (1)· patent assignee history
1991Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIDEIDO COMPANY LTD11991
SHISEIDO CO LTD11987
TAKEDA CHEMICAL INDUSTRIES LTD11987
Locations
LocationPatentsSpan
Yokohama, JP11991
Urawa, JP11987