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Inventor

Hendrik De Nijs

Inventor
Oss, NL

Overview

4→
Patents
1990–2003
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes100%
PatentTitleYear
6,544,546'Ring-shaped devices'20035,150,718'Method of contraception'19925,088,505'Contraceptive implant'19924,957,119'Contraceptive implant'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to AKZO NV (3)· patent assignee history
1990–2003Based in Oss, NL· patent location history
2003Patents assigned to AKZO NOBEL NV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AKZO NV31990–1992
AKZO NOBEL NV12003
Locations
LocationPatentsSpan
Oss, NL41990–2003