Inventor

Henri R. J. R. Van Helleputte

Inventor
Eindhoven, NL

Overview

18→
Patents
1997–2003
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein50%
G09FDisplaying22%
H01JElectric discharge tubes or discharge lamps14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
H05KPrinted circuits3%
Y10TTechnical subjects covered by former us classification3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to PHILIPS ELECTRONICS NA (17)· patent assignee history
1997–2003Patents assigned to TEKTRONIX INC (5)· patent assignee history
1997–2003Based in Eindhoven, NL· patent location history
2003Patents assigned to KONINKL PHILIPS ELECTRONICS NV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIPS ELECTRONICS NA171997–2003
TEKTRONIX INC51997–2003
KONINKL PHILIPS ELECTRONICS NV12003
Locations
LocationPatentsSpan
Eindhoven, NL181997–2003