Inventor
Ralph Kay
Inventor
Basingstoke, GB
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Hprimary
G03HHolographic processes or apparatus23%
B42DBooks15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B41MPrinting, duplicating, marking, or copying processes10%
Y10TTechnical subjects covered by former us classification8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%
G06KGraphical data reading5%
G09FDisplaying5%
C09JAdhesives3%
PatentTitleYear
7,054,042'Optically variable security device'20066,903,850'Security device'20056,712,399'Security device'20046,364,983'Manufacture of security tapes and security threads'20026,344,245'Security device manufacture'20025,851,615'Tamper indicating security item and joining method'19985,665,194'Image enhancement'19975,492,370'Decorative article'19965,319,475'Tamper resisting holographic security seal'19945,310,222'Optical device'19944,747,620'Security card and security card blank'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Patents assigned to DE LA RUE CO PLC (1)· patent assignee history
1988–1994Based in Berkshire, GB· patent location history
1994–1997Patents assigned to DE LA RUE HOLOGRAPHICS LTD (4)· patent assignee history
1994–1996Based in Maidenhead, GB· patent location history
1997–2006Based in Basingstoke, GB· patent location history
1998–2006Patents assigned to RUE DE INT LTD (6)· patent assignee history
2002–2004Based in Hampshire, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RUE DE INT LTD | 6 | 1998–2006 |
| DE LA RUE HOLOGRAPHICS LTD | 4 | 1994–1997 |
| DE LA RUE CO PLC | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Basingstoke, GB | 5 | 1997–2006 |
| Hampshire, GB | 2 | 2002–2004 |
| Maidenhead, GB | 2 | 1994–1996 |
| Berkshire, GB | 2 | 1988–1994 |