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Sutton, United Kingdom

John R Kinghorn

USPTO Granted Patents = 17 (Patent Applications = 2)

Average Co-Inventor Count = 1.3

ph-index = 10

Forward Citations = 868(Granted Patents)

Location History:

Sutton, GB (1981 - 1987)
Ashtead, GB (1988 - 1991)
Brockenhurst, GB (1993 - 2001)

Company Filing History:

17 out of 14,087

U.S. Philips Corporation

Years Active: 1981-2001

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6192187 - Video recorder (2001-02-20),

2. 6020882 - Television access control system (2000-02-01),

3. 5386238 - Combination TV receiver and teletext processor with on-screen message (1995-01-31),

4. 5184220 - Teletext decoder apparatus including feature of inhibiting generation of (1993-02-02),

5. 4999706 - Teletext decoders with inhibit means for precluding over-writing codes (1991-03-12),

6. 4933764 - Improved teletext decoder which accommodates an increased number of (1990-06-12),

7. 4908707 - Video cassette recorder programming via teletext transmissions (1990-03-13),

8. 4719510 - Teletext decoders (1988-01-12),

9. 4698677 - Television receiver arrangements (1987-10-06),

10. 4584567 - Digital code detector circuits (1986-04-22),

11. 4574386 - Dynamically operable two-phase logic circuits (1986-03-04),

12. 4570154 - Data entry keyboard apparatus (1986-02-11),

13. 4485437 - Testing the presence of a peripheral device (1984-11-27),

14. 4481579 - Digital data apparatus having a plurality of selectively addressable (1984-11-06),

15. 4431969 - Clock pulse phase shifter (1984-02-14),

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