Growing community of inventors

Santa Monica, CA, United States of America

David Irwin Lappen

Average Co-Inventor Count = 2.40

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 84

David Irwin LappenWilliam Ascher Lappen (5 patents)David Irwin LappenReuben B Klamer (1 patent)David Irwin LappenDaniel Jay Giesberg (1 patent)David Irwin LappenBeatriz E Pardo (1 patent)David Irwin LappenDavid Irwin Lappen (5 patents)William Ascher LappenWilliam Ascher Lappen (5 patents)Reuben B KlamerReuben B Klamer (19 patents)Daniel Jay GiesbergDaniel Jay Giesberg (3 patents)Beatriz E PardoBeatriz E Pardo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Buy-Phone, Inc. (3 from 3 patents)

2. Other (2 from 832,966 patents)


5 patents:

1. 6462868 - Display device for both hardcopy and digital images

2. 5930351 - Remote telephone ringer controller

3. 5812785 - Method and apparatus for monitoring video signals in a computer

4. 5687096 - Method and apparatus for monitoring video signals in a computer

5. 4956775 - Object sensor for detecting characteristics such as color for games

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/17/2026
Loading…