Growing community of inventors

Garden Grove, CA, United States of America

Roger Mather Duvall

Average Co-Inventor Count = 2.44

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 = 54

Roger Mather DuvallRichard J Oliver (8 patents)Roger Mather DuvallJeffrey Mark Claar (6 patents)Roger Mather DuvallAra J Derderian (1 patent)Roger Mather DuvallJeff Claar (1 patent)Roger Mather DuvallNgoc-Nga Do (1 patent)Roger Mather DuvallRoger Mather Duvall (11 patents)Richard J OliverRichard J Oliver (26 patents)Jeffrey Mark ClaarJeffrey Mark Claar (13 patents)Ara J DerderianAra J Derderian (5 patents)Jeff ClaarJeff Claar (1 patent)Ngoc-Nga DoNgoc-Nga Do (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (6 from 58,132 patents)

2. Sony Pictures Entertainment, Inc. (6 from 253 patents)

3. Other (4 from 832,912 patents)

4. Rockwell Collins, Inc. (1 from 2,931 patents)


11 patents:

1. 8880243 - System, device, and method for presenting flight information of one or more aircraft on a display unit

2. 7167763 - Method and apparatus for providing a graphical user interface for a player/recorder system

3. 7092773 - Method and system for providing enhanced editing capabilities

4. 6640147 - Method and apparatus for late buffer processing

5. 6441830 - Storing digitized audio/video tracks

6. 6393517 - SCSI port filter driver for enhanced audio data

7. 6182200 - Dense edit re-recording to reduce file fragmentation

8. 6166731 - Editing digitized audio/video data across a network

9. 6111709 - Digital recorder with seamless punch-out

10. 6047360 - System and method of organizing and defragmenting audio events recorded

11. 6041407 - File system block sub-allocator

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1/7/2026
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