Growing community of inventors

Rancho Mirage, CA, United States of America

Douglas J Roger

Average Co-Inventor Count = 2.75

ph-index = 10

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 = 195

Douglas J RogerJonathan P Crandall (6 patents)Douglas J RogerChad Ryshkus (5 patents)Douglas J RogerPhilippe Fehlbaum (3 patents)Douglas J RogerChad E Ryshkus (3 patents)Douglas J RogerYann Rossé (1 patent)Douglas J RogerDouglas J Roger (11 patents)Jonathan P CrandallJonathan P Crandall (8 patents)Chad RyshkusChad Ryshkus (5 patents)Philippe FehlbaumPhilippe Fehlbaum (10 patents)Chad E RyshkusChad E Ryshkus (3 patents)Yann RosséYann Rossé (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Greatbatch Ltd. (7 from 569 patents)

2. Greatbatch Medical S.a. (3 from 64 patents)

3. Greabatch Ltd. (1 from 1 patent)


11 patents:

1. 9622734 - Retractor tools for minimally invasive hip surgery

2. 8834471 - Angled reamer spindle for minimally invasive hip replacement surgery

3. D706924 - Superior acetabular retractor

4. 8480674 - Angled reamer spindle for minimally invasive hip replacement surgery

5. 8475460 - Angled reamer spindle for minimally invasive hip replacement surgery

6. D658288 - Anterior retractor

7. D658286 - Double ended retractor

8. D658285 - Femoral neck elevator

9. D658287 - Inferior acetabular/piriformis retractor

10. D658290 - Posterior retractor

11. D658289 - Secondary anterior retractor

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idiyas.com
as of
1/21/2026
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