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Aliso Viejo, CA, United States of America

Christopher G Engel

Average Co-Inventor Count = 4.76

ph-index = 1

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 = 6

Christopher G Engel ↔ Douglas E Roberts (5 patents)Christopher G Engel ↔ Ang-Ju Lee (5 patents)Christopher G Engel ↔ Sean Tang (4 patents)Christopher G Engel ↔ Cameron J Day (2 patents)Christopher G Engel ↔ Armando Herrera (2 patents)Christopher G Engel ↔ Steven M Mitzel (1 patent)Christopher G EngelChristopher G Engel (5 patents)Douglas E RobertsDouglas E Roberts (152 patents)Ang-Ju LeeAng-Ju Lee (6 patents)Sean TangSean Tang (8 patents)Cameron J DayCameron J Day (59 patents)Armando HerreraArmando Herrera (3 patents)Steven M MitzelSteven M Mitzel (18 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cobra Golf Corporation (5 from 273 patents)


5 patents:

1. D1040273 - Golf club head

2. D1023198 - Golf club

3. D1017742 - Golf club

4. D1003378 - Golf club

5. D943693 - Golf club

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idiyas.com
as of
1/5/2026
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