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For the Inventor, By the Inventor

Carlsbad, CA, United States of America

Callaway Golf Company


USPTO Granted Patents = 2,054


Trademarks = 337

Forward Citations = 95,475

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367 inventors (with patents filed for the assignee):

goldMedal Augustin W Rollinson (333 out of 358 patents)

silverMedal Larry G Tang (199 out of 202 patents)

bronzeMedal Alan Hocknell (183 out of 190 patents)

4.  Richard C Helmstetter (183 out of 186 patents)

5.  D Clayton Evans (173 out of 198 patents)

6.  Matthew T Cackett (162 out of 165 patents)

7.  J Andrew Galloway (123 out of 124 patents)

8.  Matthew Myers (120 out of 135 patents)

9.  James A Seluga (112 out of 123 patents)

10.  Philip G Foster (108 out of 109 patents)

11.  Thomas J Kennedy, Iii (106 out of 223 patents)

12.  Roger C Cleveland (106 out of 115 patents)

13.  Luke R Williams (94 out of 181 patents)

14.  David M Bartels (94 out of 102 patents)

15.  Patrick Dawson (90 out of 183 patents)


Core Competencies:
Golf Ball Technology
Putter Head Design
Golf Club Manufacturing
Nanofiller Incorporation
Impact Modifier Applications
Stress-Reducing Features
Adjustable Sole Weights
Electrical Components in Golf Clubs
Binder Jet Printing
Durability Enhancements
Multiple-Material Golf Clubs
Golf Bag Innovations

2,054 patents:

1. D1088502 - Backpack (2025-08-19),
2. 12330040 - Putter-type golf club with electrical components (2025-06-17),
3. D1050317 - Putter head (2024-11-05),
4. D1001218 - Golf ball (2023-10-10),
5. 11484757 - Support structures for golf club heads and methods of manufacturing improved support structures (2022-11-01),
6. 11465016 - Process for incorporating nanofiller masterbatch into a core of a golf ball (2022-10-11),
7. 11439873 - Functionalized aluminosilicate microspheres for golf ball applications (2022-09-13),
8. 11433282 - Method of manufacturing golf club head having stress-reducing features (2022-09-06),
9. 11433281 - Method of manufacturing golf club head having stress-reducing features (2022-09-06),
10. 11433277 - Use of an impact modifier in a low compression golf ball (2022-09-06),
11. D961028 - Putter head (2022-08-16),
12. D960271 - Putter head (2022-08-09),
13. 11406877 - Golf ball cover with silane coupling agent (2022-08-09),
14. D959584 - Putter head (2022-08-02),
15. D959583 - Putter head (2022-08-02),
Callaway Golf Company is an American sporting goods company that designs, manufactures, and sells golf clubs, balls, apparel, and accessories. With a focus on innovation and performance, Callaway is one of the leading brands in the golf industry. Their products are used by professional players as well as amateur golfers around the world. Visit their website for more information and to explore their range of high-quality golf products.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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2,054 Patents

#1 in Carlsbad, CA

#58 in California

#234 in US

#475 in the World

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Carlsbad, CA, United States of America

Callaway Golf Company

Forward Citations = 95,475

367 inventors:

goldMedal Augustin W Rollinson (333 out of 358 patents)

silverMedal Larry G Tang (199 out of 202 patents)

bronzeMedal Alan Hocknell (183 out of 190 patents)

4.  Richard C Helmstetter (183 out of 186 patents)

5.  D Clayton Evans (173 out of 198 patents)

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