Growing community of inventors

Chula Vista, CA, United States of America

Roman D Halko

Average Co-Inventor Count = 2.71

ph-index = 11

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 = 669

Roman D HalkoLaurent C Bissonnette (10 patents)Roman D HalkoEdward M Goldsmith (6 patents)Roman D HalkoWilliam E Morgan (5 patents)Roman D HalkoEmanuel Vieira (5 patents)Roman D HalkoChristopher Cavallaro (4 patents)Roman D HalkoJeffrey L Dalton (3 patents)Roman D HalkoBrian R Fletcher (3 patents)Roman D HalkoMichael J McGrath (3 patents)Roman D HalkoDavid A Bulpett (2 patents)Roman D HalkoMurali Rajagopalan (2 patents)Roman D HalkoKevin M Harris (2 patents)Roman D HalkoMitchell E Lutz (2 patents)Roman D HalkoWalter L Reid, Jr (2 patents)Roman D HalkoMichael Paul Mallamaci (2 patents)Roman D HalkoHomayun Ghassemi (2 patents)Roman D HalkoDerek A Ladd (1 patent)Roman D HalkoEdmund A Hebert (1 patent)Roman D HalkoHerbert C Boehm (1 patent)Roman D HalkoMatthew F Hogge (1 patent)Roman D HalkoDouglas C Winfield (1 patent)Roman D HalkoCharles A Days (1 patent)Roman D HalkoDaniel Chartrand (1 patent)Roman D HalkoNeil Wensley (1 patent)Roman D HalkoMegan Morgan (1 patent)Roman D HalkoEmanual Vieira (1 patent)Roman D HalkoManny Vieira (1 patent)Roman D HalkoMichael J Mcgrath (1 patent)Roman D HalkoRoman D Halko (28 patents)Laurent C BissonnetteLaurent C Bissonnette (86 patents)Edward M GoldsmithEdward M Goldsmith (18 patents)William E MorganWilliam E Morgan (127 patents)Emanuel VieiraEmanuel Vieira (6 patents)Christopher CavallaroChristopher Cavallaro (94 patents)Jeffrey L DaltonJeffrey L Dalton (80 patents)Brian R FletcherBrian R Fletcher (3 patents)Michael J McGrathMichael J McGrath (3 patents)David A BulpettDavid A Bulpett (244 patents)Murali RajagopalanMurali Rajagopalan (244 patents)Kevin M HarrisKevin M Harris (124 patents)Mitchell E LutzMitchell E Lutz (49 patents)Walter L Reid, JrWalter L Reid, Jr (22 patents)Michael Paul MallamaciMichael Paul Mallamaci (4 patents)Homayun GhassemiHomayun Ghassemi (2 patents)Derek A LaddDerek A Ladd (360 patents)Edmund A HebertEdmund A Hebert (153 patents)Herbert C BoehmHerbert C Boehm (72 patents)Matthew F HoggeMatthew F Hogge (68 patents)Douglas C WinfieldDouglas C Winfield (19 patents)Charles A DaysCharles A Days (17 patents)Daniel ChartrandDaniel Chartrand (13 patents)Neil WensleyNeil Wensley (3 patents)Megan MorganMegan Morgan (2 patents)Emanual VieiraEmanual Vieira (1 patent)Manny VieiraManny Vieira (1 patent)Michael J McgrathMichael J Mcgrath (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Acushnet Company (22 from 3,593 patents)

2. Easton Sports, Inc. (6 from 52 patents)

3. Jas D. Easton, Inc. (66 patents)


28 patents:

1. 8517868 - Hockey stick

2. 8216096 - Hockey stick

3. 7963868 - Hockey stick

4. 7950676 - Article of footwear comprising a unitary support structure and method of manufacture

5. 7862456 - Hockey stick

6. 7232386 - Hockey stick

7. 7041006 - Golf balls including solution blended polymeric composite and method of making same

8. 7029405 - Multi-layer, wound golf ball

9. 7026395 - Golf balls having a cover layer formed from an ionomer and metallocene-catalyzed polyolefin blend and methods of making same

10. 7018306 - Multi-layer, wound golf ball

11. 6893361 - Multilayer golf ball with hoop-stress layer

12. 6812317 - Wound golf ball having cast polyurethane cover

13. 6712716 - Multilayer golf ball with wound intermediate layer

14. 6710114 - Golf balls including solution blended polymeric composite and method of making same

15. 6695717 - All rubber golf ball with hoop-stress layer

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1/5/2026
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