Growing community of inventors

North Kingston, RI, United States of America

Joseph P Sejnowski

Average Co-Inventor Count = 2.25

ph-index = 15

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 = 615

Joseph P SejnowskiPeter Jonathan Myers (8 patents)Joseph P SejnowskiRoss Steven Randolph (6 patents)Joseph P SejnowskiRoss Carl (3 patents)Joseph P SejnowskiAidan J Petrie (3 patents)Joseph P SejnowskiBrenda O'Grady Liistro (3 patents)Joseph P SejnowskiTraci J Barron (3 patents)Joseph P SejnowskiDan Nelsen (3 patents)Joseph P SejnowskiArden Hill (3 patents)Joseph P SejnowskiRichard D La Torre (3 patents)Joseph P SejnowskiJeff Yaschur (3 patents)Joseph P SejnowskiBill Mussig (3 patents)Joseph P SejnowskiRichard S Chomik (2 patents)Joseph P SejnowskiFrederick M Rieber (2 patents)Joseph P SejnowskiAidan Petrie (1 patent)Joseph P SejnowskiDouglas Arthur Schultheis (1 patent)Joseph P SejnowskiTaek Kim (1 patent)Joseph P SejnowskiStuart Mark Leslie (1 patent)Joseph P SejnowskiMark Yoho (1 patent)Joseph P SejnowskiRandolph J Primozic, Jr (1 patent)Joseph P SejnowskiFrederick M Reiber (1 patent)Joseph P SejnowskiJoseph P Sejnowski (25 patents)Peter Jonathan MyersPeter Jonathan Myers (33 patents)Ross Steven RandolphRoss Steven Randolph (32 patents)Ross CarlRoss Carl (35 patents)Aidan J PetrieAidan J Petrie (25 patents)Brenda O'Grady LiistroBrenda O'Grady Liistro (19 patents)Traci J BarronTraci J Barron (14 patents)Dan NelsenDan Nelsen (12 patents)Arden HillArden Hill (7 patents)Richard D La TorreRichard D La Torre (7 patents)Jeff YaschurJeff Yaschur (3 patents)Bill MussigBill Mussig (3 patents)Richard S ChomikRichard S Chomik (50 patents)Frederick M RieberFrederick M Rieber (4 patents)Aidan PetrieAidan Petrie (70 patents)Douglas Arthur SchultheisDouglas Arthur Schultheis (47 patents)Taek KimTaek Kim (39 patents)Stuart Mark LeslieStuart Mark Leslie (38 patents)Mark YohoMark Yoho (21 patents)Randolph J Primozic, JrRandolph J Primozic, Jr (2 patents)Frederick M ReiberFrederick M Reiber (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Playtex Products, Inc. (8 from 383 patents)

2. Kolcraft Enterprises, Inc. (8 from 106 patents)

3. Playskool, Inc. (3 from 18 patents)

4. Hasbro, Inc. (2 from 497 patents)

5. Edgewell Personal Care Brands, LLC (1 from 181 patents)

6. The First Years Inc. (1 from 101 patents)

7. Angelcare USA, LLC (1 from 8 patents)

8. Item New Product Development (1 from 6 patents)


25 patents:

1. 10618728 - Waste storage device

2. 10314410 - Play gyms and methods of operating the same

3. 9591936 - Cup assembly

4. 8764612 - Play gyms and methods of operating the same

5. 8702526 - Child swing and jumper apparatus and methods of operating the same

6. 8388501 - Play gyms and methods of operating the same

7. 8357054 - Child swing and jumper apparatus and methods of operating the same

8. 8272525 - Lip-openable spill-proof container

9. 8256641 - Cup assembly

10. 8257229 - Play gyms and methods of operating the same

11. 7878915 - Child swing and jumper apparatus and methods of operating the same

12. 7562789 - Cup assembly

13. 7376993 - Play gyms and methods of operating the same

14. D520809 - Lid

15. D515867 - Lid

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as of
1/7/2026
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