Growing community of inventors

Manhattan Beach, CA, United States of America

Jurgis Sapkus

Average Co-Inventor Count = 1.88

ph-index = 8

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 = 146

Jurgis SapkusJ Stephen Lewis (10 patents)Jurgis SapkusToshio Yamasaki (1 patent)Jurgis SapkusJames P Mills-Winkler (1 patent)Jurgis SapkusRaymond J Douglas (1 patent)Jurgis SapkusCharles D Clarke (1 patent)Jurgis SapkusJanice S Rosenthal (1 patent)Jurgis SapkusJurgis Sapkus (13 patents)J Stephen LewisJ Stephen Lewis (16 patents)Toshio YamasakiToshio Yamasaki (10 patents)James P Mills-WinklerJames P Mills-Winkler (10 patents)Raymond J DouglasRaymond J Douglas (4 patents)Charles D ClarkeCharles D Clarke (1 patent)Janice S RosenthalJanice S Rosenthal (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (13 from 1,702 patents)


13 patents:

1. 4580585 - Hair twining apparatus

2. 4424644 - Winking apparatus for figure toy

3. 4369690 - Hair braiding apparatus

4. 4355482 - Skating doll

5. 4246722 - Growing baby doll

6. 4217725 - Combination doll and accessory articles

7. 4183172 - Toy with endless belt for conveying a doll or the like

8. 4135327 - Doll construction with pivotable torso members

9. 4127251 - Doll stand

10. 4087932 - Toy escalator

11. 3996695 - Sneezing doll

12. 3994092 - Figure toy having reverse gear ratio between limbs

13. 3992807 - Growth-simulating figure toy

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as of
12/15/2025
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