Growing community of inventors

La Habra, CA, United States of America

Sang Joon Kwak

Average Co-Inventor Count = 2.73

ph-index = 2

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 = 17

Sang Joon KwakStacy Lynn O'Connor (2 patents)Sang Joon KwakRobert William Matthes (2 patents)Sang Joon KwakMichael W Nuttall (1 patent)Sang Joon KwakEric C Ostendorff (1 patent)Sang Joon KwakDavid Alan Sheltman (1 patent)Sang Joon KwakGarrett R Sander (1 patent)Sang Joon KwakIvy Bleser (1 patent)Sang Joon KwakElena Velasquez (1 patent)Sang Joon KwakRichelle Moh (1 patent)Sang Joon KwakSang Joon Kwak (5 patents)Stacy Lynn O'ConnorStacy Lynn O'Connor (39 patents)Robert William MatthesRobert William Matthes (3 patents)Michael W NuttallMichael W Nuttall (53 patents)Eric C OstendorffEric C Ostendorff (30 patents)David Alan SheltmanDavid Alan Sheltman (11 patents)Garrett R SanderGarrett R Sander (3 patents)Ivy BleserIvy Bleser (1 patent)Elena VelasquezElena Velasquez (1 patent)Richelle MohRichelle Moh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (5 from 1,702 patents)


5 patents:

1. 9808729 - Wall mounted toy track set

2. 9421473 - Wall mounted toy track set

3. 9352238 - Toy vehicle track set

4. 9345979 - Wall mounted toy track set

5. 9114327 - Toy playset

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as of
12/15/2025
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