Growing community of inventors

Hong Kong, China

Kin Fai Chang

Average Co-Inventor Count = 3.13

ph-index = 4

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 = 60

Kin Fai ChangChun Wing Wong (5 patents)Kin Fai ChangPeter Kit Fan (3 patents)Kin Fai ChangHim Fung Hau (3 patents)Kin Fai ChangJebraeil Samo (2 patents)Kin Fai ChangMiva A Filoseta (2 patents)Kin Fai ChangDonald A Rosenwinkel (1 patent)Kin Fai ChangDavid Strom (1 patent)Kin Fai ChangTodd J Kurtzer (1 patent)Kin Fai ChangRichard Blake Kuralt (1 patent)Kin Fai ChangHo Man Lau (1 patent)Kin Fai ChangZgiant Zheng (1 patent)Kin Fai ChangLouis Luk Kwok Yau (1 patent)Kin Fai ChangYing Si Lui (1 patent)Kin Fai ChangLouis Luk (1 patent)Kin Fai ChangKin Fai Chang (9 patents)Chun Wing WongChun Wing Wong (11 patents)Peter Kit FanPeter Kit Fan (14 patents)Him Fung HauHim Fung Hau (3 patents)Jebraeil SamoJebraeil Samo (8 patents)Miva A FilosetaMiva A Filoseta (5 patents)Donald A RosenwinkelDonald A Rosenwinkel (34 patents)David StromDavid Strom (6 patents)Todd J KurtzerTodd J Kurtzer (6 patents)Richard Blake KuraltRichard Blake Kuralt (3 patents)Ho Man LauHo Man Lau (1 patent)Zgiant ZhengZgiant Zheng (1 patent)Louis Luk Kwok YauLouis Luk Kwok Yau (1 patent)Ying Si LuiYing Si Lui (1 patent)Louis LukLouis Luk (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (8 from 1,702 patents)

2. Big Monster Toys LLC (1 from 9 patents)


9 patents:

1. 9964383 - Toy projectile and method of making

2. 9829290 - Toy projectile and method of making

3. 9726446 - Magazine for projectile launcher

4. 9581410 - Projectile launcher and method of operating the same

5. 9302193 - Corner booster for toy vehicle track set

6. 9261336 - Toy projectile and method of making

7. 8956198 - Walking toy

8. 8366508 - Toy vehicle booster and track set

9. 7955158 - Toy vehicle booster and track set

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as of
12/12/2025
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