Growing community of inventors

Hong Kong, China

David C Kwan

Average Co-Inventor Count = 3.44

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 = 256

David C KwanSteven Allen Lebensfeld (8 patents)David C KwanHarvey Goldberg (6 patents)David C KwanCarmine Russo (3 patents)David C KwanMa H Wai (3 patents)David C KwanFrank Landi (2 patents)David C KwanNg Wing Kwong (1 patent)David C KwanNg Wing Kwong (1 patent)David C KwanDavid C Kwan (9 patents)Steven Allen LebensfeldSteven Allen Lebensfeld (27 patents)Harvey GoldbergHarvey Goldberg (7 patents)Carmine RussoCarmine Russo (6 patents)Ma H WaiMa H Wai (4 patents)Frank LandiFrank Landi (9 patents)Ng Wing KwongNg Wing Kwong (1 patent)Ng Wing KwongNg Wing Kwong (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (5 from 832,961 patents)

2. Toymax, Inc. (4 from 23 patents)


9 patents:

1. 6071166 - Light shooting and detecting toy figures

2. 5984788 - Interactive toy shooting game having a target with a feelable output

3. 5947478 - Toy electronic game with flexible interactive play section

4. 5741185 - Interactive light-operated toy shooting game

5. 5528014 - Toy oven

6. 5451745 - Toy oven

7. 5147237 - Toy audio device

8. 5092810 - Toy audio device

9. 5073140 - Toy action figures and speech and sound effects accessory therefor

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idiyas.com
as of
1/13/2026
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