Growing community of inventors

Hong Kong, China

Wai Lam William Yim

Average Co-Inventor Count = 1.00

ph-index = 5

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 = 358

Wai Lam William YimWai Lam William Yim (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sanwa Technologies, Inc. (4 from 7 patents)

2. Zear Corporation Limited (1 from 3 patents)


5 patents:

1. 8544643 - Waterproof camera case with a lock mechanism

2. 8374495 - User-configurable waterproof camera case

3. D647554 - Waterproof camera case

4. 7929847 - User-configurable waterproof camera case

5. D621432 - Configurable waterproof camera case

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1/7/2026
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