Growing community of inventors

Causeway Bay, China

Angeline Widjaja

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 0

Angeline Widjaja ↔ Koon Fung Lam (1 patent)Angeline Widjaja ↔ Wai Kwong Ching (3 patents)Angeline Widjaja ↔ Wai Kwong Ching (1 patent)Angeline WidjajaAngeline Widjaja (1 patent)Koon Fung LamKoon Fung Lam (10 patents)Wai Kwong ChingWai Kwong Ching (3 patents)Wai Kwong ChingWai Kwong Ching (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Active Tools International (hk) Ltd. (1 from 24 patents)

2. Active Tools International Ltd. (0 patent)


1 patent:

1. 11993036 - Tire sealant composition

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as of
12/21/2025
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