For the Inventor, By the Inventor

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Singapore, Singapore

Datamark Technologies Pte Ltd

USPTO Granted Patents = 2

% Expired Patents = 100.0

Forward Citations = 67

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6 inventors (with patents filed for the assignee):

T S Anthony Ho (1 out of 1 patent)

Jun Shen (1 out of 1 patent)

K K Andrew Chow (1 out of 1 patent)

4. W M Jeremiah Woon (1 out of 1 patent)

5. Anthony Tung Shuen Ho (1 out of 1 patent)

6. Siu Chung Tam (1 out of 5 patents)

2 patents: Sort by Forward Citations

1. 7561716 - Watermarking method and apparatus (2009-07-14),

2. 6983057 - Methods for embedding image, audio and video watermarks in digital data (2006-01-03),

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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#596 in Singapore

#596 in Singapore

Singapore, Singapore

Datamark Technologies Pte Ltd

Forward Citations = 67

6 inventors:

T S Anthony Ho (1 out of 1 patent)

Jun Shen (1 out of 1 patent)

K K Andrew Chow (1 out of 1 patent)

4. W M Jeremiah Woon (1 out of 1 patent)

5. Anthony Tung Shuen Ho (1 out of 1 patent)

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