% Expired Patents = 37.5

EPO Patents = 4

Forward Citations = 25

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9 inventors (with patents filed for the assignee):

Bing Lou Wong (5 out of 28 patents)

Sui Yi Kwok (5 out of 21 patents)

Kwok Chu Butt (4 out of 4 patents)

4. Norman Fung-Man Wai (3 out of 5 patents)

5. Hiu Chi Chong (3 out of 3 patents)

6. Colin Pak Fai Yeh (3 out of 3 patents)

7. Benjamin Chi Yin Wai (3 out of 3 patents)

8. Wing Fung Wu (2 out of 2 patents)

9. Wing Tat Choi (1 out of 1 patent)

10. Sui Yi Kwok (0 patent)

11. Norman Fung-Man Wai (0 patent)

12. Benjamin Chi Yin Wai (0 patent)

8 patents: Sort by Forward Citations

1. 11857605 - Thiosuccinyl-crosslinked hemoglobin conjugates and methods of use and preparation thereof (2024-01-02),

2. 11692022 - Thiosuccinyl-crosslinked hemoglobin analogs and methods of use and preparation thereof (2023-07-04),

3. 11479597 - Thiosuccinyl-crosslinked hemoglobin analogs and methods of use and preparation thereof (2022-10-25),

4. 10052290 - Enteric-coated hemoglobin multiparticulate for oral delivery of hemoglobin based oxygen carriers (2018-08-21),

5. 9770490 - Oral delivery for hemoglobin based oxygen carriers (2017-09-26),

6. 9763889 - Oral delivery system for hemoglobin based oxygen carriers (2017-09-19),

7. 9066933 - Oral delivery for hemoglobin based oxygen carriers (2015-06-30),

8. 8106011 - Method for the preparation of a heat stable oxygen carrier-containing composition facilating beta-beta cross-linking (2012-01-31),

Company Overview

Billion King International Limited is a global leader in the distribution of high-quality industrial equipment and machinery. With a focus on innovation and customer satisfaction, we offer a wide range of products and services to meet the needs of our clients. Our extensive experience and expertise make us a trusted partner for businesses looking to optimize their operations and achieve success in the marketplace.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#398 in Hong Kong

#3,471 in China

Hong Kong, China

Billion King International Limited

Forward Citations = 25

9 inventors:

Bing Lou Wong (5 out of 28 patents)

Sui Yi Kwok (5 out of 21 patents)

Kwok Chu Butt (4 out of 4 patents)

4. Norman Fung-Man Wai (3 out of 5 patents)

5. Hiu Chi Chong (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Billion King International Limited. Retrieved from https://idiyas.com/company/billion-king-international

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

4 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]