% Expired Patents = 87.5

EPO Patents = 1

Trademarks = 1

Forward Citations = 15

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6 inventors (with patents filed for the assignee):

Victor K Tsui (4 out of 4 patents)

Nigel Robert Bates (3 out of 4 patents)

Philip Thomas Price (3 out of 4 patents)

4. Brian J Bellhouse (1 out of 1 patent)

5. George Costigan (1 out of 1 patent)

6. Colin D Sheldrake (1 out of 1 patent)

7. John Watson (3 patents)

8. Stuart Graham Weekes (1 patent)

8 patents: Sort by Forward Citations

1. 10384012 - Devices and methods for delivering particles (2019-08-20),

2. 10384011 - Devices and methods for delivering particles (2019-08-20),

3. 10071204 - Devices and methods for delivering particles (2018-09-11),

4. 9370622 - Devices and methods for delivering particles (2016-06-21),

5. 9358338 - Particle cassettes and processes therefor (2016-06-07),

6. 9044546 - Particle cassettes and processes therefor (2015-06-02),

7. 8540665 - Particle cassettes and processes therefor (2013-09-24),

8. RE43824 - Needleless syringe (2012-11-19),

Company Overview

Powder Pharmaceuticals Inc. is a leading biopharmaceutical company focused on developing innovative powder-based delivery systems for pharmaceutical products. Our mission is to provide superior drug delivery solutions to improve patient outcomes and enhance treatment effectiveness. With a dedicated team of researchers and scientists, we are committed to advancing the field of pharmaceutical technology and revolutionizing drug delivery methods.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#397 in Hong Kong

#3,464 in China

Hong Kong, China

Powder Pharmaceuticals Inc.

Forward Citations = 15

6 inventors:

Victor K Tsui (4 out of 4 patents)

Nigel Robert Bates (3 out of 4 patents)

Philip Thomas Price (3 out of 4 patents)

4. Brian J Bellhouse (1 out of 1 patent)

5. George Costigan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Powder Pharmaceuticals Inc.. Retrieved from https://idiyas.com/company/powder-pharmaceuticals

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]

1 patent (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]