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For the Inventor, By the Inventor

Worcester, MA, United States of America

Antigen Express, Inc.

Calculating rank
USPTO Granted Patents = 12

% Expired Patents = 16.7


Forward Citations = 66

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6 inventors (with patents filed for the assignee):

goldMedal Robert E Humphreys (11 out of 14 patents)

silverMedal Minzhen Xu (10 out of 13 patents)

bronzeMedal Sharlene Adams (3 out of 13 patents)

4.  Nikolenta Kallinteris (1 out of 1 patent)

5.  Eric Von Hofe (1 out of 7 patents)

6.  Gang Qiu (1 out of 1 patent)


12 patents:

1. 9289487 - II-key/antigenic epitope hybrid peptide vaccines (2016-03-22),
2. 8889143 - Ii-key/HER-2/neu hybrid cancer vaccine (2014-11-18),
3. 8815249 - Ii-key/antigenic epitope hybrid peptide vaccines (2014-08-26),
4. 8748130 - Human papillomavirus / Ii-Key hybrids and methods of use (2014-06-10),
5. 7935350 - Ii-key/Her-2/neu hybrid cancer vaccine (2011-05-03),
6. 7541334 - Hybrid peptides modulate the immune response (2009-06-02),
7. 7205274 - Hybrid peptides modulate the immune response (2007-04-17),
8. 7179645 - Ii-Key/antigenic epitope hybrid peptide vaccines (2007-02-20),
9. 6432409 - Hybrid peptides modulate the immune response (2002-08-13),
10. 6368855 - MHC class II antigen presenting cells containing oligonucleotides which inhibit Ii protein expression (2002-04-09),
11. 5679527 - Modification of polypeptide structure (1997-10-21),
12. 5559028 - Methods of enhancing or antigen presentation to T cells inhibiting (1996-09-24),
Company Overview
Antigen Express, Inc. is a biotechnology company based in Worcester, MA, specializing in the development of innovative immunotherapeutic solutions. The company focuses on harnessing the power of the immune system to create targeted therapies for cancer and infectious diseases. Through its proprietary technology platforms, Antigen Express aims to enhance the efficacy of vaccines and immunotherapies, contributing to advancements in personalized medicine and improving patient outcomes in the field of oncology and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#25 in Worcester, MA

#1,549 in Massachusetts

#25,588 in US

#48,233 in the World

Worcester, MA (US)
Worcester, MA, United States of America

Antigen Express, Inc.

Forward Citations = 66

6 inventors:

goldMedal Robert E Humphreys (11 out of 14 patents)

silverMedal Minzhen Xu (10 out of 13 patents)

bronzeMedal Sharlene Adams (3 out of 13 patents)

4.  Nikolenta Kallinteris (1 out of 1 patent)

5.  Eric Von Hofe (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Antigen Express, Inc.. Retrieved from https://idiyas.com/company/antigen-express

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]
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