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For the Inventor, By the Inventor

Fukuoka, Japan

Green Peptide Co., Ltd.

Calculating rank
USPTO Granted Patents = 16

% Expired Patents = 43.8



Trademarks = 2

Forward Citations = 9

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6 inventors (with patents filed for the assignee):

goldMedal Kyogo Itoh (16 out of 27 patents)

silverMedal Masanobu Nakao (4 out of 5 patents)

bronzeMedal Shigeki Shichijo (3 out of 6 patents)

4.  Akira Yamada (2 out of 3 patents)

5.  Mamoru Harada (1 out of 3 patents)

6.  Shinya Gomi (1 out of 3 patents)

7.  Akira Yamada (0 patent)


16 patents:

1. 9642900 - CTL inducer composition (2017-05-09),
2. 9102715 - CTL inducer composition (2015-08-11),
3. 8563684 - Tumor antigen protein SART-3 and tumor antigen peptides thereof (2013-10-22),
4. 8097697 - Tumor antigen protein SART-3 and tumor antigen peptides thereof (2012-01-17),
5. 7968676 - Tumor antigen protein SART-3 and tumor antigen peptides thereof (2011-06-28),
6. 7655751 - Epidermal growth factor receptor-derived peptides (2010-02-02),
7. 7541428 - Tumor antigen protein SART-3 and tumor antigen peptides thereof (2009-06-02),
8. 7524930 - Tumor antigen (2009-04-28),
9. 7465452 - Tumor antigen (2008-12-16),
10. 7432354 - Tumor antigen (2008-10-07),
11. 7427660 - Tumor antigen (2008-09-23),
12. 7408037 - Tumor antigen (2008-08-05),
13. 7404270 - Tumor antigen (2008-07-29),
14. 7160545 - HLA-A24 binding peptides of enhancer of zeste homolog 2 (2007-01-09),
15. 7148326 - Tumor antigen (2006-12-12),
Company Overview
Green Peptide Co., Ltd., based in Fukuoka, Japan, specializes in the development and manufacturing of peptide-based products. The company focuses on innovative solutions in biotechnology, particularly in the fields of pharmaceuticals and nutraceuticals. By leveraging advanced peptide synthesis technologies, Green Peptide aims to enhance therapeutic efficacy and promote health benefits. Their commitment to research and development positions them as a key player in the peptide industry, contributing to advancements in health and wellness.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#23 in Fukuoka

#3,345 in Japan

#37,887 in the World

Fukuoka, JP
Fukuoka, Japan

Green Peptide Co., Ltd.

Forward Citations = 9

6 inventors:

goldMedal Kyogo Itoh (16 out of 27 patents)

silverMedal Masanobu Nakao (4 out of 5 patents)

bronzeMedal Shigeki Shichijo (3 out of 6 patents)

4.  Akira Yamada (2 out of 3 patents)

5.  Mamoru Harada (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Green Peptide Co., Ltd.. Retrieved from https://idiyas.com/company/green-peptide-company

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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