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For the Inventor, By the Inventor

Tokyo, Japan

Tagcyx Biotechnologies


USPTO Granted Patents = 11

% Expired Patents = 18.2


Forward Citations = 0

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8 inventors (with patents filed for the assignee):

goldMedal Ichiro Hirao (11 out of 22 patents)

silverMedal Michiko Hirao (11 out of 14 patents)

bronzeMedal Shigeyuki Yokoyama (7 out of 54 patents)

4.  Kenichiro Matsunaga (3 out of 3 patents)

5.  Rie Yamashige (3 out of 3 patents)

6.  Tsuneo Mitsui (2 out of 3 patents)

7.  Shuang Liu (1 out of 1 patent)

8.  Iwao Nozawa (1 out of 1 patent)

9.  Hirao Michiko (0 patent)

10.  Hirao Ichiro (0 patent)

11.  Matsunaga Kenichiro (0 patent)

12.  Tsuyoshi Fujihara (0 patent)

13.  Masahide Ishikawa (0 patent)


11 patents:

1. 11104904 - Method for stabilizing DNA aptamers (2021-08-31),
2. 10760083 - DNA aptamer that binds to vWF (2020-09-01),
3. 10695362 - Stabilization method of functional nucleic acid (2020-06-30),
4. 10550393 - Method for stabilizing DNA aptamers (2020-02-04),
5. 9873879 - Nucleic acid fragment binding to target protein (2018-01-23),
6. 9857362 - Method for preparing nucleic acid aptamer (2018-01-02),
7. 9540650 - Nucleic acid fragment binding to target protein (2017-01-10),
8. 9285319 - Nucleic acid base analogs with quenching and fluorescent activities and applications thereof (2016-03-15),
9. 8895712 - Artificial base pair capable of forming specific base pair (2014-11-25),
10. 8686130 - Artificial fluorescent bases (2014-04-01),
11. 8426569 - DNA capable of being amplified by PCR with high selectivity and high efficiency (2013-04-23),
Company Overview
Tagcyx Biotechnologies is a Tokyo-based organization focused on advancing biotechnological solutions. The company specializes in the development of innovative therapies and diagnostic tools aimed at addressing complex health challenges. With a strong emphasis on research and development, Tagcyx leverages cutting-edge technologies to enhance the efficacy of treatments and improve patient outcomes. Its commitment to scientific excellence positions it as a key player in the biotechnology landscape, contributing to the evolution of healthcare solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#1,808 in Tokyo

#4,139 in Japan

#51,801 in the World

Tokyo, JP
Tokyo, Japan

Tagcyx Biotechnologies

Forward Citations = 0

8 inventors:

goldMedal Ichiro Hirao (11 out of 22 patents)

silverMedal Michiko Hirao (11 out of 14 patents)

bronzeMedal Shigeyuki Yokoyama (7 out of 54 patents)

4.  Kenichiro Matsunaga (3 out of 3 patents)

5.  Rie Yamashige (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tagcyx Biotechnologies. Retrieved from https://idiyas.com/company/tagcyx-biotechnologies

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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