% Expired Patents = 20.0

EPO Patents = 1

Forward Citations = 11

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3 inventors (with patents filed for the assignee):

Tsuyoshi Fujihara (5 out of 15 patents)

Shozo Fujita (2 out of 18 patents)

Tomoyasu Kichise (1 out of 1 patent)

4. Shozo Fujita (0 patent)

5. Shuji Ikeda (0 patent)

6. Tsuyoshi Fujihara (0 patent)

5 patents: Sort by Forward Citations

1. 9512171 - Functional molecule and manufacturing method therefor (2016-12-06),

2. 9353142 - Protecting group for indole group, nucleic acid-synthesizing amidite and nucleic acid-synthesizing method (2016-05-31),

3. 8940879 - Functional molecule, functional molecule synthesizing amidite and target substance analysis method (2015-01-27),

4. 8889843 - Nucleic acid synthesizing dimer amidite and nucleic acid synthesizing method (2014-11-18),

5. 8759502 - Protecting group for indole group, nucleic acid-synthesizing amidite and nucleic acid-synthesizing method (2014-06-24),

Company Overview

Apta Biosciences Ltd is a biotechnology company that specializes in developing innovative aptamer-based solutions for various applications in the healthcare and life sciences industries. With a focus on precision medicine and targeted therapies, the company harnesses the power of aptamers to design advanced diagnostic tools and therapeutic agents. Apta Biosciences is dedicated to advancing personalized medicine and improving patient outcomes through cutting-edge research and development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#1 in Ledbury

#3,213 in United Kingdom

Ledbury, United Kingdom

Apta Biosciences Ltd

Forward Citations = 11

3 inventors:

Tsuyoshi Fujihara (5 out of 15 patents)

Shozo Fujita (2 out of 18 patents)

Tomoyasu Kichise (1 out of 1 patent)

4. Shozo Fujita (0 patent)

5. Shuji Ikeda (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Apta Biosciences Ltd. Retrieved from https://idiyas.com/company/apta-biosciences

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]