% Expired Patents = 15.4

Forward Citations = 20

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4 inventors (with patents filed for the assignee):

Makoto Nagashima (7 out of 20 patents)

Dongmin Chen (5 out of 49 patents)

Gilbert Springer (1 out of 4 patents)

4. Dominik J Schmidt (1 out of 50 patents)

13 patents: Sort by Forward Citations

1. 10003020 - Heterojunction oxide non-volatile memory device (2018-06-19),

2. 9520559 - Heterojunction oxide non-volatile memory device (2016-12-13),

3. 9293201 - Heterojunction oxide non-volatile memory devices (2016-03-22),

4. 8884401 - Systems and methods for fabricating self-aligned memory cell (2014-11-11),

5. 8698120 - Heterojunction oxide non-volatile memory device (2014-04-15),

6. 8454810 - Dual hexagonal shaped plasma source (2013-06-04),

7. 8395199 - Systems and methods for fabricating self-aligned memory cell (2013-03-12),

8. 8378345 - Heterojunction oxide non-volatile memory device (2013-02-19),

9. 8367513 - Systems and methods for fabricating self-aligned memory cell (2013-02-05),

10. 8308915 - Systems and methods for magnetron deposition (2012-11-13),

11. 7985960 - Voltage excited piezoelectric resistance memory cell system (2011-07-26),

12. 7932548 - Systems and methods for fabricating self-aligned memory cell (2011-04-26),

13. 7425504 - Systems and methods for plasma etching (2008-09-16),

Company Overview

4D-S Pty, Ltd is an innovative company based in Perth, Australia, specializing in advanced technology solutions for various industries. The organization focuses on developing cutting-edge software and hardware systems that enhance operational efficiency and data management. With a strong emphasis on research and development, 4D-S is dedicated to pushing the boundaries of technology, particularly in fields such as automation and data analytics, to provide tailored solutions that meet the evolving needs of its clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#3 in Perth

#294 in Australia

#45,081 in the World

Perth, Australia

4D-S Pty, Ltd

Forward Citations = 20

4 inventors:

Makoto Nagashima (7 out of 20 patents)

Dongmin Chen (5 out of 49 patents)

Gilbert Springer (1 out of 4 patents)

4. Dominik J Schmidt (1 out of 50 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 4D-S Pty, Ltd. Retrieved from https://idiyas.com/company/4d-s-pty

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]