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Waltham, MA, United States of America

Alexander D Johnson

USPTO Granted Patents = 13 (Patent Applications = 15)

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 10(Granted Patents)

Location History:

Fairfield, CA (US) (1994)
Waltham, MA (US) (2023 - 2024)

Company Filing History:

12 out of 1,775

Bae Systems Information and Electronic Systems Integration Inc.

1 out of 832,680

Other

patents

Years Active: 1994-2025

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12489221 - Size expandable dual polarized antenna array (2025-12-02),

2. 12469985 - Additively manufactured antenna with Vivaldi element (2025-11-11),

3. 12424755 - Dual polarized aperture fed stacked patch antenna (2025-09-23),

4. 12424754 - Additively manufactured modular aperture (AMMA) stacked patch antenna (2025-09-23),

5. 12394912 - Flexible aperture fed patch antenna (2025-08-19),

6. 12394900 - Bandwidth extended balanced tightly coupled dipole array additively manufactured modular aperture (2025-08-19),

7. 12266861 - Integrated additively manufactured modular aperture antenna (2025-04-01),

8. 12237573 - Resistively loaded tightly coupled dipole array additively manufactured modular aperture (2025-02-25),

9. 11969788 - Additive manufacturing of aperture fed patch antenna (2024-04-30),

10. 11682822 - Collapsible direction finding antenna array for space-disadvantaged cylindrical platforms (2023-06-20),

11. 11652299 - Wideband dipole array with differential feeding (2023-05-16),

12. 11600910 - Collapsible monopole antenna for space-disadvantaged cylindrical platforms (2023-03-07),

13. 5326458 - Liquid skimming system (1994-07-05),

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