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Adv Antest Corporation

USPTO Granted Patents = 2,253

EPO Patents = 41

Trademarks = 14

Forward Citations = 14,942

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1,249 inventors (with patents filed for the assignee):

Toshiyuki Okayasu (118 out of 118 patents)

Takahiro Yamaguchi (88 out of 141 patents)

Masahiro Ishida (84 out of 270 patents)

4. Masakatsu Suda (44 out of 44 patents)

5. Daisuke Watanabe (42 out of 141 patents)

6. Yasuo Furukawa (40 out of 47 patents)

7. Theodore A Khoury (39 out of 41 patents)

8. Shoji Kojima (38 out of 38 patents)

9. Koji Asami (33 out of 33 patents)

10. Kiyotaka Ichiyama (33 out of 33 patents)

11. Mani Soma (30 out of 37 patents)

12. Shinya Sato (29 out of 95 patents)

13. Yoshihiro Hashimoto (28 out of 44 patents)

14. Takashi Sekino (28 out of 28 patents)

15. Toshiyuki Kiyokawa (26 out of 26 patents)

Core Competencies:

Automated Test Equipment

CXL Protocol

Optical Testing

Electronic Component Handling

Signal Generator

Temperature Control

Measurement Arrangement

High Frequency Power Divider

Diagnostic Tools

Memory Management

Testing Systems

Power Supply Devices

2,253 patents: Sort by Forward Citations

1. 12487286 - Diagnostic tool for traffic capture with known signature database (2025-12-02),

2. 12483342 - Measurement arrangement for characterizing a radio frequency arrangement having a plurality of antennas (2025-11-25),

3. 12483021 - Protective circuit and switch control device (2025-11-25),

4. 12476221 - Fabrication method of stacked device and stacked device (2025-11-18),

5. 12474376 - Apparatus and method for 2-phase cooling of test array and condensation prevention during device testing (2025-11-18),

6. 12467973 - Automated test equipment and method using a trigger generation (2025-11-11),

7. 12467970 - Test arrangement for testing one or more devices, test support module for supporting testing one or more devices, and method for operating an automated test equipment (2025-11-11),

8. 12467969 - Automated test equipment and method using device specific data (2025-11-11),

9. 12455235 - Optical comb measuring apparatus (2025-10-28),

10. 12451810 - Power supply device (2025-10-21),

11. 12449444 - Test system configuration adapter systems and methods (2025-10-21),

12. 12437244 - System and method for reserving cloud-based instrument (2025-10-07),

13. 12436855 - Systems and methods utilizing DAX memory management for testing CXL protocol enabled devices (2025-10-07),

14. 12436187 - Electronic component handling apparatus, and electronic component test apparatus (2025-10-07),

15. 12436186 - Self-reset testing systems and methods (2025-10-07),

ADV ANTEST Corporation is a leading provider of testing solutions for the semiconductor industry based in Japan. They offer a comprehensive range of products including semiconductor test systems, probe cards, and related components. With a commitment to quality and innovation, ADV ANTEST Corporation continues to drive advancements in semiconductor testing technology.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

2,253 Patents

#51 in Tokyo

#107 in Japan

#434 in the World

Adv Antest Corporation

Forward Citations = 14,942

1,249 inventors:

Toshiyuki Okayasu (118 out of 118 patents)

Takahiro Yamaguchi (88 out of 141 patents)

Masahiro Ishida (84 out of 270 patents)

4. Masakatsu Suda (44 out of 44 patents)

5. Daisuke Watanabe (42 out of 141 patents)

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