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Amagasakishi, Japan

Japan Electronic Materials Corporation

USPTO Granted Patents = 29

Forward Citations = 183

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41 inventors (with patents filed for the assignee):

Chikaomi Mori (9 out of 12 patents)

Kosuke Fujihara (6 out of 8 patents)

Masao Okubo (5 out of 19 patents)

4. Zenji Hagiwara (5 out of 15 patents)

5. Yuichiro Shimizu (4 out of 11 patents)

6. Teppei Kimura (4 out of 8 patents)

7. Takashi Amemiya (3 out of 13 patents)

8. Katsuhiko Satou (3 out of 3 patents)

9. Liwen Fan (2 out of 2 patents)

10. Akinori Shiraishi (2 out of 66 patents)

11. Atsuo Urata (2 out of 6 patents)

12. Hiroshi Yamazaki (1 out of 105 patents)

13. Hiroshi Iwata (1 out of 11 patents)

14. Katsunori Yamagishi (1 out of 2 patents)

15. Koji Nagai (1 out of 2 patents)

29 patents: Sort by Forward Citations

1. 12467953 - Probe card (2025-11-11),

2. 12392801 - Probe card (2025-08-19),

3. 12339314 - Probe card and method for repairing probe card (2025-06-24),

4. 12332278 - Probe card (2025-06-17),

5. 10908180 - Probe card case and probe card transfer method (2021-02-02),

6. 10386387 - Probe guide plate and probe device (2019-08-20),

7. 10309988 - Probe guide plate and probe device (2019-06-04),

8. 10261110 - Probe guide plate having a silicon oxide layer formed on surfaces and on an inner wall of a through hole thereof, and a protective insulating layer formed on the silicon oxide layer, and probe apparatus including the probe guide plate (2019-04-16),

9. 10184954 - Probe card case and probe card transfer method (2019-01-22),

10. 10139430 - Probe guide, probe card, and method for probe guide manufacturing (2018-11-27),

11. 9972933 - Contact probe (2018-05-15),

12. 9841438 - Guide plate for a probe card and probe card provided with same (2017-12-12),

13. 9535096 - Guide plate for a probe card and probe card provided with same (2017-01-03),

14. 9523716 - Probe guide plate and method for manufacturing the same (2016-12-20),

15. 9459287 - Guide plate for probe card (2016-10-04),

Japan Electronic Materials Corporation (JEM) is a leading provider of electronic materials and solutions for various industries. With a strong focus on research and development, JEM strives to deliver innovative products that enhance the performance and functionality of electronic devices. Our extensive product portfolio includes semiconductor materials, display materials, solid-state lighting materials, and more. We are committed to meeting the evolving needs of our customers and driving advancements in electronic technology.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

29 Patents

#1 in Amagasakishi

#2,304 in Japan

#21,869 in the World

Amagasakishi, Japan

Japan Electronic Materials Corporation

Forward Citations = 183

41 inventors:

Chikaomi Mori (9 out of 12 patents)

Kosuke Fujihara (6 out of 8 patents)

Masao Okubo (5 out of 19 patents)

4. Zenji Hagiwara (5 out of 15 patents)

5. Yuichiro Shimizu (4 out of 11 patents)

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