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Nippon Chemi-con Corporation

USPTO Granted Patents = 171

EPO Patents = 56

Trademarks = 5

Forward Citations = 658

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197 inventors (with patents filed for the assignee):

Kenji Tamamitsu (27 out of 27 patents)

Shuichi Ishimoto (24 out of 24 patents)

Yutaka Yokoyama (21 out of 65 patents)

4. Katsuhiko Naoi (20 out of 29 patents)

5. Wako Naoi (19 out of 19 patents)

6. Masashi Ozawa (17 out of 17 patents)

7. Fumihiko Shinozaki (16 out of 16 patents)

8. Kazuya Koseki (14 out of 15 patents)

9. Kenji Machida (14 out of 24 patents)

10. Kazuhiro Nagahara (13 out of 13 patents)

11. Yoshihiro Minato (11 out of 11 patents)

12. Satoru Tsumeda (11 out of 11 patents)

13. Satoshi Kubota (11 out of 18 patents)

14. Masao Sakakura (11 out of 11 patents)

15. Kazuma Okura (9 out of 9 patents)

Core Competencies:

Electrolytic Capacitor

Solid Electrolytic Capacitor

Hybrid Capacitor

Capacitor Manufacturing

Electrode Body

Conductive Carbon

Power Storage Device

Capacitor Lifespan Estimation

Electrode Foil

Metal Compound Particle Group

Gel Electrolytic Capacitor

Filter Circuit

171 patents: Sort by Forward Citations

1. 12482609 - Electrolytic capacitor, negative electrode body and method for producing electrolytic capacitor (2025-11-25),

2. 12469648 - Electrolytic capacitor, negative electrode body, and method for manufacturing electrolytic capacitor (2025-11-11),

3. 12444546 - Electrolytic capacitor and method for producing electrolytic capacitor (2025-10-14),

4. 12444545 - Electrolytic capacitor, negative electrode body, and method for manufacturing electrolytic capacitor (2025-10-14),

5. 12437934 - Capacitor with negative electrode foil including carbon layer (2025-10-07),

6. 12400803 - Electrolytic capacitor (2025-08-26),

7. 12400801 - Electrolytic capacitor (2025-08-26),

8. 12400800 - Solid electrolytic capacitor and method for producing solid electrolytic capacitor (2025-08-26),

9. 12340954 - Electrode body, electrolytic capacitor provided with electrode body, and method for producing electrode body (2025-06-24),

10. 12266483 - Cathode and electrolytic capacitor (2025-04-01),

11. 12237117 - Capacitor, capacitor manufacturing method, and capacitor mounting method (2025-02-25),

12. 12237116 - Capacitor and method for manufacturing same (2025-02-25),

13. 12057276 - Solid electrolytic capacitor (2024-08-06),

14. 12009158 - Solid electrolytic capacitor and method for manufacturing same (2024-06-11),

15. 11948755 - Electrode body, electrolytic capacitor provided with electrode body, and method for producing electrode body (2024-04-02),

Nippon Chemi-Con Corporation is a leading Japanese manufacturer of electronic components, specializing in aluminum electrolytic capacitors. With over 60 years of experience, the company is known for its high-quality products that have a wide range of applications in various industries, including automotive, telecommunications, consumer electronics, and industrial equipment. Nippon Chemi-Con Corporation is committed to providing innovative solutions and reliable components that meet the evolving needs of its global customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

171 Patents

#347 in Tokyo

#763 in Japan

#4,704 in the World

Nippon Chemi-con Corporation

Forward Citations = 658

197 inventors:

Kenji Tamamitsu (27 out of 27 patents)

Shuichi Ishimoto (24 out of 24 patents)

Yutaka Yokoyama (21 out of 65 patents)

4. Katsuhiko Naoi (20 out of 29 patents)

5. Wako Naoi (19 out of 19 patents)

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