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Rubycon Corporation

USPTO Granted Patents = 31

EPO Patents = 5

Trademarks = 2

Forward Citations = 104

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37 inventors (with patents filed for the assignee):

Akihiko Komatsu (15 out of 15 patents)

Yoshishige Sakurai (10 out of 10 patents)

Tetsushi Ogawara (9 out of 9 patents)

4. Yosuke Nozawa (6 out of 6 patents)

5. Shigeru Uzawa (6 out of 6 patents)

6. Akira Iijima (4 out of 4 patents)

7. Masayuki Sakaguchi (4 out of 4 patents)

8. Tomonao Kako (4 out of 4 patents)

9. Taketo Matsuzawa (4 out of 4 patents)

10. Hayato Karasawa (3 out of 3 patents)

11. Hiroki Tsutsui (3 out of 3 patents)

12. Takashi Nozawa (3 out of 3 patents)

13. Takuya Miyahara (2 out of 2 patents)

14. Tetsuo Shiba (2 out of 2 patents)

15. Chiharu Ito (2 out of 2 patents)

31 patents: Sort by Forward Citations

1. 12463298 - Electrical storage device (2025-11-04),

2. 12456587 - Solid electrolytic capacitor including electrolytic solution containing acid and amine, and method for manufacturing same (2025-10-28),

3. 12456584 - Thin film polymer laminated capacitor and manufacturing method therefor (2025-10-28),

4. 12437935 - Solid electrolytic capacitor containing oxygen-containing amine without hydroxy group and method for manufacturing same (2025-10-07),

5. 12249460 - Film capacitor, power converting device, and vehicle including the same (2025-03-11),

6. 12217917 - Solid electrolytic capacitor with small equivalent series resistance and method for manufacturing the same (2025-02-04),

7. 12176156 - Electrolytic capacitor for high withstand voltage (2024-12-24),

8. 11967465 - Film capacitor, power converting device, and vehicle including the same (2024-04-23),

9. 11908632 - Solid electrolytic capacitor with small equivalent series resistance and method for manufacturing the same (2024-02-20),

10. 11854748 - Thin film high polymer laminated capacitor manufacturing method (2023-12-26),

11. 10210997 - Solid electrolytic capacitor and manufacturing method thereof (2019-02-19),

12. 9978527 - Solid Electrolytic capacitor and manufacturing method thereof (2018-05-22),

13. 9947477 - Method of manufacturing thin-film polymer multi-layer capacitor and thin-film polymer multi-layer capacitor (2018-04-17),

14. 9799456 - Solid electrolyte capacitor (2017-10-24),

15. 9786439 - Solid electrolyte capacitor and housing for solid electrolyte capacitor (2017-10-10),

Rubycon Corporation is a leading manufacturer of aluminum electrolytic capacitors. With over 60 years of expertise in the industry, the company has established itself as a trusted supplier of high-quality capacitors for various electronic devices. Rubycon's capacitors are known for their reliability, durability, and outstanding performance. The company's commitment to innovation and continuous improvement has enabled them to meet the evolving needs of customers in the electronics industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

31 Patents

#29 in Nagano

#2,216 in Japan

#20,596 in the World

Rubycon Corporation

Forward Citations = 104

37 inventors:

Akihiko Komatsu (15 out of 15 patents)

Yoshishige Sakurai (10 out of 10 patents)

Tetsushi Ogawara (9 out of 9 patents)

4. Yosuke Nozawa (6 out of 6 patents)

5. Shigeru Uzawa (6 out of 6 patents)

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