Fdk Twicell Co., Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 33.3

EPO Patents = 3

Forward Citations = 4

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18 inventors (with patents filed for the assignee):

Masaru Kihara (3 out of 32 patents)

Toshiki Sato (2 out of 28 patents)

Akira Saguchi (2 out of 13 patents)

4. Satoshi Wada (2 out of 2 patents)

5. Tomomi Nakamura (2 out of 2 patents)

6. Isao Mugima (2 out of 2 patents)

7. Takahiro Endo (2 out of 5 patents)

8. Yuzo Imoto (1 out of 6 patents)

9. Minoru Imaizumi (1 out of 2 patents)

10. Masanori Yamashita (1 out of 4 patents)

11. Takashi Kabasawa (1 out of 8 patents)

12. Masaaki Takei (1 out of 3 patents)

13. Tetsuya Yamane (1 out of 4 patents)

14. Hisanori Honma (1 out of 2 patents)

15. Masaru Takasu (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 8951666 - Nickel hydrogen rechargeable battery with rare earth-Mg-Ni based hydrogen storage (2015-02-10),

2. 8815451 - Negative-electrode plate and cylindrical cell including same (2014-08-26),

3. 8785019 - Negative electrode for a nickel-hydrogen rechargeable battery and a nickel-hydrogen rechargeable battery using the same (2014-07-22),

4. 8680814 - Battery charger and battery charging method (2014-03-25),

5. 8592084 - Negative electrode for alkaline secondary cell and alkaline secondary cell using same (2013-11-26),

6. 8501335 - Battery unit (2013-08-06),

Company Overview

FDK Twicell Co., Ltd. is a leading manufacturer of advanced battery solutions for various industries, including automotive, consumer electronics, and industrial applications. With a focus on innovation and quality, FDK Twicell delivers reliable and high-performance battery products to meet the evolving needs of their customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#3 in Takasaki

#5,990 in Japan

Takasaki, Japan

Fdk Twicell Co., Ltd.

Forward Citations = 4

18 inventors:

Masaru Kihara (3 out of 32 patents)

Toshiki Sato (2 out of 28 patents)

Akira Saguchi (2 out of 13 patents)

4. Satoshi Wada (2 out of 2 patents)

5. Tomomi Nakamura (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fdk Twicell Co., Ltd.. Retrieved from https://idiyas.com/company/fdk-twicell-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]