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Yokohama, Japan

Furukawa Denchi Kabushiki Kaisha

USPTO Granted Patents = 45

Forward Citations = 359

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47 inventors (with patents filed for the assignee):

Jun Furukawa (10 out of 22 patents)

Kenji Nakano (4 out of 4 patents)

Ichiro Sano (4 out of 7 patents)

4. Hidetoshi Abe (3 out of 8 patents)

5. Masahiro Yamamoto (3 out of 3 patents)

6. Takashi Mizuno (3 out of 3 patents)

7. Makio Kojima (3 out of 3 patents)

8. Haruo Sawa (3 out of 3 patents)

9. Yuichi Suzuki (2 out of 6 patents)

10. Toru Mangahara (2 out of 2 patents)

11. Satoshi Tanno (2 out of 2 patents)

12. Koichi Hoshino (2 out of 2 patents)

13. Hikaru Sakamoto (2 out of 2 patents)

14. Naoyoshi Hinotsu (2 out of 2 patents)

15. Ken Saito (2 out of 2 patents)

Core Competencies:

Lithium Secondary Battery

Nickel Electrode

Hydrogen Occlusion Alloys

Rechargeable Battery

Alkaline Storage Battery

Sealed Storage Battery

Battery-Charging Circuit

Storage Battery Manufacturing

Electric Vehicle Batteries

Graphitized Carbon Active Material

Resistance Welding Method

Metal-Air Battery

45 patents: Sort by Forward Citations

1. 6048372 - Method of producing an electrode plate used for a lithium secondary (2000-04-11),

2. 5902545 - Hydrogen occlusion alloys for electrical cells (1999-05-11),

3. 5891588 - Lithium secondary battery (1999-04-06),

4. 5876874 - Nickel electrode for secondary battery (1999-03-02),

5. 5865982 - Process for preparing compound (1999-02-02),

6. 5853918 - Lithium secondary battery containing graphitized carbon active material (1998-12-29),

7. 5846674 - Electrode for rechargeable battery with nonaqueous electrolyte and (1998-12-08),

8. 5840442 - Method for activating an alkaline rechargeable battery (1998-11-24),

9. 5804945 - DC power supply system with automatic recharging for storage battery (1998-09-08),

10. 5716734 - Pocket type separator for electrode plate of storage battery (1998-02-10),

11. 5714280 - Lithium secondary battery (1998-02-03),

12. 5688294 - Method for manufacturing a cylindrical nickel-hydrogen rechargeable (1997-11-18),

13. 5665483 - Sealed storage battery (1997-09-09),

14. 5635313 - Nickel electrode for an alkaline secondary battery (1997-06-03),

15. 5586993 - Sealed storage battery and manufacturing method thereof (1996-12-24),

Furukawa Denchi Kabushiki Kaisha is a leading manufacturer of high-quality batteries and energy storage solutions. With a history dating back to 1884, the company has continuously evolved to meet the ever-growing needs of the market. Furukawa Denchi's advanced technology and expertise enable them to provide reliable power solutions for a wide range of industries including automotive, telecommunications, aerospace, and more.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

45 Patents

#28 in Yokohama

#1,788 in Japan

#14,978 in the World

Yokohama, Japan

Furukawa Denchi Kabushiki Kaisha

Forward Citations = 359

47 inventors:

Jun Furukawa (10 out of 22 patents)

Kenji Nakano (4 out of 4 patents)

Ichiro Sano (4 out of 7 patents)

4. Hidetoshi Abe (3 out of 8 patents)

5. Masahiro Yamamoto (3 out of 3 patents)

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