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For the Inventor, By the Inventor

Kanagawa, Japan

Nec Energy Devices, Ltd.


USPTO Granted Patents = 92


Forward Citations = 234

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81 inventors (with patents filed for the assignee):

goldMedal Shin Suzuki (12 out of 12 patents)

silverMedal Shinako Kaneko (11 out of 25 patents)

bronzeMedal Hitoshi Ishikawa (9 out of 75 patents)

4.  Yasutaka Kono (7 out of 9 patents)

5.  Tadahiro Yoshida (7 out of 8 patents)

6.  Toru Suzuki (6 out of 72 patents)

7.  Jiro Iriyama (6 out of 34 patents)

8.  Tomokazu Kumeuchi (6 out of 6 patents)

9.  Daisuke Kawasaki (5 out of 41 patents)

10.  Ryuichi Kasahara (5 out of 17 patents)

11.  Tatsuji Numata (5 out of 19 patents)

12.  Yoko Hashizume (5 out of 5 patents)

13.  Koichi Zama (5 out of 5 patents)

14.  Takao Daidoji (4 out of 5 patents)

15.  Tetsuya Kajita (4 out of 16 patents)


Core Competencies:
Lithium Ion Secondary Battery
Battery Module
Negative Electrode
Charging Apparatus
Battery Pack
Gel Electrolyte
Power Storage System
Nonaqueous Electrolyte Solution
Battery Control System
Electrode Manufacturing Method
Electrical Device

92 patents:

1. 10340550 - Lithium ion secondary cell (2019-07-02),
2. 10305108 - Graphite-based active material, negative electrode, and lithium ion secondary battery (2019-05-28),
3. 10305088 - Secondary battery and method for manufacturing same (2019-05-28),
4. 10290854 - Method of manufacturing paste for manufacturing of negative electrode, method of manufacturing negative electrode for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery (2019-05-14),
5. 10290839 - Secondary battery (2019-05-14),
6. 10270121 - Secondary battery (2019-04-23),
7. 10236497 - Intermittently coated battery electrode manufacturing method (2019-03-19),
8. 10236487 - Battery module (2019-03-19),
9. 10230250 - Charging apparatus, electricity storage system, charging method and program (2019-03-12),
10. 10218036 - Battery pack, electrical device, and control method therefor (2019-02-26),
11. 10218029 - Electrode for secondary battery, secondary battery, and manufacturing method of the electrode and the secondary battery (2019-02-26),
12. 10217988 - Secondary battery (2019-02-26),
13. 10193184 - Lithium ion secondary battery and method for manufacturing same (2019-01-29),
14. 10164233 - Lithium ion secondary battery comprising a heat sealed separator (2018-12-25),
15. 10153477 - Lithium-ion secondary battery and method of producing the same (2018-12-11),
NEC Energy Devices, Ltd. is a leading provider of advanced energy storage solutions. They specialize in the manufacturing of lithium-ion batteries and innovative battery management systems. With a strong focus on research and development, NEC Energy Devices aims to bring sustainable and reliable energy storage solutions to various industries, including automotive, renewable energy, and grid applications.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

92 Patents

#33 in Kanagawa

#1,156 in Japan

#8,124 in the World

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Kanagawa, Japan

Nec Energy Devices, Ltd.

Forward Citations = 234

81 inventors:

goldMedal Shin Suzuki (12 out of 12 patents)

silverMedal Shinako Kaneko (11 out of 25 patents)

bronzeMedal Hitoshi Ishikawa (9 out of 75 patents)

4.  Yasutaka Kono (7 out of 9 patents)

5.  Tadahiro Yoshida (7 out of 8 patents)

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