For the Inventor, By the Inventor

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Otokuni-Gun, Kyoto, Japan

Hitachi Maxell Energy, Ltd.

USPTO Granted Patents = 10

EPO Patents = 3

Forward Citations = 38

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38 inventors (with patents filed for the assignee):

Yoshihisa Hirose (2 out of 3 patents)

Noriyuki Yabushita (1 out of 9 patents)

Masayuki Yamada (1 out of 38 patents)

4. Hiroshi Fukunaga (1 out of 27 patents)

5. Haruyuki Nakanishi (1 out of 47 patents)

6. Fusaji Kita (1 out of 26 patents)

7. Shigeaki Murata (1 out of 26 patents)

8. Koji Yamaguchi (1 out of 34 patents)

9. Toshikazu Yoshiba (1 out of 5 patents)

10. Kazunobu Matsumoto (1 out of 6 patents)

11. Hideki Tsubata (1 out of 2 patents)

12. Hiroyasu Inoue (1 out of 2 patents)

13. Masahiro Imanishi (1 out of 31 patents)

14. Ryoko Masuyoshi (1 out of 1 patent)

15. Mitsutoshi Watanabe (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 8221509 - Battery and method for producing the same (2012-07-17),

2. 8216719 - Non-aqueous secondary battery and method for producing the same (2012-07-10),

3. 8197954 - Battery pack (2012-06-12),

4. 8153298 - Positive electrode for alkaline battery and alkaline battery using the same (2012-04-10),

5. 8137840 - Nonaqueous secondary battery and method of using the same (2012-03-20),

6. 8043740 - Flat-shaped battery (2011-10-25),

7. 8021793 - Hydrogen producing apparatus and fuel cell system using the same (2011-09-20),

8. 8007691 - Fine particle of perovskite oxide, particle having deposited perovskite oxide, catalyst material, catalyst material for oxygen reduction, catalyst material for fuel cell, and electrode for fuel cell (2011-08-30),

9. 8003247 - Button-type alkaline battery and method of manufacturing the same (2011-08-23),

10. 7989100 - Sealed prismatic battery (2011-08-02),

Hitachi Maxell Energy, Ltd. is a leading energy storage solutions provider that focuses on lithium-ion batteries, battery systems, and energy storage systems. With a commitment to sustainability and innovation, the company delivers reliable and high-performance solutions for a wide range of applications including automotive, industrial, and residential sectors. With a global presence and a dedication to research and development, Hitachi Maxell Energy, Ltd. is at the forefront of the energy industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

10 Patents

#1 in Otokuni-Gun, Kyoto

#4,290 in Japan

#54,309 in the World

Otokuni-Gun, Kyoto, Japan

Hitachi Maxell Energy, Ltd.

Forward Citations = 38

38 inventors:

Yoshihisa Hirose (2 out of 3 patents)

Noriyuki Yabushita (1 out of 9 patents)

Masayuki Yamada (1 out of 38 patents)

4. Hiroshi Fukunaga (1 out of 27 patents)

5. Haruyuki Nakanishi (1 out of 47 patents)

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