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Yuasa Corporation

Calculating rank

USPTO Granted Patents = 38

% Expired Patents = 2.6

CIPO Patents = 1

Trademarks = 4

Forward Citations = 382

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74 inventors (with patents filed for the assignee):

Syuichi Izuchi (9 out of 14 patents)

Kazuo Murata (7 out of 18 patents)

Hiroe Nakagawa (6 out of 13 patents)

4. Masahiko Oshitani (6 out of 9 patents)

5. Masaharu Watada (6 out of 7 patents)

6. Seijiro Ochiai (5 out of 6 patents)

7. Shigeru Sano (5 out of 7 patents)

8. Minoru Kuzuhara (4 out of 4 patents)

9. Kazunari Takeda (4 out of 7 patents)

10. Takehito Bogauchi (4 out of 4 patents)

11. Shiro Kato (4 out of 5 patents)

12. Hiroshi Kagawa (3 out of 10 patents)

13. Kengo Furukawa (3 out of 3 patents)

14. Toshiki Tanaka (3 out of 4 patents)

15. Yoshihiro Eguchi (3 out of 4 patents)

Core Competencies:

Nickel Electrode

Alkaline Battery

Lithium Secondary Cell

Gel Electrolyte

Metal Hydride Electrode

Cathode Composite

Solid Polymer Electrolyte

Battery Manufacturing

Lead Acid Battery

Separator

Hydrogen Absorbing Electrode

Quasi-Resonant Inverter

38 patents: Sort by Forward Citations

1. 7635512 - Nickel electrode material, and production method therefor, and nickel electrode and alkaline battery (2009-12-22),

2. 7527890 - Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery (2009-05-05),

3. D543938 - Storage battery (2007-06-05),

4. 7022238 - Immersion type membrane filter (2006-04-04),

5. 6902848 - Lithium battery including a gel electrolyte (2005-06-07),

6. 6673496 - Thin lithium secondary cell (2004-01-06),

7. 6358646 - Method of making a flat type lithium secondary battery and electrode (2002-03-19),

8. 6248479 - Secondary battery (2001-06-19),

9. 6136473 - Hydrogen absorbing electrode, nickel electrode and alkaline storage (2000-10-24),

10. 5935732 - Hydrogen absorbing electrode and its manufacturing method (1999-08-10),

11. 5789109 - Cathode composite (1998-08-04),

12. 5750285 - Life indicator and lead-acid storage battery with life indicator (1998-05-12),

13. 5630263 - Manufacturing method of expanded mesh (1997-05-20),

14. 5572418 - Quasi-resonant PWM inverter (1996-11-05),

15. 5547780 - Battery precursor and a battery (1996-08-20),

Company Overview

Yuasa Corporation, headquartered in Osaka, Japan, is a prominent player in the development and manufacturing of advanced battery technologies. The company specializes in a wide range of lead-acid and lithium-ion batteries, catering to various sectors including automotive, industrial, and consumer electronics. Yuasa is recognized for its commitment to innovation and quality, focusing on enhancing energy storage solutions and contributing to sustainable energy practices globally. Its research initiatives emphasize improving battery performance and longevity.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

38 Patents

#216 in Osaka

#2,027 in Japan

#17,853 in the World

Yuasa Corporation

Forward Citations = 382

74 inventors:

Syuichi Izuchi (9 out of 14 patents)

Kazuo Murata (7 out of 18 patents)

Hiroe Nakagawa (6 out of 13 patents)

4. Masahiko Oshitani (6 out of 9 patents)

5. Masaharu Watada (6 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yuasa Corporation. Retrieved from https://idiyas.com/company/yuasa

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]

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