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Sei Corporation

USPTO Granted Patents = 16

% Expired Patents = 43.8

CIPO Patents = 5

EPO Patents = 18

Trademarks = 8

Forward Citations = 11

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26 inventors (with patents filed for the assignee):

Takehiko Sawai (12 out of 20 patents)

Shinji Saito (12 out of 21 patents)

Kazunori Urao (9 out of 15 patents)

4. Karim Zaghib (4 out of 119 patents)

5. Abdelbast Guerfi (4 out of 76 patents)

6. Pierre Hovington (3 out of 11 patents)

7. Ettore Fustinoni (3 out of 3 patents)

8. Takashi Kawasaki (2 out of 86 patents)

9. Kazuma Hanai (2 out of 5 patents)

10. Martin Dontigny (1 out of 13 patents)

11. Hiroshi Murata (1 out of 67 patents)

12. Masahiko Ueta (1 out of 5 patents)

13. Norihiro Wada (1 out of 12 patents)

14. Nobuyuki Yoshino (1 out of 3 patents)

15. Hironori Konishi (1 out of 6 patents)

16 patents: Sort by Forward Citations

1. 12583200 - Method for forming a creasing on a paper item and paper item provided with a creasing (2026-03-24),

2. 12286746 - Laser finishing method and apparatus for providing a finishing pattern on a workpiece (2025-04-29),

3. 11715828 - Positive-electrode materials: methods for their preparation and use in lithium secondary batteries (2023-08-01),

4. 10879567 - Lithium secondary battery, method for producing power collection foil for same, and power collection foil for same (2020-12-29),

5. 10873073 - Composite particles, manufacturing method thereof, electrode material for secondary battery, and secondary battery (2020-12-22),

6. 10403893 - Positive electrode material for lithium secondary battery (2019-09-03),

7. 10230089 - Electrolyte holder for lithium secondary battery and lithium secondary battery (2019-03-12),

8. 10090525 - Positive-electrode materials: methods for their preparation and use in lithium secondary batteries (2018-10-02),

9. 9660269 - Electrode for lithium secondary battery and lithium secondary battery (2017-05-23),

10. 9577253 - Positive-electrode materials: methods for their preparation and use in lithium secondary batteries (2017-02-21),

11. 9537150 - Electrode for secondary battery and production process for the same and secondary battery (2017-01-03),

12. 9496583 - Lithium secondary battery, method for producing power collection foil for same, and power collection foil for same (2016-11-15),

13. 9484515 - Semiconductor light emitting module comprising an exposed plate surface (2016-11-01),

14. 9413003 - Electrode material for lithium secondary battery and lithium secondary battery (2016-08-09),

15. 9257239 - Binder composition for electrode (2016-02-09),

SEI CORPORATION is a multinational technology company specializing in software solutions for various industries. With a focus on innovation and customer-centric approach, SEI CORPORATION delivers cutting-edge software products and services to help businesses streamline their operations, increase productivity, and drive growth. With a strong global presence, SEI CORPORATION has established itself as a trusted partner for organizations seeking digital transformation and technological advancements. Visit our website to explore our solutions and learn more about how we can help your business.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

16 Patents

#7 in Mie

#3,333 in Japan

#37,723 in the World

Sei Corporation

Forward Citations = 11

26 inventors:

Takehiko Sawai (12 out of 20 patents)

Shinji Saito (12 out of 21 patents)

Kazunori Urao (9 out of 15 patents)

4. Karim Zaghib (4 out of 119 patents)

5. Abdelbast Guerfi (4 out of 76 patents)

Please report any incorrect information to [email protected]

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