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Toyo Seikan Co., Ltd.

USPTO Granted Patents = 107

CIPO Patents = 5

EPO Patents = 52

Trademarks = 2

Forward Citations = 62

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198 inventors (with patents filed for the assignee):

Atsushi Kominami (13 out of 13 patents)

Keisuke Nyuu (10 out of 10 patents)

Tomoyuki Miyazaki (9 out of 10 patents)

4. Souji Araki (9 out of 9 patents)

5. Takashi Miura (7 out of 75 patents)

6. Shie Matsunaga (7 out of 7 patents)

7. Yoshiaki Okada (7 out of 7 patents)

8. Yosuke Akutsu (6 out of 23 patents)

9. Hayato Fukumoto (6 out of 7 patents)

10. Kazuyuki Kurosawa (5 out of 20 patents)

11. Tomohiko Nakamura (5 out of 5 patents)

12. Nobuhiro Sasajima (5 out of 5 patents)

13. Takahiro Yasuumi (5 out of 5 patents)

14. Hidehiko Yuse (4 out of 4 patents)

15. Takeshi Murase (4 out of 39 patents)

Core Competencies:

Polyester Resin Coating

Seamless Can Manufacturing

Easy-Open Packaging

Microwavable Pouch

Beverage Container Technology

Aerosol Container Temperature Control

Synthetic Resin Bottles

Unmanned Aerial Vehicle Systems

Printing Film Technology

Pouch Manufacturing Methods

Discharge Apparatus for Aerial Vehicles

Container Processing Systems

107 patents: Sort by Forward Citations

1. 12486425 - Polyester-resin-coated seamless can and method for manufacturing the same (2025-12-02),

2. 12472550 - Preform of a can and method of manufacturing the same (2025-11-18),

3. 12454115 - Easy-open packaging bag, and easy-open laminate film and pouch having gas barrier properties (2025-10-28),

4. 12421017 - Discharge apparatus and unmanned aerial vehicle (2025-09-23),

5. 12409976 - Method for manufacturing object to be printed and object to be printed (2025-09-09),

6. 12397983 - Closure device and soft packaging container (2025-08-26),

7. 12384612 - Microwavable pouch (2025-08-12),

8. 12384195 - Can (2025-08-12),

9. 12383916 - Information management method, identification information imparting apparatus, and information management system (2025-08-12),

10. 12378051 - Packaging bag (2025-08-05),

11. 12370595 - Method for manufacturing container and apparatus for manufacturing container (2025-07-29),

12. 12359085 - Printing film from which printing layer can be detached (2025-07-15),

13. 12351364 - Seamless can and resin-coated metal sheet for forming seamless can (2025-07-08),

14. 12343782 - Can container and method for producing same (2025-07-01),

15. 12304721 - Temperature adjusting device for an aerosol container (2025-05-20),

Toyo Seikan Co., Ltd. is a leading Japanese packaging manufacturer, specializing in metal cans and containers for various industries. With over a century of expertise, the company offers innovative solutions and high-quality packaging products that cater to the needs of food, beverage, and other consumer goods industries. Toyo Seikan strives to continuously enhance customer satisfaction through its commitment to research and development, advanced manufacturing processes, and sustainable practices.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

107 Patents

#456 in Tokyo

#1,053 in Japan

#7,129 in the World

Toyo Seikan Co., Ltd.

Forward Citations = 62

198 inventors:

Atsushi Kominami (13 out of 13 patents)

Keisuke Nyuu (10 out of 10 patents)

Tomoyuki Miyazaki (9 out of 10 patents)

4. Souji Araki (9 out of 9 patents)

5. Takashi Miura (7 out of 75 patents)

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