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Hosokawa Yoko Co., Ltd.

USPTO Granted Patents = 107

EPO Patents = 45

Forward Citations = 1,017

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101 inventors (with patents filed for the assignee):

Kazuhiro Umenaka (22 out of 22 patents)

Toru Ichikawa (19 out of 40 patents)

Tooru Ichikawa (18 out of 24 patents)

4. Raizo Kuge (13 out of 21 patents)

5. Yoshiji Moteki (10 out of 16 patents)

6. Tomonari Shinohara (9 out of 9 patents)

7. Ryosuke Miyawaki (6 out of 6 patents)

8. Yuichiro Moriyama (6 out of 7 patents)

9. Toshiharu Iwasaki (6 out of 6 patents)

10. Susumu Niwa (5 out of 12 patents)

11. Tomio Tahara (5 out of 12 patents)

12. Takayuki Kotani (4 out of 4 patents)

13. Yukio Kobayashi (4 out of 48 patents)

14. Manabu Nakamura (4 out of 37 patents)

15. Koki Abe (4 out of 5 patents)

Core Competencies:

Packaging Containers

Medical Bags

Spout Caps

Multilayer Films

Self-Standing Bags

Gusset Bags

Infusion Bags

Filling Systems

Check Valves

Pouch Packaging

Barrier Plugs

Injection Molding

107 patents: Sort by Forward Citations

1. 12441530 - Discharge member, accommodating container, method for manufacturing discharge member, mold for injection molding, and discharge member with closing member (2025-10-14),

2. D1092234 - Pouch for packaging (2025-09-09),

3. 12358690 - Storage container for soft capsules, soft capsule-containing storage container, and laminate for soft capsules (2025-07-15),

4. D1059586 - Medical bag (2025-01-28),

5. D1059585 - Medical bag (2025-01-28),

6. D1054019 - Medical bag (2024-12-10),

7. 12103737 - Rectangular-bottomed packaging bag, and method for manufacturing rectangular-bottomed packaging bag (2024-10-01),

8. 12049348 - Multilayer film for container and container comprising same (2024-07-30),

9. D1031442 - Packaging container (2024-06-18),

10. 11897669 - Spout cap, spout, and container with spout (2024-02-13),

11. 11738909 - Sleeve and packaging bag (2023-08-29),

12. 11731387 - Bag making machine and bag making method (2023-08-22),

13. 11655089 - Spout-equipped packaging bag and manufacturing method therefor, and spout-equipped packaging bag that contains contents (2023-05-23),

14. 11459138 - Filling system (2022-10-04),

15. D960716 - Pouch (2022-08-16),

Hosokawa Yoko Co., Ltd. is a leading Japanese company specializing in packaging solutions. With a history of over 60 years, the company has earned a strong reputation for providing innovative packaging products and services. Hosokawa Yoko offers a wide range of packaging materials, including flexible films, labels, and tapes, catering to various industries such as food and beverage, pharmaceuticals, and industrial. Their commitment to quality, sustainability, and customer satisfaction has made them a trusted partner for businesses worldwide.

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

Hosokawa Yoko Co., Ltd.

Forward Citations = 1,017

101 inventors:

Kazuhiro Umenaka (22 out of 22 patents)

Toru Ichikawa (19 out of 40 patents)

Tooru Ichikawa (18 out of 24 patents)

4. Raizo Kuge (13 out of 21 patents)

5. Yoshiji Moteki (10 out of 16 patents)

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