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Uni-charm Co., Ltd.

USPTO Granted Patents = 37

CIPO Patents = 8

EPO Patents = 61

Forward Citations = 958

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28 inventors (with patents filed for the assignee):

Toshifumi Otsubo (14 out of 112 patents)

Shunsuke Takino (10 out of 43 patents)

Akihide Ninomiya (4 out of 17 patents)

4. Akihisa Shiomi (4 out of 8 patents)

5. Hiroki Yamamoto (4 out of 88 patents)

6. Nariaki Shimoe (4 out of 34 patents)

7. Kyoko Ito (4 out of 5 patents)

8. Yasuhiko Kenmochi (3 out of 31 patents)

9. Michiyo Matsushita (3 out of 11 patents)

10. Yoshinori Tanaka (3 out of 199 patents)

11. Kyota Saito (2 out of 12 patents)

12. Takanori Yano (2 out of 11 patents)

13. Takaaki Shimada (2 out of 26 patents)

14. Toru Sasaki (2 out of 23 patents)

15. Masamitsu Yamamoto (2 out of 18 patents)

37 patents: Sort by Forward Citations

1. 8182901 - Printed biodegradable plastic film (2012-05-22),

2. 8034040 - Pull-on disposable diaper (2011-10-11),

3. 7909807 - Pants-type disposable wearing article (2011-03-22),

4. 7892219 - Disposable wearing article provided with tape fasteners (2011-02-22),

5. 7758558 - Pants-type disposable wearing article (2010-07-20),

6. 7458960 - Pull-on disposable diaper (2008-12-02),

7. 7449015 - Pants-type disposable wearing article (2008-11-11),

8. 7390372 - Process for attaching indicator element to disposable garment (2008-06-24),

9. 7329244 - Pull-on disposable diaper (2008-02-12),

10. 7322968 - Disposable wearing article and process for making the same (2008-01-29),

11. 7318798 - Apparatus and method for folding and tucking crotch region of disposable diaper (2008-01-15),

12. 7226437 - Pull-on disposable diaper (2007-06-05),

13. 7220251 - Pants-type disposable wearing article (2007-05-22),

14. 7217261 - Pull-on disposable wearing article (2007-05-15),

15. 7214287 - Process for continuously making disposable wearing articles (2007-05-08),

Uni-charm Co., Ltd. is a Japanese multinational company that manufactures and sells personal care, baby care, feminine care, and healthcare products. Founded in 1961, Uni-charm has become a leading player in the industry with a strong focus on innovation and sustainability. With a commitment to providing high-quality products for consumers around the world, Uni-charm continues to expand its global presence and drive growth through strategic partnerships and investments.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

37 Patents

#5 in Ehime

#2,014 in Japan

#17,726 in the World

Uni-charm Co., Ltd.

Forward Citations = 958

28 inventors:

Toshifumi Otsubo (14 out of 112 patents)

Shunsuke Takino (10 out of 43 patents)

Akihide Ninomiya (4 out of 17 patents)

4. Akihisa Shiomi (4 out of 8 patents)

5. Hiroki Yamamoto (4 out of 88 patents)

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