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Unicharm Corporation

USPTO Granted Patents = 1,645

CIPO Patents = 108

EPO Patents = 891

Trademarks = 16

Forward Citations = 33,482

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490 inventors (with patents filed for the assignee):

Toshifumi Otsubo (98 out of 112 patents)

Satoshi Mizutani (90 out of 90 patents)

Hiroki Yamamoto (84 out of 88 patents)

4. Yuki Noda (78 out of 78 patents)

5. Takayoshi Konishi (70 out of 71 patents)

6. Yoshitaka Mishima (64 out of 65 patents)

7. Hirotomo Mukai (60 out of 60 patents)

8. Yoshinori Tanaka (59 out of 199 patents)

9. Satoru Sakaguchi (57 out of 57 patents)

10. Takamitsu Igaue (52 out of 52 patents)

11. Daisuke Komatsubara (47 out of 47 patents)

12. Hisashi Takai (44 out of 44 patents)

13. Takeshi Ikegami (41 out of 64 patents)

14. Ichiro Wada (39 out of 40 patents)

15. Tatsuya Tamura (39 out of 55 patents)

Core Competencies:

Pet Diapers

Absorbent Articles

Animal Litter Boxes

Pet Food Packaging

Recycled Pulp Fibers

Urine Absorption Sheets

Elastic Sheets

Cleaning Tools

Disposable Diapers

Feces Indicators

Urine Examination Kits

Cellulose Nanofiberization

1,645 patents: Sort by Forward Citations

1. 12478033 - System toilet for pets (2025-11-25),

2. D1101314 - Adhesive pad for pet urine absorption sheet (2025-11-04),

3. D1101313 - Adhesive pad for pet urine absorption sheet (2025-11-04),

4. 12433255 - Diaper for pet (2025-10-07),

5. 12414536 - Animal litter box (2025-09-16),

6. 12396902 - Absorbent article including absorbent body and front exterior body disposed in front waistline region on non-skin surface side of absorbent body (2025-08-26),

7. 12396899 - Absorbent product provided with feces indicator and urine indicator (2025-08-26),

8. D1085885 - Pet food packaging container (2025-07-29),

9. 12364629 - Method for producing recycled pulp fibers, and recycled pulp fibers (2025-07-22),

10. 12356964 - Cat diaper (2025-07-15),

11. 12329124 - Animal toilet (2025-06-17),

12. 12324730 - Disposable diaper (2025-06-10),

13. 12310544 - Cleaning sheet and surface sheet for cleaning sheet (2025-05-27),

14. 12295346 - Animal toilet (2025-05-13),

15. D1074091 - Litter box (2025-05-06),

Unicharm Corporation is a global company that manufactures and sells personal care products. The company offers a wide range of products including baby diapers, feminine hygiene products, healthcare products, and pet care products. With a focus on providing comfort, convenience, and cleanliness, Unicharm aims to improve the quality of life for people around the world. For more information and to explore their product range, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,645 Patents

#1 in Ehime

#137 in Japan

#587 in the World

Unicharm Corporation

Forward Citations = 33,482

490 inventors:

Toshifumi Otsubo (98 out of 112 patents)

Satoshi Mizutani (90 out of 90 patents)

Hiroki Yamamoto (84 out of 88 patents)

4. Yuki Noda (78 out of 78 patents)

5. Takayoshi Konishi (70 out of 71 patents)

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