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Rohto Pharmaceutical Co., Ltd.

USPTO Granted Patents = 82

EPO Patents = 18

Trademarks = 11

Forward Citations = 802

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141 inventors (with patents filed for the assignee):

Shigehiko Kokubo (13 out of 13 patents)

Shigeru Kametaka (7 out of 7 patents)

Atsuko Nakata (6 out of 6 patents)

4. Shin'ichi Hayashi (6 out of 6 patents)

5. Yasuko Matsumura (5 out of 5 patents)

6. Eri Matsumoto (5 out of 5 patents)

7. Tetsuo Koike (4 out of 4 patents)

8. Takayuki Miyano (4 out of 4 patents)

9. Kiyotsugu Higashi (4 out of 4 patents)

10. Katsuhiko Morisaki (4 out of 4 patents)

11. Yoichi Honma (3 out of 4 patents)

12. Masatoshi Haga (3 out of 3 patents)

13. Yuya Hayashi (3 out of 3 patents)

14. Naohiro Ikeda (3 out of 6 patents)

15. Takahiro Kurose (3 out of 10 patents)

Core Competencies:

Burdock Seed Oil

Topical Composition

Mesenchymal Stem Cells

Ophthalmic Composition

Aqueous Composition

Choroidal Neovascularization

Anti-Aging Agent

Retinal Disease

Functional Food

Child-Proof Container

Exosome Therapy

Hemicrania Relief

82 patents: Sort by Forward Citations

1. 12433926 - Burdock seed oil-containing composition and method for producing same (2025-10-07),

2. 12296038 - Topical composition containing ascorbic acid and/or salt thereof (2025-05-13),

3. 12295910 - Resin container and resin container connected body (2025-05-13),

4. 12263239 - External composition containing ascorbic acid and/or salt thereof (2025-04-01),

5. 12226436 - Transplant material for treatment of heart disease (2025-02-18),

6. 12186264 - Resin container and resin container connected body (2025-01-07),

7. 12090133 - Topical composition (2024-09-17),

8. 11813299 - Composition and functional food for preventing myopia (2023-11-14),

9. 11707488 - ROR1-positive mesenchymal stem cells and method for preparing same, pharmaceutical composition containing ROR1-positive mesenchymal stem cells and method for preparing same, and method for preventing or treating disease using ROR1-positive mesenchymal stem cells (2023-07-25),

10. 11357798 - Mesenchymal stem cell-derived exosome (2022-06-14),

11. 11331390 - Ophthalmic composition (2022-05-17),

12. 11273437 - Cell treatment apparatus (2022-03-15),

13. 11253550 - Method for treating fibrotic liver disease (2022-02-22),

14. 11179420 - Method for treating a disease, comprising administering mesenchymal stem cells or culture supernatant thereof to a subject (2021-11-23),

15. 11167889 - Squeeze bottle (2021-11-09),

Rohto Pharmaceutical Co., Ltd. is a Japanese multinational pharmaceutical company. It specializes in the research, development, and manufacturing of over-the-counter pharmaceuticals, cosmetics, and healthcare products. With a history of over 100 years, Rohto aims to improve the health and well-being of people around the world. For more information about the company, 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 30 2025

82 Patents

#120 in Osaka

#1,250 in Japan

#8,996 in the World

Rohto Pharmaceutical Co., Ltd.

Forward Citations = 802

141 inventors:

Shigehiko Kokubo (13 out of 13 patents)

Shigeru Kametaka (7 out of 7 patents)

Atsuko Nakata (6 out of 6 patents)

4. Shin'ichi Hayashi (6 out of 6 patents)

5. Yasuko Matsumura (5 out of 5 patents)

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