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Shionogi Company Limited

USPTO Granted Patents = 1,001

CIPO Patents = 50

EPO Patents = 147

Trademarks = 37

Forward Citations = 5,992

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1,063 inventors (with patents filed for the assignee):

Wataru Nagata (49 out of 51 patents)

Hiroyuki Kai (48 out of 48 patents)

Mitsuaki Ohtani (48 out of 50 patents)

4. Yoshio Hamashima (37 out of 38 patents)

5. Masayuki Narisada (35 out of 37 patents)

6. Teruji Tsuji (33 out of 34 patents)

7. Mitsuru Yoshioka (32 out of 33 patents)

8. Yoshiyuki Taoda (31 out of 31 patents)

9. Moriyasu Masui (30 out of 30 patents)

10. Fumihiko Watanabe (27 out of 27 patents)

11. Akira Takase (27 out of 27 patents)

12. Kentaro Hirai (25 out of 28 patents)

13. Brian Alvin Johns (23 out of 55 patents)

14. Masaru Ogata (23 out of 24 patents)

15. Tsunetoshi Honma (21 out of 21 patents)

Core Competencies:

MGAT-2 Inhibitors

Clinical Trial Analysis

Nanoparticle Composition

Dihydropyrazolopyrazinone Derivatives

Arenavirus Growth Inhibitors

Dopamine D3 Antagonists

Polycyclic Pyridone Derivatives

Monoclonal Antibodies

Nucleic Acid Medicine

HIV Integrase Inhibitors

Influenza Virus Prevention

Solid Dosage Forms

1,001 patents: Sort by Forward Citations

1. 12455270 - Mesh for dissolution test (2025-10-28),

2. 12454533 - Fused ring derivative having MGAT-2 inhibitory activity (2025-10-28),

3. 12427156 - Solid dosage form having excellent stability (2025-09-30),

4. 12400468 - Program generation assisting system for assisting generation of program for analyzing clinical trial (2025-08-26),

5. 12351804 - Production method for bifurcated lipid-linked oligonucleotide, and intermediate (2025-07-08),

6. 12350377 - Preparation containing 6,7-unsaturated-7-carbamoyl morphinan derivatives (2025-07-08),

7. 12312327 - Crystal of 1,3,5-triazine derivative or solvate thereof and method for producing same (2025-05-27),

8. 12285526 - Nanoparticle composition with reduced contaminant and production method thereof (2025-04-29),

9. 12227509 - Dihydropyrazolopyrazinone derivative having MGAT2 inhibitory activity (2025-02-18),

10. 12139489 - Polycyclic carbamoylpyridone derivative (2024-11-12),

11. 12098151 - Arenavirus growth inhibitor comprising polycyclic carbamoyl pyridone derivative (2024-09-24),

12. 12064438 - Pharmaceutical preparation excellent in light stability and dissolution property (2024-08-20),

13. 12024519 - Fused ring derivative having MGAT-2 inhibitory activity (2024-07-02),

14. 11932696 - Method of treating cancer with an anti-CCR8 that binds tumor infiltrating cells (2024-03-19),

15. 11925648 - Solid dosage form having excellent stability (2024-03-12),

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USPTO Data Jan 1 1976 - Dec 30 2025

1,001 Patents

#25 in Osaka

#225 in Japan

#993 in the World

Shionogi Company Limited

Forward Citations = 5,992

1,063 inventors:

Wataru Nagata (49 out of 51 patents)

Hiroyuki Kai (48 out of 48 patents)

Mitsuaki Ohtani (48 out of 50 patents)

4. Yoshio Hamashima (37 out of 38 patents)

5. Masayuki Narisada (35 out of 37 patents)

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