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For the Inventor, By the Inventor

Osaka, Japan

Sumitomo Pharma Co., Ltd.


USPTO Granted Patents = 14



Forward Citations = 0

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74 inventors (with patents filed for the assignee):

goldMedal Hitoshi Ban (4 out of 41 patents)

silverMedal Seiji Kamioka (4 out of 18 patents)

bronzeMedal Naoaki Shimada (3 out of 29 patents)

4.  Tomoyuki Tanaka (2 out of 17 patents)

5.  Hiroyuki Kitano (2 out of 12 patents)

6.  Petinka I Vlahova (2 out of 27 patents)

7.  Yoshiaki Isobe (2 out of 30 patents)

8.  Akihiko Arakawa (1 out of 5 patents)

9.  Kazuto Yamazaki (1 out of 5 patents)

10.  Atsushi Kuwahara (1 out of 13 patents)

11.  Hidefumi Yoshinaga (1 out of 19 patents)

12.  Satoshi Adachi (1 out of 9 patents)

13.  Tomohito Takita (1 out of 12 patents)

14.  Kaiji Fujiwara (1 out of 5 patents)

15.  Yuki Mizukami (1 out of 3 patents)


14 patents:

1. 12735430 - Crystalline solvated forms of N-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxy-3-pyridazinyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-N'-methoxyurea (2026-09-15),
2. 12673941 - TERTIARY AMIDE DERIVATIVES SUBSTITUTED WITH 4-MEMBERED RING STRUCTURE (2026-07-07),
3. 12662494 - Optically active bridged piperidine derivative (2026-06-23),
4. 12655154 - Crystalline solvated forms of N-(4-(1-(2,6-difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxy-3-pyridazinyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-N'-methoxyurea (2026-06-16),
5. 12636259 - Transdermal absorption preparation (2026-05-26),
6. 12629370 - Treatment of prostate cancer (2026-05-19),
7. 12624011 - Oxadiazole derivative (2026-05-12),
8. 12617779 - Self degradation-type CDK9 inhibitor prodrug and liposome encapsulating same (2026-05-05),
9. 12590063 - Phenol derivative (2026-03-31),
10. D1118970 - Dish (2026-03-17),
11. 12559487 - Crosslinked optically active secondary amine derivative (2026-02-24),
12. 12551447 - Combination solid oral dosage forms of gonadotropin-releasing hormone antagonists (2026-02-17),
13. 12534475 - Bicyclic pyridine derivative (2026-01-27),
14. 12534442 - Benzisoxazole derivative (2026-01-27),
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USPTO Data Jan 1 1976 - Sep 22 2026

14 Patents

#385 in Osaka

#3,572 in Japan

#42,135 in the World

Osaka, JP
Osaka, Japan

Sumitomo Pharma Co., Ltd.

Forward Citations = 0

74 inventors:

goldMedal Hitoshi Ban (4 out of 41 patents)

silverMedal Seiji Kamioka (4 out of 18 patents)

bronzeMedal Naoaki Shimada (3 out of 29 patents)

4.  Tomoyuki Tanaka (2 out of 17 patents)

5.  Hiroyuki Kitano (2 out of 12 patents)

Please report any incorrect information to [email protected]
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