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JP

Kaken Pharmaceutical Company, Ltd.


USPTO Granted Patents = 136



Trademarks = 7

Forward Citations = 782


where 'Filed Patents' based on already Granted Patents

where 'Inventors Filed' based on already Granted Patents


399 inventors (with patents filed for the assignee):

goldMedal Kenji Hirai (20 out of 29 patents)

silverMedal Tadashi Arika (12 out of 12 patents)

bronzeMedal Nobuo Ishiyama (11 out of 11 patents)

4.  Mamoru Yokoo (10 out of 10 patents)

5.  Tomoyuki Yano (10 out of 10 patents)

6.  Jun Nakano (9 out of 13 patents)

7.  Satoru Ikegami (8 out of 8 patents)

8.  Tsutomu Nakamura (8 out of 13 patents)

9.  Mitsuo Mimura (8 out of 8 patents)

10.  Shoin Nagato (8 out of 9 patents)

11.  Makoto Okumura (8 out of 9 patents)

12.  Emiko Ejiri (8 out of 9 patents)

13.  Takahiko Murata (7 out of 79 patents)

14.  Takanobu Naito (7 out of 7 patents)

15.  Motoyuki Yajima (7 out of 11 patents)


136 patents:

1. 12421225 - Heteroaromatic amide derivative and medicament containing the same (2025-09-23),
2. 12196592 - Measuring mechanism, and fixed-quantity dispensing container and fixed-quantity applicator including the same (2025-01-14),
3. 11400471 - Airless container (2022-08-02),
4. 11084787 - Method for producing 1-methylpyrrolidin-3-ol (2021-08-10),
5. 10829475 - Production and purification methods for efinaconazole (2020-11-10),
6. 10647675 - Biaryl derivative and medicine containing same (2020-05-12),
7. 10646402 - Syringe device for communicating two types of substances to each other and method thereof (2020-05-12),
8. 10640484 - Method for producing (R)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxopyridin-1(2H)-yl)methyl]imidazolidine-2,4-dione and intermediate for producing same (2020-05-05),
9. D880692 - Medicine mixing device (2020-04-07),
10. 10478601 - Applicator (2019-11-19),
11. 10000476 - Pyridone derivative, pharmaceutical containing the same and methods of use thereof (2018-06-19),
12. 9855257 - 4-alkynyl imidazole derivative and medicine comprising same as active ingredient (2018-01-02),
13. 9593081 - 4-alkynyl imidazole derivative and medicine comprising same as active ingredient (2017-03-14),
14. 9580444 - Polycyclic pyrazolinone derivative and herbicide comprising same as effective component thereof (2017-02-28),
15. 9518041 - (+)-5-(3,4-difluorophenyl)-5-[(3-methyl-2-oxopyridin-1(2H)-yl)methyl]imidazolidine-2,4-dione and drug containing same (2016-12-13),
Kaken Pharmaceutical Company, Ltd. is a Japanese pharmaceutical company specializing in the research and development, manufacturing, and marketing of prescription drugs, over-the-counter drugs, and medical devices. With a focus on dermatology, immunology, and allergy, Kaken is committed to providing innovative solutions to improve the health and well-being of people worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

...
136 Patents

#30 in

#886 in Japan

#5,761 in the World

...
JP

Kaken Pharmaceutical Company, Ltd.

Forward Citations = 782

399 inventors:

goldMedal Kenji Hirai (20 out of 29 patents)

silverMedal Tadashi Arika (12 out of 12 patents)

bronzeMedal Nobuo Ishiyama (11 out of 11 patents)

4.  Mamoru Yokoo (10 out of 10 patents)

5.  Tomoyuki Yano (10 out of 10 patents)

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