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Chuo-ku Tokyo, Japan

Toa Eiyo Ltd.

USPTO Granted Patents = 30

CIPO Patents = 2

EPO Patents = 11

Forward Citations = 252

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101 inventors (with patents filed for the assignee):

Kentaro Kogi (8 out of 9 patents)

Kunihiro Minami (5 out of 5 patents)

Hidekazu Masaki (5 out of 5 patents)

4. Kazuhiro Uemoto (5 out of 5 patents)

5. Atsuo Takahashi (5 out of 5 patents)

6. Masayuki Kageyama (4 out of 4 patents)

7. Takeshi Hasegawa (4 out of 4 patents)

8. Shin-ichi Kazayama (4 out of 4 patents)

9. Shin-ichi Yamada (4 out of 6 patents)

10. Yoshihiro Iwao (3 out of 14 patents)

11. Katsuhiro Okada (3 out of 22 patents)

12. Shuichiro Yuasa (3 out of 4 patents)

13. Koichi Takayanagi (3 out of 3 patents)

14. Hideki Yamada (3 out of 3 patents)

15. Fumiya Yoneyama (3 out of 3 patents)

30 patents: Sort by Forward Citations

1. 10717904 - Adhesive preparation containing bisoprolol (2020-07-21),

2. 10682323 - Therapeutic agent for glaucoma (2020-06-16),

3. 9950989 - Cyclic hydrocarbon compound (2018-04-24),

4. 9856250 - Substituted tropane derivatives (2018-01-02),

5. 9714213 - 4-aminomethylbenzoic acid derivative (2017-07-25),

6. 9290440 - Bicyclic compound (2016-03-22),

7. 9096531 - Fused imidazole derivative (2015-08-04),

8. 8808731 - Adhesive pharmaceutical preparation containing bisoprolol (2014-08-19),

9. 8771724 - Percutaneous absorption enhancer and transdermal preparation using the same (2014-07-08),

10. 8703178 - Percutaneous administration device of bisoprolol (2014-04-22),

11. 8546452 - [object Object] (2013-10-01),

12. 8298572 - Adhesive pharmaceutical preparation containing bisoprolol (2012-10-30),

13. 7875625 - Cyclohepta[b]pyridine-3-carbonylguanidine derivative and pharmaceutical product containing same (2011-01-25),

14. 7399781 - N-substituted benzothiophenesulfonamide derivatives (2008-07-15),

15. 7323489 - Proline ester and preparation containing the same for percutaneous administration (2008-01-29),

TOA EIYO LTD. is a leading manufacturer and supplier of electronic components for various industries. With over 30 years of experience, we specialize in producing high-quality electronic components that meet global standards. Our extensive product range includes capacitors, resistors, diodes, transistors, and much more. We are committed to providing reliable and innovative solutions to our customers, addressing their specific needs. Visit our website to learn more about our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

30 Patents

#3 in Chuo-ku Tokyo

#2,253 in Japan

#21,212 in the World

Chuo-ku Tokyo, Japan

Toa Eiyo Ltd.

Forward Citations = 252

101 inventors:

Kentaro Kogi (8 out of 9 patents)

Kunihiro Minami (5 out of 5 patents)

Hidekazu Masaki (5 out of 5 patents)

4. Kazuhiro Uemoto (5 out of 5 patents)

5. Atsuo Takahashi (5 out of 5 patents)

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