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Showa University

USPTO Granted Patents = 16

% Expired Patents = 18.8

EPO Patents = 10

Forward Citations = 114

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61 inventors (with patents filed for the assignee):

Yoshifumi Yoshida (2 out of 54 patents)

Akira Sakai (2 out of 157 patents)

Kotaro Maki (2 out of 5 patents)

4. Akihiko Sekizawa (2 out of 2 patents)

5. Ryu Matsuoka (2 out of 2 patents)

6. Ryuji Hamamoto (2 out of 3 patents)

7. Masaaki Komatsu (2 out of 14 patents)

8. Matsuo Yamamoto (2 out of 2 patents)

9. Takashi Takiguchi (2 out of 4 patents)

10. Masanori Sato (2 out of 3 patents)

11. Katsuyuki Inagaki (2 out of 3 patents)

12. Hideo Kozaka (2 out of 2 patents)

13. Toshiaki Miyamoto (2 out of 7 patents)

14. Kazuo Honda (2 out of 4 patents)

15. Terumasa Hashimoto (2 out of 4 patents)

16 patents: Sort by Forward Citations

1. 12546687 - Immunostaining method, sample exchange chamber, and charged particle beam apparatus (2026-02-10),

2. 12138244 - Drug and method of treating or preventing renal disease using drug (2024-11-12),

3. 11918322 - Intraoral sensing apparatus and manufacturing method thereof (2024-03-05),

4. 11690494 - Endoscope observation assistance apparatus and endoscope observation assistance method (2023-07-04),

5. 11440920 - Chemical method of producing SMTP groups or SMTP-7 and intermediates used in the method (2022-09-13),

6. 11365194 - Analgesic drug using PAC1 receptor antagonistic drug (2022-06-21),

7. 11317864 - Biometric information detection device and method of producing the same, biometric information detection module and method of producing the same (2022-05-03),

8. 11291431 - Examination assisting method, examination assisting apparatus, and computer-readable recording medium (2022-04-05),

9. 11074681 - Anomalousness determination method, anomalousness determination apparatus, and computer-readable recording medium (2021-07-27),

10. 9700394 - Dental ultrasonic cleaning device and method for cleaning teeth or dentures by using ultrasonic waves (2017-07-11),

11. 9579174 - Flow-type ultrasonic oral cavity washing device (2017-02-28),

12. 9257055 - Small intestine endoscope training simulator (2016-02-09),

13. 9078880 - Cytoprotective agent (2015-07-14),

14. 8038684 - Intraocular device for retaining a lens capsule (2011-10-18),

15. 7951075 - Inspection method with endoscope (2011-05-31),

Company Overview

Showa University, located in Tokyo, Japan, is a prominent institution dedicated to advancing education and research in the fields of medicine and health sciences. The university specializes in various domains, including medical education, clinical research, and healthcare innovation. With a commitment to fostering a comprehensive understanding of health-related issues, Showa University plays a vital role in shaping future healthcare professionals and contributing to the advancement of medical knowledge and practices in Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#1,500 in Tokyo

#3,343 in Japan

#37,868 in the World

Showa University

Forward Citations = 114

61 inventors:

Yoshifumi Yoshida (2 out of 54 patents)

Akira Sakai (2 out of 157 patents)

Kotaro Maki (2 out of 5 patents)

4. Akihiko Sekizawa (2 out of 2 patents)

5. Ryu Matsuoka (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Showa University. Retrieved from https://idiyas.com/company/showa-university

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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