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Meijo University

USPTO Granted Patents = 48

% Expired Patents = 18.8

EPO Patents = 14

Forward Citations = 54

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107 inventors (with patents filed for the assignee):

Motoaki Iwaya (13 out of 19 patents)

Isamu Akasaki (13 out of 45 patents)

Tetsuya Takeuchi (12 out of 41 patents)

4. Satoshi Kamiyama (10 out of 18 patents)

5. Shinji Funatsu (6 out of 10 patents)

6. Keisuke Shima (6 out of 10 patents)

7. Hiroto Tamura (6 out of 11 patents)

8. Teruyo Kato (6 out of 10 patents)

9. Naomi Yamamoto (6 out of 14 patents)

10. Hiroshi Amano (5 out of 40 patents)

11. Jun Sato (3 out of 30 patents)

12. Ryuji Funayama (3 out of 36 patents)

13. Yusuke Hara (3 out of 21 patents)

14. Toyonobu Yamashita (3 out of 4 patents)

15. Souichi Saeki (3 out of 6 patents)

Core Competencies:

Carbon Nanotube

Semiconductor Device

Microorganism Identification

Light-Emitting Element

Nitride Semiconductor

Surface Charge Distribution

Production Method

Hollow Cathode

Appearance Inspection

Catalytic Metal Layer

Sound Source Detection

Graphene Material

48 patents: Sort by Forward Citations

1. 12486173 - Production method for thin film of aligned carbon nanotube (2025-12-02),

2. 12439735 - Semiconductor device and method for producing semiconductor device (2025-10-07),

3. 12416641 - Microorganism identification method (2025-09-16),

4. 12415729 - Carbon nanotube separation method and separation apparatus (2025-09-16),

5. 12178605 - Device, method, and program for visualizing network of blood vessels of skin (2024-12-31),

6. 12092645 - Method for discriminating a microorganism (2024-09-17),

7. 12029578 - Skin diagnosing device, skin condition outputting method, program, and recording medium (2024-07-09),

8. 11916164 - Method for manufacturing light-emitting element and method for removing hydrogen from light-emitting element (2024-02-27),

9. 11747344 - Microorganism identification method (2023-09-05),

10. 11622688 - Device, method, and program for visualizing network of blood vessels of skin (2023-04-11),

11. 11576713 - Medical treatment tool (2023-02-14),

12. 11561228 - Method for discriminating a microorganism (2023-01-24),

13. 11462659 - Semiconductor light emitting device and manufacturing method of semiconductor light emitting device (2022-10-04),

14. 11211529 - Semiconductor light-emitting element and method for manufacturing same (2021-12-28),

15. 11211526 - Semiconductor light-emitting element (2021-12-28),

Company Overview

Meijo University, located in Nagoya, Japan, is a prominent institution focused on advanced research and education in various technology domains. The university specializes in innovative fields such as carbon nanotubes, semiconductor devices, and microorganism identification. Its research initiatives extend to light-emitting elements, blood vessel visualization, nitride semiconductors, surface charge distribution, and sound source detection, contributing significantly to both academic knowledge and practical applications in technology and healthcare.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

48 Patents

#30 in Nagoya

#1,757 in Japan

#14,561 in the World

Meijo University

Forward Citations = 54

107 inventors:

Motoaki Iwaya (13 out of 19 patents)

Isamu Akasaki (13 out of 45 patents)

Tetsuya Takeuchi (12 out of 41 patents)

4. Satoshi Kamiyama (10 out of 18 patents)

5. Shinji Funatsu (6 out of 10 patents)

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