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Waseda University

USPTO Granted Patents = 158

EPO Patents = 45

Forward Citations = 443

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417 inventors (with patents filed for the assignee):

Tetsuya Osaka (18 out of 38 patents)

Hiroyuki Nishide (16 out of 40 patents)

Kenichi Oyaizu (15 out of 20 patents)

4. Hironori Kasahara (14 out of 14 patents)

5. Keiji Kimura (14 out of 25 patents)

6. Takashi Sekiguchi (10 out of 20 patents)

7. Michio Suzuka (10 out of 18 patents)

8. Fumiaki Kato (10 out of 11 patents)

9. Hiroshi Kawarada (8 out of 8 patents)

10. Takeyuki Yamaki (8 out of 42 patents)

11. Suguru Noda (7 out of 22 patents)

12. Mitsuo Umezu (7 out of 11 patents)

13. Tokihiko Yokoshima (6 out of 11 patents)

14. Kohei Tatsumi (6 out of 27 patents)

15. Kazuo Aoki (6 out of 62 patents)

Core Competencies:

Ischemic Cardiopathy Diagnosis

Diamond Field Effect Transistor

Fracture Toughness Testing

Carbon Nanotube Manufacturing

Underwater Communication

Transgenic Plant Growth

Power Semiconductor Module

Flexible Electronic Devices

Marine Organism-Derived Extracts

Self-Repairing Wiring

Laser Light Sources

Secondary Battery Technologies

158 patents: Sort by Forward Citations

1. 12458238 - Ischemic cardiopathy diagnosis assistance system (2025-11-04),

2. 12457760 - Diamond field effect transistor and method for producing same (2025-10-28),

3. 12378691 - Laminate, single crystal diamond substrate and method of producing same (2025-08-05),

4. 12345686 - Fracture toughness testing machine and fracture toughness test method (2025-07-01),

5. 12290821 - Electric pulse decomposition method, composite material, and composite material decomposition method (2025-05-06),

6. 12277254 - Hardware trojan detection method, hardware trojan detection device, and program for hardware trojan detection (2025-04-14),

7. 12269742 - Manufacturing apparatus and manufacturing method for carbon nanotube (2025-04-08),

8. 12266803 - Secondary battery negative electrode, secondary battery, and manufacturing method of secondary battery negative electrode (2025-04-01),

9. 12237555 - Waveguide, method of manufacturing waveguide and antenna (2025-02-25),

10. 12227828 - Structure for producing diamond and method for manufacturing same (2025-02-18),

11. 12153122 - Foreign-object detection system (2024-11-26),

12. 12051807 - Electrode material (2024-07-30),

13. 12021569 - Underwater communication device and underwater communication method (2024-06-25),

14. 11935668 - Conductive material, and conductive film and solar cell using same (2024-03-19),

15. 11881677 - Laser light source (2024-01-23),

WASEDA UNIVERSITY is a leading private research university in Tokyo, Japan. With over 130 years of history, it offers a wide range of academic programs in various fields including humanities, social sciences, natural sciences, engineering, and more. Known for its commitment to academic excellence and innovation, Waseda University consistently ranks among the top universities in Japan and the world.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

158 Patents

#363 in Tokyo

#804 in Japan

#5,074 in the World

Waseda University

Forward Citations = 443

417 inventors:

Tetsuya Osaka (18 out of 38 patents)

Hiroyuki Nishide (16 out of 40 patents)

Kenichi Oyaizu (15 out of 20 patents)

4. Hironori Kasahara (14 out of 14 patents)

5. Keiji Kimura (14 out of 25 patents)

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