For the Inventor, By the Inventor

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The University of Tokyo

USPTO Granted Patents = 1,281

CIPO Patents = 37

EPO Patents = 519

Trademarks = 1

Forward Citations = 5,266

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2,733 inventors (with patents filed for the assignee):

Toshiaki Hisada (35 out of 39 patents)

Seiryo Sugiura (35 out of 39 patents)

Takumi Washio (35 out of 41 patents)

4. Kenya Honda (33 out of 40 patents)

5. Jun-ichi Okada (32 out of 36 patents)

6. Junichi Takeya (32 out of 45 patents)

7. Kazunori Kataoka (31 out of 77 patents)

8. Takeshi Tanoue (31 out of 34 patents)

9. Tetsuo Nagano (30 out of 52 patents)

10. Yasuhiko Arakawa (30 out of 32 patents)

11. Koji Atarashi (29 out of 36 patents)

12. Yasuteru Urano (29 out of 35 patents)

13. Hiroaki Suga (27 out of 27 patents)

14. Shin-ichi Ohkoshi (26 out of 27 patents)

15. Toshihiro Okamoto (23 out of 33 patents)

Core Competencies:

Health Support Apparatus

Photon Detection Device

Rocket Engine

Semiconductor Device

Medical Image Processing

Ultrasonic Wave Generation

Wireless Power Reception

Optical Modulator

Machine Learning Method

Flow Cytometer

Aqueous Electrolyte Solution

Optical Sensor

1,281 patents: Sort by Forward Citations

1. 12489614 - Photon detection device, reception device, quantum key distribution system, and method for detecting quantum signal (2025-12-02),

2. 12489184 - DC block and plasma generator using the same (2025-12-02),

3. 12488902 - Health support apparatus, health support method, and program (2025-12-02),

4. 12483670 - Information processing device, program, and pattern code (2025-11-25),

5. 12477763 - Semiconductor device (2025-11-18),

6. 12473875 - Rocket engine (2025-11-18),

7. 12469221 - Medical image processing device, medical image processing method, medical image processing program, and surgical support system (2025-11-11),

8. 12469129 - Prediction device, prediction system, control method, and control program (2025-11-11),

9. 12461092 - Screening method for APP cleavage activity-controlling substances of ADAMTS4 (2025-11-04),

10. 12459818 - Method for manipulating flake-like material and method for producing article containing flake-like material (2025-11-04),

11. 12453532 - Ultrasonic wave generation device (2025-10-28),

12. 12452664 - Indoor position authentication method, indoor position authentication system, and indoor position authentication apparatus (2025-10-21),

13. 12430334 - Database management apparatus and method (2025-09-30),

14. 12428310 - Iron-based oxide magnetic powder and method for producing same (2025-09-30),

15. 12427581 - Coated tool (2025-09-30),

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

1,281 Patents

#80 in Tokyo

#168 in Japan

#754 in the World

The University of Tokyo

Forward Citations = 5,266

2,733 inventors:

Toshiaki Hisada (35 out of 39 patents)

Seiryo Sugiura (35 out of 39 patents)

Takumi Washio (35 out of 41 patents)

4. Kenya Honda (33 out of 40 patents)

5. Jun-ichi Okada (32 out of 36 patents)

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