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Hokkaido, Japan

Hokkaido University

USPTO Granted Patents = 418

CIPO Patents = 9

EPO Patents = 178

Forward Citations = 1,128

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921 inventors (with patents filed for the assignee):

Kunimasa Saitoh (26 out of 28 patents)

Katsuhiro Takenaga (18 out of 55 patents)

Koichi Mukasa (15 out of 31 patents)

4. Kazuhisa Sueoka (15 out of 19 patents)

5. Hideyoshi Harashima (14 out of 20 patents)

6. Takao Masuda (13 out of 34 patents)

7. Yusuke Sasaki (12 out of 13 patents)

8. Kikuo Umegaki (12 out of 45 patents)

9. Jian Ping Gong (10 out of 11 patents)

10. Naoki Miyamoto (10 out of 47 patents)

11. Satoshi Ogasawara (9 out of 10 patents)

12. Sadahiro Kato (9 out of 34 patents)

13. Masayuki Fukushima (9 out of 23 patents)

14. Yuichiro Banba (9 out of 22 patents)

15. Kaori Sekine (9 out of 22 patents)

Core Competencies:

Proton Conductive Material

Photon Detection Device

Quantum Key Distribution

Intervertebral Disc Treatment

Lipid Nanoparticle

Rare-Earth Complex

Radiotherapy Device

Particle Therapy System

Functional Structure

Arenavirus Growth Inhibitor

Nuclear Reaction Detection

Spectroscopic Measuring Instrument

418 patents: Sort by Forward Citations

1. 12491208 - Combination and method for treating subject using alginate (2025-12-09),

2. 12489614 - Photon detection device, reception device, quantum key distribution system, and method for detecting quantum signal (2025-12-02),

3. 12486399 - Proton conductive material (2025-12-02),

4. 12478637 - Method for suppressing intervertebral disc pain (2025-11-25),

5. 12478636 - Composition for treating intervertebral disc (2025-11-25),

6. 12474191 - Ultrasonic physical properties measurement device (2025-11-18),

7. 12458605 - Lipid nanoparticle (2025-11-04),

8. 12441662 - Sintered body, method for producing same, and dielectric composition (2025-10-14),

9. 12411120 - Food animal freshness/degree of maturation evaluating device, and freshness/degree of maturation evaluating method (2025-09-09),

10. 12383755 - Light irradiation device (2025-08-12),

11. 12365921 - Lipid nanoparticle (2025-07-22),

12. 12357992 - Particle discrimination mechanism (2025-07-15),

13. 12349886 - Retractor (2025-07-08),

14. 12345720 - Method for aiding detection of nonalcoholic steatohepatitis (2025-07-01),

15. 12329793 - Modified adenovirus and medicine comprising same (2025-06-17),

Hokkaido University is a leading comprehensive university located in Sapporo, Japan. With a history dating back to 1876, it is one of the oldest and most respected universities in Japan. Hokkaido University is dedicated to providing high-quality education and conducting groundbreaking research across various fields. The university offers a wide range of academic programs, including natural sciences, humanities, social sciences, engineering, and health sciences. With a strong emphasis on international collaboration and exchange, Hokkaido University aims to contribute to the betterment of society and the advancement of knowledge worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

418 Patents

#1 in Hokkaido

#416 in Japan

#2,192 in the World

Hokkaido, Japan

Hokkaido University

Forward Citations = 1,128

921 inventors:

Kunimasa Saitoh (26 out of 28 patents)

Katsuhiro Takenaga (18 out of 55 patents)

Koichi Mukasa (15 out of 31 patents)

4. Kazuhisa Sueoka (15 out of 19 patents)

5. Hideyoshi Harashima (14 out of 20 patents)

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