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Oita University

USPTO Granted Patents = 18

EPO Patents = 2

Forward Citations = 15

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60 inventors (with patents filed for the assignee):

Kimihiro Nishijima (4 out of 6 patents)

Akira Nakasuga (3 out of 34 patents)

Masahiro Toyoda (3 out of 10 patents)

4. Katsutoshi Nagaoka (3 out of 6 patents)

5. Yoshitaka Misaka (2 out of 10 patents)

6. Kazuhiro Kawasaki (2 out of 19 patents)

7. Yuji Gotoh (2 out of 2 patents)

8. Katsutoshi Sato (2 out of 5 patents)

9. Shoji Nozato (1 out of 22 patents)

10. Eisuke Takahashi (1 out of 35 patents)

11. Taichi Nakazawa (1 out of 19 patents)

12. Hiroji Fukui (1 out of 26 patents)

13. Hiromu Shiota (1 out of 8 patents)

14. Eiji Shimomura (1 out of 3 patents)

15. Yoichi Oi (1 out of 30 patents)

18 patents: Sort by Forward Citations

1. 12221349 - Exfoliated graphite and manufacturing method therefor (2025-02-11),

2. 12208374 - Catalyst composition and carbon material having nitrogen-containing group (2025-01-28),

3. 11907849 - Information processing system, endoscope system, information storage medium, and information processing method (2024-02-20),

4. 10658126 - Capacitor electrode material, method for producing same, and electric double layer capacitor (2020-05-19),

5. 10508709 - Vibration damping device and method for designing the same (2019-12-17),

6. 10458775 - Hardened layer depth measuring apparatus (2019-10-29),

7. 10284075 - Overvoltage protection circuit for protecting overvoltage corresponding to wide range of input voltage (2019-05-07),

8. 10192669 - Vector magnetic characteristic controlled material and iron core (2019-01-29),

9. 9962683 - Alloy microparticles and method for producing same, alloy microparticle cluster, catalyst, and method for producing same (2018-05-08),

10. 9960678 - Power converter with resonant circuit (2018-05-01),

11. 9919926 - Method for producing random-structure GIC, method for producing exfoliated graphite dispersion liquid, exfoliated graphite dispersion liquid, and exfoliated graphite (2018-03-20),

12. 9673465 - Catalyst, method for producing catalyst, and method for producing hydrogen-containing gas using catalyst, and hydrogen generating device, fuel cell system, and silicon-supported CeZr-based oxide (2017-06-06),

13. 9304108 - Quenching depth measurement method and quenching depth measurement apparatus (2016-04-05),

14. 9294076 - Switching power supply device and pulse width modulation circuit used therein (2016-03-22),

15. 9139489 - Method of manufacturing olefin having 2 to 4 carbon atoms by Fischer-Tropsch reaction (2015-09-22),

Oita University is a public university located in Oita, Japan. It offers a wide range of undergraduate and graduate programs in various fields including humanities, sciences, engineering, and health sciences. The university is dedicated to providing quality education and research opportunities to students and contributing to the local community through academic initiatives.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

18 Patents

#1 in Oita

#3,052 in Japan

#33,147 in the World

Oita University

Forward Citations = 15

60 inventors:

Kimihiro Nishijima (4 out of 6 patents)

Akira Nakasuga (3 out of 34 patents)

Masahiro Toyoda (3 out of 10 patents)

4. Katsutoshi Nagaoka (3 out of 6 patents)

5. Yoshitaka Misaka (2 out of 10 patents)

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