For the Inventor, By the Inventor

Enter assignee name

Top Co., Ltd.

USPTO Granted Patents = 20

% Expired Patents = 10.0

EPO Patents = 2

Trademarks = 1

Forward Citations = 24

Loading Chart...

Loading Chart...

27 inventors (with patents filed for the assignee):

Gregory James Alexander Andrigo (7 out of 9 patents)

Hiroyuki Miyoshi (5 out of 5 patents)

Kenji Sasaki (4 out of 7 patents)

4. Sayaka Ueno (3 out of 10 patents)

5. Yoshihiro Kodera (3 out of 3 patents)

6. Yoshiteru Kurokawa (2 out of 9 patents)

7. Nobuji Houzumi (2 out of 8 patents)

8. Hiroaki Asakura (2 out of 2 patents)

9. Tadashi Uno (2 out of 2 patents)

10. Takayuki Kawaguchi (1 out of 43 patents)

11. Suguru Sakamoto (1 out of 8 patents)

12. Junya Okabe (1 out of 1 patent)

13. Tomomi Hayase (1 out of 4 patents)

14. Akihiro Kawabata (1 out of 1 patent)

15. Alfredo Sanchez (1 out of 7 patents)

20 patents: Sort by Forward Citations

1. 11973388 - Rotating electric machine, insulator, and assembly method therefor (2024-04-30),

2. 11955858 - Rotary machine and insulator (2024-04-09),

3. 11611269 - Rotor and rotor manufacturing method (2023-03-21),

4. 11258330 - Rotating electrical device (2022-02-22),

5. 10892659 - Stator unit, rotary electric machine including stator unit, and method of manufacturing stator unit (2021-01-12),

6. 10855132 - Bus bar unit, rotary electric machine having the same, and manufacturing method of bus bar unit (2020-12-01),

7. 10840656 - Bus bar unit and rotary electric machine having the same (2020-11-17),

8. 10718180 - Wellbore sealing systems and methods (2020-07-21),

9. 10533382 - Deployable bow spring centralizer (2020-01-14),

10. 10443323 - Easy-start centralizer with asymmetrical bow springs (2019-10-15),

11. 10411569 - Rotor and rotor manufacturing method (2019-09-10),

12. 10378293 - Asymmetric casing centralizer (2019-08-13),

13. 10218243 - Motor structure for electrolytic corrosion protection of bearing (2019-02-26),

14. 10214973 - Deployable bow spring centralizer (2019-02-26),

15. 10186916 - Rotary machine and electric vehicle (2019-01-22),

Top Co., Ltd. is a prominent Japanese company based in Fukui, specializing in the development and manufacturing of advanced materials and components. The organization focuses on innovative solutions across various sectors, including electronics, automotive, and industrial applications. With a commitment to research and development, Top Co. leverages cutting-edge technologies to enhance product performance and sustainability. Its strategic location in Japan positions the company to effectively serve both domestic and international markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

20 Patents

#9 in Fukui

#2,941 in Japan

#31,196 in the World

Top Co., Ltd.

Forward Citations = 24

27 inventors:

Gregory James Alexander Andrigo (7 out of 9 patents)

Hiroyuki Miyoshi (5 out of 5 patents)

Kenji Sasaki (4 out of 7 patents)

4. Sayaka Ueno (3 out of 10 patents)

5. Yoshihiro Kodera (3 out of 3 patents)

Please report any incorrect information to [email protected]

Loading…