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Fujikoshi Machinery Corp.

USPTO Granted Patents = 70

EPO Patents = 9

Forward Citations = 285

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86 inventors (with patents filed for the assignee):

Yoshio Nakamura (22 out of 31 patents)

Kazutaka Shibuya (9 out of 9 patents)

Hiromi Kishida (9 out of 9 patents)

4. Tadakazu Miyashita (9 out of 9 patents)

5. Koichiro Ichikawa (8 out of 10 patents)

6. Takumi Kobayashi (7 out of 10 patents)

7. Norihiko Moriya (7 out of 8 patents)

8. Fumihiko Hasegawa (7 out of 27 patents)

9. Keigo Hoshikawa (6 out of 10 patents)

10. Tsuyoshi Hasegawa (6 out of 37 patents)

11. Makoto Nakajima (6 out of 9 patents)

12. Yasuo Inada (6 out of 11 patents)

13. Kouji Morita (5 out of 7 patents)

14. Satoru Arakawa (5 out of 6 patents)

15. Yoshio Otsuka (5 out of 6 patents)

Core Competencies:

Wafer Polishing

Gallium Oxide Crystal

Metal Oxide Single Crystal

Double-Sided Polishing

Polishing Apparatus

Work Processing

Non-Contact Measurement

Chemical Polishing

Mechanical Polishing

Dressing Method

Abrasive Machine

Heat Exchanger

70 patents: Sort by Forward Citations

1. 12258674 - Production apparatus for metal oxide single crystal and production method for metal oxide single crystal (2025-03-25),

2. 12257641 - Work processing apparatus (2025-03-25),

3. 12209853 - Non-contact apparatus for measuring wafer thickness (2025-01-28),

4. 11883924 - Double-sided polishing apparatus (2024-01-30),

5. 11795568 - Production apparatus for gallium oxide crystal capable of preventing harmful substances formed in furnace from being diffused to surroundings of furnace (2023-10-24),

6. 11674239 - Gallium oxide crystal manufacturing device (2023-06-13),

7. 11674238 - Crucible for growing metal oxide single crystal (2023-06-13),

8. 10850365 - Polishing apparatus with a waste liquid receiver (2020-12-01),

9. 10668593 - Work polishing head (2020-06-02),

10. 10636685 - Nozzle and work polishing apparatus (2020-04-28),

11. 10632590 - Work processing apparatus and liquid chemical bag for the same (2020-04-28),

12. 10570528 - Apparatus and method for producing gallium oxide crystal (2020-02-25),

13. 10532442 - Polishing apparatus and wafer polishing method (2020-01-14),

14. 10471565 - Polishing apparatus for a work with mechanical polishing function and chemical polishing function (2019-11-12),

15. 10464186 - Method of polishing work and method of dressing polishing pad (2019-11-05),

Fujikoshi Machinery Corp. is a Japanese company that specializes in the manufacture and sale of machinery and machine tools. With a history spanning over a century, Fujikoshi has established itself as a leader in the industry, offering innovative and reliable products. Their extensive product lineup includes bearings, machine tools, sensors, hydraulic equipment, and more. Fujikoshi is committed to providing high-quality solutions that meet the evolving needs of their customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

70 Patents

#17 in Nagano

#1,372 in Japan

#10,199 in the World

Fujikoshi Machinery Corp.

Forward Citations = 285

86 inventors:

Yoshio Nakamura (22 out of 31 patents)

Kazutaka Shibuya (9 out of 9 patents)

Hiromi Kishida (9 out of 9 patents)

4. Tadakazu Miyashita (9 out of 9 patents)

5. Koichiro Ichikawa (8 out of 10 patents)

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