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Fuji Seiko Limited

USPTO Granted Patents = 17

% Expired Patents = 17.6

Forward Citations = 204

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51 inventors (with patents filed for the assignee):

Kiyotaka Shiga (6 out of 7 patents)

Akio Fukui (6 out of 13 patents)

Katutoshi Haga (5 out of 6 patents)

4. Mitsuhiko Tomioka (4 out of 4 patents)

5. Hajime Mizutani (3 out of 3 patents)

6. Shinobu Kaneko (3 out of 7 patents)

7. Kunio Kondo (3 out of 4 patents)

8. Yasuhiro Suzuki (2 out of 60 patents)

9. Yoshihiro Takasu (2 out of 2 patents)

10. Eiji Goto (2 out of 2 patents)

11. Yoshikazu Satow (2 out of 2 patents)

12. Katsumi Isogai (2 out of 3 patents)

13. Kazuhiro Shibata (2 out of 2 patents)

14. Tuguo Yoshikawa (2 out of 2 patents)

15. Tsunehisa Yamashita (2 out of 2 patents)

17 patents: Sort by Forward Citations

1. 8591389 - Tool transfer system (2013-11-26),

2. 8250720 - Roller burnishing apparatus with pressing-force detecting device (2012-08-28),

3. 7056072 - Method and apparatus for controlling movement of cutting blade and workpiece (2006-06-06),

4. 6758640 - Method and apparatus for controlling movement of cutting blade and workpiece (2004-07-06),

5. 6206617 - Reamer with guide surface and method of finishing hole by using the same (2001-03-27),

6. 5909985 - Drill having plate-like cutter member fixed at proximal end to shank and (1999-06-08),

7. 5312208 - Burnishing drill (1994-05-17),

8. 5282705 - Burnishing drill (1994-02-01),

9. 5243884 - Tool holder device having screw-operated means for connection and (1993-09-14),

10. 5112167 - High speed burnishing drill (1992-05-12),

11. 5071294 - Burnishing drill (1991-12-10),

12. 5030042 - Machining apparatus having means for changing radial position of cutting (1991-07-09),

13. 4944640 - Vertical feed type burnishing drill (1990-07-31),

14. 4643623 - Holder for rotary cutting tools (1987-02-17),

15. 4642005 - Holder for rotary cutting tools (1987-02-10),

Company Overview

Fuji Seiko Limited, headquartered in Toyota, Japan, specializes in precision engineering and manufacturing solutions. The company is known for its expertise in developing advanced components and systems for various industries, including automotive and electronics. With a strong focus on innovation, Fuji Seiko integrates cutting-edge technology into its products, enhancing performance and reliability. The organization is committed to quality and sustainability, positioning itself as a key player in the global market for precision manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

17 Patents

#14 in Toyota

#3,230 in Japan

#35,948 in the World

Fuji Seiko Limited

Forward Citations = 204

51 inventors:

Kiyotaka Shiga (6 out of 7 patents)

Akio Fukui (6 out of 13 patents)

Katutoshi Haga (5 out of 6 patents)

4. Mitsuhiko Tomioka (4 out of 4 patents)

5. Hajime Mizutani (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fuji Seiko Limited. Retrieved from https://idiyas.com/company/fuji-seiko

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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