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Fujita Corporation

USPTO Granted Patents = 15

Trademarks = 1

Forward Citations = 121

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40 inventors (with patents filed for the assignee):

Nobuaki Hashimoto (2 out of 7 patents)

Yoshinori Kumita (2 out of 2 patents)

Toshihito Kondo (2 out of 6 patents)

4. Vikram Joshi (2 out of 32 patents)

5. Carlos Alberto Paz De Araujo (2 out of 190 patents)

6. Kenichi Kimura (2 out of 2 patents)

7. Hiroshi Kiyokawa (2 out of 2 patents)

8. Teruo Matsui (2 out of 2 patents)

9. Kazumasa Onishi (2 out of 2 patents)

10. Ryoichi Isoyama (2 out of 2 patents)

11. Yasuyoshi Tsuchida (2 out of 2 patents)

12. Shinichiro Sato (2 out of 2 patents)

13. Ryoichi Suzuki (1 out of 131 patents)

14. Yasufumi Takahashi (1 out of 49 patents)

15. Hiroyuki Sakamoto (1 out of 76 patents)

15 patents: Sort by Forward Citations

1. 12726032 - Power control system (2026-09-01),

2. 11849792 - Head-mounted device, heat stroke prevention system, and rehydration warning system (2023-12-26),

3. 11122849 - Head-mounted device, heatstroke prevention system, and rehydration alarm system (2021-09-21),

4. 6037046 - Multi-component electromagnetic wave absorption panels (2000-03-14),

5. 5853889 - Materials for electromagnetic wave absorption panels (1998-12-29),

6. 5690184 - Rock drilling apparatus (1997-11-25),

7. 5655385 - Method of supplying cooling air and cooling system (1997-08-12),

8. 5643795 - Apparatus for purifying contaminated air (1997-07-01),

9. 5599713 - Apparatus for purifying contaminated air (1997-02-04),

10. 5244708 - Electromagnetic wave shielding interior material (1993-09-14),

11. 5222839 - Method and apparatus for underwater reclamation (1993-06-29),

12. 5133806 - Softy mud solidifying agent (1992-07-28),

13. 5098009 - Method for joining joint portions of electromagnetic wave shielding (1992-03-24),

14. 5076586 - 3-course miniature golf links (1991-12-31),

15. 4985149 - Anaerobic digestion method (1991-01-15),

Company Overview

Fujita Corporation, headquartered in Tokyo, specializes in construction and civil engineering, focusing on innovative building solutions and infrastructure development. The company is recognized for its expertise in project management, design, and execution of large-scale construction projects, contributing significantly to urban development and sustainability initiatives. With a commitment to quality and safety, Fujita integrates advanced technologies and methodologies to enhance efficiency and environmental responsibility in its operations across Japan and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#1,540 in Tokyo

#3,443 in Japan

#39,921 in the World

Fujita Corporation

Forward Citations = 121

40 inventors:

Nobuaki Hashimoto (2 out of 7 patents)

Yoshinori Kumita (2 out of 2 patents)

Toshihito Kondo (2 out of 6 patents)

4. Vikram Joshi (2 out of 32 patents)

5. Carlos Alberto Paz De Araujo (2 out of 190 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujita Corporation. Retrieved from https://idiyas.com/company/fujita

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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