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For the Inventor, By the Inventor

Suita, Japan

Hidetoshi Fujii

This inventor holds 27 USPTO granted patents and 12 published patent applications and 6 EPO patents, primarily in Solid-State Welding. Top assignees: Osaka University, Osaka Municipal Technical Research Institute, Sumitomo Electric Industries, Limited. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetoshi Fujii. Retrieved from https://idiyas.com/inventor/hidetoshi-fujii-ojf8xkb7

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

USPTO Granted Patents = 27 

% Patents Active = 81.5

 

Average Co-Inventor Count = 3.7

ph-index = 2

Forward Citations = 23(Granted Patents)


Location History:

  • Ibaraki Osaka, JP (2021)
  • Osaka, JP (2012 - 2023)
  • Suita, JP (2011 - 2024)

Company Filing History:

goldMedal26 out of 1,044 
 
Osaka University
 patents
silverMedal4 out of 12 
 
Osaka Municipal Technical Research Institute
 patents
bronzeMedal3 out of 10,647 
 
Sumitomo Electric Industries, Limited
 patents
4. 3 out of 266 
 
Toshiba Materials Co., Ltd.
 patents
5. 2 out of 5 
 
Ntk Cutting Tools Co., Ltd.
 patents
6. 1 out of 30 
 
Furuya Metal Co., Ltd.
 patents
7. 1 out of 1 
 
Kimura Chuosho Co., Ltd.
 patent
8. 1 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
9. 1 out of 3 
 
The University of Osaka
 patents
10. 1 out of 3 
 
Tokyu Car Corporation
 patents
where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:
Solid-State Joining
Friction Stir Welding
Dissimilar Material Bonding
Linear Friction Joining
Weathering Steel
Low-Temperature Joining
Metal Material Bonding
Friction Pressure Welding
Rotary Tool
Transformable Surface Hardening
Metal Working Process
Joint Structure
27 patents (USPTO):Explore Patents
1. 12766631 - Friction stir welding method (2026-10-20),
2. 12746616 - Solid-state joining method, solid-state joined joint, solid-state joined structure, and solid-state joining device (2026-09-29),
3. 12734603 - Dissimilar material solid phase bonding method, and dissimilar material solid phase bonded structure (2026-09-15),
4. 12728477 - Linear friction-joining method and linear friction-joining structure (2026-09-08),
5. 12611725 - Dissimilar material solid-phase bonding method and dissimilar material solid-phase bonded structure (2026-04-28),
6. 12311461 - Friction stir welding tool and friction stir welding method (2025-05-27),
7. 12240052 - Friction pressure welding method (2025-03-04),
8. 12234535 - Weathering steel for solid-state welding, weathering steel material for solid-state welding, solid-state welded structure and solid-state welding method (2025-02-25),
9. 12162088 - Rotating tool for and method of friction stir welding (2024-12-10),
10. 11986901 - Friction stir welding tool and friction stir welding method (2024-05-21),
11. 11964338 - Method for low-temperature joining of metal materials, and joint structure (2024-04-23),
12. 11872651 - Dissimilar material solid phase bonding method, dissimilar material solid phase bonded structure, and dissimilar material solid phase bonding device (2024-01-16),
13. 11813693 - Friction stir welding tool member, and friction stir welding method using the same (2023-11-14),
14. 11745287 - Metal material solid-phase bonding method and solid-phase bonding device (2023-09-05),
15. 11534854 - Friction stir welding tool and friction stir welding method (2022-12-27),

Title: The Innovative Journey of Hidetoshi Fujii

Introduction: Hidetoshi Fujii, a pioneering inventor hailing from Suita, Japan, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Hidetoshi Fujii's latest patents showcase his commitment to pushing the boundaries of technological advancement in various fields, including robotics, artificial intelligence, and renewable energy.

Career Highlights: With a career spanning over two decades, Hidetoshi Fujii has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only earned him recognition within the industry but has also improved the lives of many around the globe.

Collaborations: Throughout his career, Hidetoshi Fujii has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: In conclusion, Hidetoshi Fujii's relentless pursuit of innovation and his passion for creating solutions to complex problems have solidified his position as a respected inventor in the global tech community. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in all their endeavors.

Profile summary based on public USPTO records.
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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