Hitachi, Japan

Seiichi Toyoda

This inventor holds 1 USPTO granted patent. Top assignees: Hitachi Kyowa Kogyo Co., Ltd., Hitachi, Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Toyoda. Retrieved from https://idiyas.com/inventor/seiichi-toyoda

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Seiichi Toyoda: Innovator in Metal Member Quality Improvement

Introduction

Seiichi Toyoda is a notable inventor from Hitachi, Japan, recognized for his contributions to the field of materials engineering. He holds a patent that addresses a significant challenge in the quality of metal structures, particularly those made from austenitic stainless steel. His innovative approach has implications for various industries that rely on high-quality metal components.

Latest Patents

Toyoda's patent, titled "Metal member quality improving method by spot welding," presents a novel technique for enhancing the integrity of metal structures. By applying spot welding along cracks in austenitic stainless steel without the use of additional welding material, he enables the connection of spot welds. This method allows for the melting and solidifying of cracks, resulting in a metal structure enriched with delta ferrite or preventing the propagation of cracks by enclosing them within the metal.

Career Highlights

Throughout his career, Seiichi Toyoda has worked with prominent companies, including Hitachi, Ltd. and Hitachi Kyowa Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in metal quality improvement and welding techniques. His work has been instrumental in advancing the understanding of metal structures and their applications.

Collaborations

Some of Toyoda's notable coworkers include Hiroshi Tsujimura and Yasumasa Tamai. Their collaboration has likely fostered an environment of innovation and shared knowledge, further enhancing the development of new technologies in the field.

Conclusion

Seiichi Toyoda's contributions to metal member quality improvement through his innovative patent demonstrate his significant impact on materials engineering. His work continues to influence the industry, paving the way for advancements in metal structure integrity.

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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