Toyota, Japan

Hitoshi Sakuma

This inventor holds 6 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Nippon Steel Corporation, Aisin Keikinzoku Co., Ltd.. Active years: 1992-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Sakuma. Retrieved from https://idiyas.com/inventor/hitoshi-sakuma-sl4byi90

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


% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 29(Granted Patents)


Location History:

  • Aichi, JP (2020)
  • Toyota, JP (1992 - 2022)

Company Filing History:


Years Active: 1992-2022

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6 patents (USPTO):Explore Patents

Title: Hitoshi Sakuma: Innovator in Material Engineering

Introduction

Hitoshi Sakuma is a prominent inventor based in Toyota, Japan. He has made significant contributions to the field of material engineering, particularly in the development of advanced cast iron and automotive components. With a total of six patents to his name, Sakuma's work has had a lasting impact on the industry.

Latest Patents

Sakuma's latest patents include innovations in spheroidal graphite cast iron and control arm design. The spheroidal graphite cast iron patent focuses on a material that exhibits excellent impact strength at low temperatures. This innovation includes specific compositions of carbon, silicon, manganese, copper, magnesium, chromium, and iron, ensuring optimal performance. The control arm patent describes a unique design featuring a pair of mounting portions and a main body that connects them, enhancing structural integrity and performance in automotive applications.

Career Highlights

Throughout his career, Hitoshi Sakuma has worked with notable companies such as Toyota Motor Corporation and Nippon Steel Corporation. His experience in these leading organizations has allowed him to refine his expertise in material science and engineering, contributing to the development of innovative products.

Collaborations

Sakuma has collaborated with talented individuals in his field, including Kazunobu Nuno and Kazunari Azuchi. These partnerships have fostered a creative environment that has led to the successful development of his patented technologies.

Conclusion

Hitoshi Sakuma's contributions to material engineering and automotive design exemplify the spirit of innovation. His patents reflect a commitment to advancing technology and improving product performance. His work continues to influence the industry and inspire future inventors.

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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