Yokohama, Japan

Toshihiko Shiraishi

This inventor holds 3 USPTO granted patents. Top assignees: Yokohama National University, Hitachi, Ltd., Takei Scientific Instruments Co., Ltd.. Active years: 2015-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Shiraishi. Retrieved from https://idiyas.com/inventor/toshihiko-shiraishi

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

Calculating rank

% Patents Active = 33.3

Average Co-Inventor Count = 8.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2015-2019

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3 patents (USPTO):Explore Patents

Title: Innovator Toshihiko Shiraishi: Pioneering Advancements in Magneto-rheological Technologies

Introduction

Toshihiko Shiraishi, a prominent inventor based in Yokohama, Japan, has made significant contributions to the field of engineering through his innovative work. With a total of three patents to his name, Shiraishi's research primarily focuses on magneto-rheological materials, showcasing his expertise in applied sciences and mechanical engineering.

Latest Patents

Shiraishi's recent patents exemplify his inventive spirit and technical acumen. One of his notable inventions is a **Magneto-rheological grease composition**, which features a unique formula comprising a base oil that includes at least 30% by mass of an ether-type synthetic oil, an aliphatic diurea thickener, and magnetic particles making up 45 to 95% by mass of the total composition. This innovative grease displays superior thermal and dispersion stability along with remarkable magneto-rheological properties.

Another significant patent is the **Training System**, which encompasses a training machine that utilizes a Magneto-rheological fluid (MR-fluid) to generate load resistance for trainees. The system includes mechanical arrangements, a displacement detection sensor, a power-assisting motor, and a storage unit for MR-fluid load characteristics. This invention illustrates Shiraishi's ability to merge advanced material science with practical applications in fitness and rehabilitation.

Career Highlights

Shiraishi has crafted an impressive career, working with esteemed organizations such as Yokohama National University and Hitachi, Ltd. His tenure at these institutions has allowed him to collaborate on pioneering research, further enhancing his ability to innovate in the field of engineering and technology.

Collaborations

Throughout his career, Shiraishi has worked alongside talented coworkers, including Shin Morishita and Hiroshi Ishii. These collaborations have enriched his research and development efforts, allowing for a cross-pollination of ideas that have led to impactful innovations.

Conclusion

Toshihiko Shiraishi stands out as a key figure in the realm of magneto-rheological technologies. His innovative patents reflect a deep understanding of material properties and engineering principles. As he continues to develop cutting-edge solutions, Shiraishi's contributions promise to influence various applications in technology and beyond.

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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