Kanagawa, Japan

Toshio Shiina

This inventor holds 1 USPTO granted patent. Top assignees: Ikeda Bussan Co. Ltd., Nissan Motor Company Limited. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Shiina. Retrieved from https://idiyas.com/inventor/toshio-shiina-kwwbjfhm

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 8.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Toshio Shiina: Innovator in Vehicle Seat Technology

Introduction

Toshio Shiina is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of vehicle design, particularly in the area of seat technology. His innovative approach has led to the development of a unique patent that enhances the functionality of vehicle seats.

Latest Patents

Toshio Shiina holds a patent for a "Rotatable vehicle seat assembly with improved latching mechanism." This invention features a vehicle front seat that can be selectively rotated into either a forward or rearward position. The design includes a turntable unit or rotation adjusting mechanism situated between the seat and the vehicle floor. The mechanism comprises a stationary circular guide and a rotating disk, which houses a latching arm with an engagement tooth. The stationary guide is equipped with a locking through hole that engages with the latching arm's tooth. A cam within the locking hole interacts with the engagement tooth, allowing for precise rotation detection via a microswitch. This innovative design also incorporates first and second circular arc cam surfaces to accommodate potential errors in the assembly.

Career Highlights

Throughout his career, Toshio Shiina has worked with prominent companies, including Ikeda Bussan Co. Ltd. and Nissan Motor Company Limited. His experience in these organizations has allowed him to refine his skills and contribute to advancements in automotive technology.

Collaborations

Toshio has collaborated with notable colleagues such as Yasuo Hirama and Kouichi Takatsuji. Their combined expertise has fostered an environment of innovation and creativity in their projects.

Conclusion

Toshio Shiina's contributions to vehicle seat technology exemplify the impact of innovative thinking in the automotive industry. His patent for a rotatable vehicle seat assembly showcases his commitment to enhancing user experience and safety in vehicles.

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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