Kariya, Japan

Masatoshi Hirooka

This inventor holds 1 USPTO granted patent. Top assignee: Aisin Seiki Kabushiki Kaisha. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Hirooka. Retrieved from https://idiyas.com/inventor/masatoshi-hirooka-01z5mez6

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 = 2.0

ph-index = 1

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: Innovations of Masatoshi Hirooka in Automotive Technology

Introduction

Masatoshi Hirooka is a notable inventor based in Kariya, Japan. He has made significant contributions to the automotive industry, particularly in the development of window regulators for vehicles. His innovative designs enhance the functionality and reliability of automotive windows.

Latest Patents

Hirooka holds a patent for a window regulator specifically designed for automotive vehicles. This invention features a reciprocable wire that operates to raise and lower a window along a guide rail within a door. The window regulator includes a wire driving mechanism that drives the wire according to the operation of a handle lever. Additionally, it incorporates an auxiliary mechanism with a torsion spring integrated with the wire driving mechanism. This design assists in raising the window while providing resistance to lowering it. Hirooka's patent is a testament to his ingenuity and understanding of automotive needs. He has 1 patent to his name.

Career Highlights

Masatoshi Hirooka is associated with Aisin Seiki Kabushiki Kaisha, a prominent company in the automotive parts industry. His work at Aisin Seiki has allowed him to focus on innovative solutions that improve vehicle functionality and user experience. Hirooka's dedication to his craft has positioned him as a valuable asset in the field of automotive engineering.

Collaborations

Hirooka has collaborated with Kenichi Fukura, a fellow innovator in the automotive sector. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies in automotive design.

Conclusion

Masatoshi Hirooka's contributions to automotive technology, particularly through his patented window regulator, highlight his role as an influential inventor. His work continues to impact the automotive industry positively, showcasing the importance of innovation in enhancing vehicle functionality.

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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