Okazaki, Japan

Hiroshi Takai

This inventor holds 4 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha, Idemitsu Petrochemical Co., Ltd.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Takai. Retrieved from https://idiyas.com/inventor/hiroshi-takai-8m7w6srw

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 = 6.3

ph-index = 4

Forward Citations = 49(Granted Patents)


Location History:

  • Takatsuki, JP (1986)
  • Aichi-ken, JP (2001)
  • Okazaki, JP (1998 - 2002)

Company Filing History:


Years Active: 1986-2002

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4 patents (USPTO):Explore Patents

Title: The Innovative Journey of Hiroshi Takai

Introduction

Hiroshi Takai, an accomplished inventor based in Okazaki, Japan, has made significant contributions to the automotive industry through his inventive prowess. With a total of four patents to his name, his work focuses on enhancing vehicle door assemblies and locking mechanisms.

Latest Patents

Takai's most recent patents include a door locking assembly for vehicles and a vehicle door assembly. The door locking assembly features a space defined between a door inner panel and a door trimming, accommodating a locking device securely on the door inner panel. This design ingeniously incorporates a key cylinder and a connecting rod for a door outside handle, along with a locking lever and opening lever to facilitate seamless vehicle access. The vehicle door assembly patent presents a comprehensive design, including a door inner panel with hinge and lock attachment portions, ensuring durability and functionality with its innovative arm connections.

Career Highlights

Throughout his career, Hiroshi Takai has been associated with prominent companies in the automotive sector, such as Toyota Motor Corporation and Osaka Transformer Co., Ltd. His work in these influential groups has allowed him to apply his inventive ideas in practical applications, contributing to advancements in vehicle design and safety.

Collaborations

Takai has collaborated with notable colleagues, including Ryoichi Fukumoto and Motohiro Kokubo. Together, they have nurtured an environment of innovation and creativity, driving forward the development of technology within their respective fields.

Conclusion

Hiroshi Takai's journey as an inventor showcases his commitment to enhancing vehicle functionalities through innovative designs. With multiple patents reflecting his expertise, he continues to influence the automotive industry with his forward-thinking contributions.

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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