Mishima, Japan

Takao Naruoka

This inventor holds 6 USPTO granted patents. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 1987-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Naruoka. Retrieved from https://idiyas.com/inventor/takao-naruoka

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 72(Granted Patents)


Company Filing History:


Years Active: 1987-1998

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6 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takao Naruoka

Introduction

Takao Naruoka is a prominent inventor based in Mishima, Japan. He has made significant contributions to the field of engineering, particularly in the development of valve driving apparatuses. With a total of 6 patents to his name, Naruoka's work has had a notable impact on automotive technology.

Latest Patents

Naruoka's latest patents include a valve driving apparatus that features a cam, a force transfer member, and a shim. This innovative design allows the shim to move on the force transfer member in accordance with the cam's motion, ensuring efficient operation. Another notable patent is a valve drive apparatus for internal combustion engines, which incorporates a convex shim that prevents interference with the cylinder head while maintaining abrasion resistance. This design utilizes a three-dimensional cam with a slanting cam surface, enhancing the overall functionality of the valve system.

Career Highlights

Throughout his career, Takao Naruoka has been associated with Toyota Motor Corporation, where he has contributed to various engineering projects. His expertise in valve mechanisms has positioned him as a key figure in the development of advanced automotive technologies. Naruoka's innovative designs have not only improved performance but also contributed to the efficiency of internal combustion engines.

Collaborations

Naruoka has worked alongside talented colleagues such as Eiji Iwasaki and Yoshihito Moriya. Their collaborative efforts have led to the successful development of several cutting-edge technologies within the automotive industry.

Conclusion

Takao Naruoka's contributions to the field of engineering, particularly in valve driving apparatuses, showcase his innovative spirit and dedication to advancing automotive technology. His patents reflect a commitment to improving performance and efficiency in internal combustion engines.

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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