Susono, Japan

Nobuaki Wakita

This inventor holds 12 USPTO granted patents. Top assignees: Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1976-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobuaki Wakita. Retrieved from https://idiyas.com/inventor/nobuaki-wakita

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 = 1.8

ph-index = 7

Forward Citations = 97(Granted Patents)


Location History:

  • Susono, JA (1976 - 1978)
  • Susono, JP (1979 - 1982)
  • Nagoya, JP (1989 - 1992)

Company Filing History:


Years Active: 1976-1992

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12 patents (USPTO):Explore Patents

Title: Nobuaki Wakita: Innovator in Internal Combustion Engine Technology

Introduction

Nobuaki Wakita is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 12 patents. His innovative designs focus on improving engine efficiency and functionality.

Latest Patents

Wakita's latest patents include groundbreaking technologies such as an internal combustion engine and its piston. This invention features a unique oil drain mechanism that prevents excess oil from entering the combustion chamber when the engine stops. The design includes an oil drain hole located in the inner wall of the piston body, ensuring that both ends of the hole are positioned lower than the piston head. This innovative approach eliminates the need for a whirl-stop on piston rings.

Another notable patent is the oil pan arrangement for horizontally mounted engines. This design allows for the mounting of a vertical in-line engine in a vehicle at a horizontal or nearly horizontal angle. The arrangement includes a cylinder block with an opening on the side wall, a cover attached to the cylinder block, and an adapter plate that facilitates a more efficient return path for lubricated portions of the engine to the oil pan.

Career Highlights

Wakita has worked with Toyota Motor Corporation, where he has contributed to various projects and innovations in engine technology. His experience at such a renowned company has allowed him to refine his skills and develop cutting-edge solutions for modern automotive challenges.

Collaborations

Throughout his career, Wakita has collaborated with notable colleagues, including Yoshiharu Chino and Masaru Hibino. These partnerships have fostered a creative environment that has led to the development of several innovative technologies in the automotive industry.

Conclusion

Nobuaki Wakita's contributions to internal combustion engine technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a desire to enhance vehicle performance. His work continues to influence the automotive industry and inspire future inventors.

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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