Saitama, Japan

Masayuki Onimaru

This inventor holds 3 USPTO granted patents. Top assignee: Honda Giken Kogyo Kabushiki Kaisha. Active years: 1980-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Onimaru. Retrieved from https://idiyas.com/inventor/masayuki-onimaru

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 = 2.6

ph-index = 3

Forward Citations = 28(Granted Patents)


Location History:

  • Kawagoe, JP (1980)
  • Saitama, JP (1981 - 1989)

Company Filing History:


Years Active: 1980-1989

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3 patents (USPTO):Explore Patents

Title: Masayuki Onimaru: Innovator in Piston Ring and Wheel Technology

Introduction

Masayuki Onimaru is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in the design and manufacturing of piston rings and vehicle wheels. With a total of 3 patents to his name, Onimaru's work reflects a commitment to innovation and practical solutions in automotive technology.

Latest Patents

Onimaru's latest patents include a method and apparatus for forming surfaces on piston rings. This invention describes a machining apparatus designed for the exterior peripheral surface of piston rings used in internal combustion engines. Notably, it accommodates piston rings with non-circular transverse shapes, such as oval or elliptical forms. The apparatus features a jig arrangement that temporarily deforms the workpieces to create exterior surfaces with a conical taper.

Another significant patent involves an improved wheel construction for motorcycles and other vehicles. This design integrates a wheel hub with a wheel rim using pairs of radially-extending trapezoidal-shaped spoke members. The vertical cross-section of the spokes forms an isosceles triangle with the hub as the base, while a second triangle is created by the side edges of adjacent spokes and part of the wheel rim.

Career Highlights

Masayuki Onimaru is associated with Honda Giken Kogyo Kabushiki Kaisha, a leading company in the automotive industry. His work at Honda has allowed him to contribute to advancements in vehicle technology, enhancing performance and safety.

Collaborations

Onimaru has collaborated with notable coworkers, including Takeshi Kawaguchi and Yasuhisa Kobayashi. Their teamwork has fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in their respective fields.

Conclusion

Masayuki Onimaru's contributions to piston ring and wheel technology exemplify his innovative spirit and dedication to engineering excellence. His patents not only advance automotive technology but also reflect the collaborative efforts within his team at Honda.

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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