Ayase, Japan

Masakazu Ohi

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignees: Topy Kogyo Kabushiki Kaisha, Other. Active years: 1990-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masakazu Ohi. Retrieved from https://idiyas.com/inventor/masakazu-ohi

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1990-2003

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3 patents (USPTO):Explore Patents

Title: Innovator Masakazu Ohi: Pioneering Advances in Alloy Wheels

Introduction

Masakazu Ohi is a notable inventor based in Ayase, Japan, recognized for his contributions to the automotive industry through his innovative designs and mechanisms. With a portfolio of three patents, Ohi has demonstrated a commitment to engineering excellence, particularly in the realm of light alloy wheels.

Latest Patents

Ohi’s most recent patent, the "Garnish Light Alloy Wheel," features a unique design that combines a light alloy wheel with a garnish. This design includes a recess on the outboard surface of the wheel, allowing for an exchangeable garnish that enhances both aesthetics and functionality. The garnish mounts within the recess, creating a cohesive design surface that elevates the overall appearance of the wheel.

Another significant invention is the "Driving Mechanism for a Multi-Piece Rim." This innovative mechanism incorporates a driver-loose key positioned between the rim base and a bead seat band. The cross-shaped key minimizes slippage between the parts and boosts the durability of the overall structure, addressing common challenges faced in multi-piece rims.

Career Highlights

Throughout his career, Masakazu Ohi has been associated with reputable companies like Topy Kogyo Kabushiki Kaisha, where he significantly advanced wheel design and functionality. His engineering prowess has not only contributed to his personal success but also to advancements in the industry at large.

Collaborations

Ohi has collaborated with skilled professionals like Hisayoshi Yamoto and Tsutomu Enomoto. These collaborations have fostered a creative environment that supports innovative solutions and technical advancements in wheel and automotive designs.

Conclusion

Masakazu Ohi is a distinguished inventor whose work on light alloy wheels is paving the way for future innovations in automotive design. His patents reflect a blend of creativity and technical skill, establishing him as a key player in the field. With further endeavors, Ohi is expected to continue shaping the industry with his pioneering spirit and innovative approaches.

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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