Takizawa, Japan

Hiroyuki Oka

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignee: Zama Japan Kabushiki Kaisha. Active years: 2014-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Oka. Retrieved from https://idiyas.com/inventor/hiroyuki-oka-iboae9tv

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 20.0

Average Co-Inventor Count = 1.7

ph-index = 1


Location History:

  • Iwate-gun, JP (2017)
  • Takizawa-mura, JP (2016 - 2019)
  • Iwate, JP (2014 - 2022)

Company Filing History:


Years Active: 2014-2022

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5 patents (USPTO):Explore Patents

Title: Hiroyuki Oka: Innovator in Carburetor Technology

Introduction

Hiroyuki Oka is a notable inventor based in Takizawa-mura, Japan. He has made significant contributions to the field of carburetor technology, holding a total of 5 patents. His innovative designs focus on improving the efficiency and functionality of carburetors, which are essential components in various engines.

Latest Patents

Oka's latest patents include an improved primary pump for a carburetor. This primary pump features a reduced cost and a compact construction. It consists of a flexible cap with a cavity, an inlet open to the cavity, and an inlet side path fluidly coupled to the inlet. Additionally, it includes an inlet side check valve and an outlet side check valve, enhancing the pump's performance. Another notable patent is the attachment structure for a solenoid valve to a carburetor unit. This design allows for stable attachment and removal of the solenoid valve with a single movement, minimizing the number of parts required.

Career Highlights

Hiroyuki Oka is currently employed at Zama Japan Kabushiki Kaisha, where he continues to develop innovative solutions in carburetor technology. His work has significantly impacted the efficiency of carburetor systems, making them more reliable and cost-effective.

Collaborations

Oka has collaborated with talented coworkers such as Takumi Nonaka and Hideki Watanabe. Their combined expertise has contributed to the successful development of various innovative projects.

Conclusion

Hiroyuki Oka's contributions to carburetor technology exemplify his dedication to innovation and efficiency. His patents reflect a commitment to improving engine performance through thoughtful design and engineering.

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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