Kasugai, Japan

Hiroki Doi

This inventor holds 7 USPTO granted patents. Top assignees: Ckd Corporation, Tokyo Electron Limited. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Doi. Retrieved from https://idiyas.com/inventor/hiroki-doi-qbgbft4j

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


% Patents Active = 85.7

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 568(Granted Patents)


Location History:

  • Komaki, JP (2008)
  • Kasugai, JP (2005 - 2012)

Company Filing History:


Years Active: 2005-2025

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7 patents (USPTO):Explore Patents

Title: Hiroki Doi: Innovator in Valve Technology

Introduction

Hiroki Doi is a prominent inventor based in Kasugai, Japan. He has made significant contributions to the field of valve technology, holding a total of 7 patents. His innovative designs have advanced the functionality and efficiency of various systems.

Latest Patents

Hiroki Doi's latest patents include a four-way valve, a valve unit, and a temperature control system. The four-way valve features a body that includes a valve chamber and first to fourth communication channels, allowing for versatile operation. The valve component is rotatable and can switch between different states to control fluid flow effectively. Additionally, his gas supply unit and gas supply system are designed to be compact and cost-effective, featuring fluid control devices that manage operation gas through innovative flow path blocks.

Career Highlights

Throughout his career, Hiroki Doi has worked with notable companies such as Ckd Corporation and Tokyo Electron Limited. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge technologies in the industry.

Collaborations

Hiroki has collaborated with talented individuals like Minoru Ito and Akiko Nakada, further enhancing his innovative projects and expanding his professional network.

Conclusion

Hiroki Doi's contributions to valve technology and gas supply systems demonstrate his commitment to innovation and excellence. His work continues to influence the industry and inspire future advancements.

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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