Sakai, Japan

Hiroyuki Tsuda

This inventor holds 4 USPTO granted patents. Top assignee: Kubota Corporation. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Tsuda. Retrieved from https://idiyas.com/inventor/hiroyuki-tsuda-gwpumvw5

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 = 4.6

ph-index = 1

Forward Citations = 5(Granted Patents)


Location History:

  • Osaka, JP (2009)
  • Sakai, JP (1998 - 2016)

Company Filing History:


Years Active: 1998-2016

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4 patents (USPTO):Explore Patents

Title: Hiroyuki Tsuda: Innovator in Engine Technology

Introduction

Hiroyuki Tsuda is a prominent inventor based in Sakai, Japan. He has made significant contributions to engine technology, holding a total of 4 patents. His innovative designs focus on improving engine efficiency and functionality.

Latest Patents

One of Tsuda's latest patents is a spark ignition engine. This engine is designed to fix an ignition coil case even in small engines. It features an intake manifold attached to a cylinder head, a coil case attachment stay, and a cylinder portion through hole formed on a board of the coil case attachment stay. The design allows for a flexible cylinder portion to penetrate through the hole, ensuring a secure fit for the ignition coil case.

Another notable patent is a vaporized-fuel processing device for an engine. This device stabilizes idling operation by adsorbing vaporized fuel within a fuel reservoir to an adsorbing member of a canister. During engine operation, air is drawn into the canister, separating the vaporized fuel and allowing for efficient mixing with intake air. This innovative approach enhances engine performance and reduces emissions.

Career Highlights

Hiroyuki Tsuda is currently employed at Kubota Corporation, where he continues to develop cutting-edge technologies in engine design. His work has garnered attention for its practical applications and contributions to the automotive industry.

Collaborations

Tsuda has collaborated with notable colleagues, including Hiroshi Inoue and Masaharu Ohno. Their combined expertise has led to advancements in engine technology and innovative solutions for modern challenges.

Conclusion

Hiroyuki Tsuda's contributions to engine technology through his patents and work at Kubota Corporation highlight his role as a key innovator in the field. His inventions not only improve engine efficiency but also pave the way for future advancements in automotive technology.

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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