Wako, Japan

Hidehumi Kuramitsu

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Honda Motor Co., Ltd.. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidehumi Kuramitsu. Retrieved from https://idiyas.com/inventor/hidehumi-kuramitsu

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

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 5.5

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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2 patents (USPTO):Explore Patents

Title: Hidehumi Kuramitsu: Engineering Innovations at Honda

Introduction

Hidehumi Kuramitsu is an inventor based in Wako, Japan, whose patent work includes technologies for fuel cells and internal combustion engines. He is associated with Honda Motor Co., Ltd. and holds 2 patents.

Latest Patents

Kuramitsu’s latest patents address sensing in fuel cells and cylinder-bore design in internal combustion engines.

The fuel-cell invention describes sensors with sensor portions placed on components such as separators, a frame member, or an electrolyte membrane. Wiring connects each sensor portion to an outer peripheral area of a separator or membrane electrode assembly. The sensor structure also includes a base insulating film, laminated wiring patterns, and a covering insulating film.

The internal-combustion-engine invention concerns an engine body, piston, and crankshaft connected through a connecting rod. It specifies cylinder-bore regions with different diameters: the bore is narrower near the piston’s top-dead-center side than near its bottom-dead-center side, with a smoothly connecting region between them.

Career Highlights

Kuramitsu’s patent portfolio reflects work on distinct areas of automotive engineering, including fuel-cell sensor construction and engine-cylinder geometry. His association with Honda Motor Co., Ltd. connects these inventions to the company’s broader engineering activities.

Collaborations

Kuramitsu’s listed coworkers include Tomohito Kotake and Eri Terada. Their names are provided as collaborators, though specific roles in the patents are not stated.

Conclusion

Hidehumi Kuramitsu’s two patents highlight contributions to fuel-cell sensing and internal-combustion-engine design, reflecting a range of automotive innovations associated with 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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