Hyogo, Japan

Hiroki Ezuka

This inventor holds 1 USPTO granted patent and 3 published patent applications and 1 EPO patent. Top assignee: Nof Corporation. Active years: 2026.

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

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Hiroki Ezuka: Inventor of an Electroconductive Paste Cleaning Agent

Introduction

Hiroki Ezuka is an inventor associated with Hyogo, Japan, and Nof Corporation. His work includes a patent for a cleaning agent designed to remove electroconductive paste from screen plates while limiting potential effects on the plates. The supplied information lists 1 patent.

Latest Patents

Ezuka’s listed patent is titled “Cleaning Agent for Electroconductive Paste and Method for Cleaning Electroconductive Paste.” It describes an alkaline cleaning composition intended to make it easier to remove electroconductive paste adhering to a screen plate without tending to affect the plate.

One embodiment combines a compound represented by formula (1) with an aliphatic alcohol containing 2–6 carbon atoms and having a molecular weight of 40–120. The composition has a pH of at least 11.0 and below 14.0. The specified content of component (A) is 0.1–5 mass percent, while component (B) makes up 5–40 mass percent of the composition. In formula (1), R is a branched C6–18 alkyl group, and the average number of added CHO groups is 2–10.

Career Highlights

The available information identifies Ezuka’s work at Nof Corporation and his contribution to a patent addressing the cleaning of electroconductive paste from screen plates. The invention focuses on the composition and cleaning performance of an alkaline agent.

Collaborations

Nanae Habara and Hiroya Fujita are identified as Ezuka’s coworkers. The supplied information does not specify their roles in the patent or describe particular collaborative projects.

Conclusion

Hiroki Ezuka’s listed patent presents a specialized alkaline cleaning composition intended to help remove electroconductive paste from screen plates while limiting adverse effects on the plates.

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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