OSAKA, Japan

Daichi Funakoshi

This inventor holds 3 USPTO granted patents and 5 published patent applications. Top assignee: Kyocera Document Solutions Inc.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daichi Funakoshi. Retrieved from https://idiyas.com/inventor/daichi-funakoshi

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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3 patents (USPTO):Explore Patents

Title: Daichi Funakoshi: Inkjet Printing Innovations

Introduction

Daichi Funakoshi is an inventor based in Osaka, Japan, whose patent work focuses on inkjet printing technology. He is associated with Kyocera Document Solutions Inc. His profile lists 3 patents.

Latest Patents

Funakoshi’s latest listed patents share the title “Inkjet ink set, inkjet recording apparatus, and inkjet recording method.” Both describe ink sets containing first and second inks, each with pigments, binders, and aqueous media.

One patent specifies that the first binder has a Young’s modulus of at least 600 N/mm and no greater than 1,600 N/mm, while the second binder’s modulus is at least 350 N/mm and no greater than 1,600 N/mm.

The other patent further specifies that the first ink contains flat titanium pigment particles. It also sets the first binder’s Young’s modulus at 600–1,600 N/mm. These material properties and ink components are central features of the disclosed inkjet recording technology.

Career Highlights

The available information highlights Funakoshi’s work on ink formulations and recording methods, including the design of pigment-and-binder combinations for inkjet systems. His listed affiliation connects this work with Kyocera Document Solutions Inc.

Collaborations

The provided information identifies Kyocera Document Solutions Inc. as Funakoshi’s company affiliation. It does not specify individual collaborators or additional research partnerships.

Conclusion

Daichi Funakoshi’s listed patents focus on inkjet ink sets and recording technology, with particular attention to binder properties and pigment composition.

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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