Hyogo, Japan

Hiroko Nakai

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: House Wellness Foods Corporation. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroko Nakai. Retrieved from https://idiyas.com/inventor/hiroko-nakai

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

Calculating rank
USPTO Granted Patents = 1 

Average Co-Inventor Count = 1.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Hiroko Nakai: Inventor Advancing Research on Bone Metabolism.

Introduction

Hiroko Nakai is an inventor associated with House Wellness Foods Corporation in Hyogo, Japan. Her patent work addresses compositions intended to support bone metabolism and inhibit the formation of osteoclasts, cells involved in bone resorption. Nakai is a woman.

Latest Patents

Nakai is listed as an inventor on 1 patent: “Composition for Inhibition of Differentiation of Osteoclast Precursor Cells into Osteoclasts, and Composition for Improving Bone Metabolism.” The invention describes compositions intended to inhibit the differentiation of osteoclast precursor cells into osteoclasts, improve bone metabolism, and help inhibit reductions in bone density.

One proposed composition includes a culture supernatant, or a processed product of it, obtained by culturing immune cells in the presence of lactic acid bacteria or a processed product of those bacteria. Another includes strain L-137, or a processed product of that strain. The patent presents these compositions as approaches to addressing the stated bone-metabolism objectives.

Career Highlights

Nakai’s documented patent contribution connects her work at House Wellness Foods Corporation with research into lactic acid bacteria, immune-cell culture, and bone health. The available information identifies her location as Hyogo, Japan, and records one patent associated with her.

Collaborations

Tsubasa Nakajima and Kohei Kitamura are identified as Nakai’s coworkers. Their names are provided as professional associations, though the available details do not specify their roles in the patent.

Conclusion

Hiroko Nakai’s patent focuses on compositions involving immune-cell culture products or strain L-137, with the stated aim of supporting bone metabolism and limiting osteoclast differentiation.

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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