Hiroshima, Japan

Kiyotoshi Nakaue

This inventor holds 1 USPTO granted patent. Top assignee: Kotobuki Engineering & Manufacturing Co., Ltd.. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyotoshi Nakaue. Retrieved from https://idiyas.com/inventor/kiyotoshi-nakaue

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


Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2012

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Kiyotoshi Nakaue: Sand-Making Technology

Introduction

Kiyotoshi Nakaue is an inventor associated with Hiroshima, Japan, and Kotobuki Engineering & Manufacturing Co., Ltd. His patent work includes an invention for producing sand through crushing and particle separation.

Latest Patents

Nakaue is credited with 1 patent: “Sand Making Apparatus, Sand Making Method, and Made Sand.” The invention describes an apparatus that crushes material and sorts the resulting particles into coarse particles, fine particles, and powders. It uses air blowing and screening for the initial sorting, then applies negative pressure to collect the powders. A second sorter separates those powders into coarse and fine fractions.

Career Highlights

Nakaue’s listed patent reflects work on equipment and methods for sand production, with a focus on combining crushing, screening, air sorting, and negative-pressure collection. He is associated with Kotobuki Engineering & Manufacturing Co., Ltd.

Collaborations

Nakaue’s listed coworkers include Ken Shimazutsu and Katsuyoshi Hashimoto.

Conclusion

Kiyotoshi Nakaue’s patent documents a sand-making system that integrates material crushing with staged particle sorting and powder collection.

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]
Loading…