Fussa, Japan

Hirokazu Toshiyuki

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignees: Casio Keisanki Kabushiki Kaisha, Casio Denshikougyou Kabushiki Kaisha, Casio Computer Co., Ltd.. Active years: 2007-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirokazu Toshiyuki. Retrieved from https://idiyas.com/inventor/hirokazu-toshiyuki

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 46(Granted Patents)


Company Filing History:


Years Active: 2007-2015

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4 patents (USPTO):Explore Patents

Title: Hirokazu Toshiyuki: Innovator in Toner Technology

Introduction

Hirokazu Toshiyuki is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of toner technology, holding a total of 4 patents. His innovative designs have improved the efficiency and functionality of toner conveying systems.

Latest Patents

One of his latest patents is a toner conveying unit designed for collecting toner and conveying it to a toner storage container. This unit features a first toner conveying passage with a receiving port that allows toner to fall down. The second toner conveying passage connects to the lower portion of the first passage. A conveying member within the second passage rotates to convey the toner in a predetermined direction. Additionally, a crank is positioned below the first passage and is connected to the conveying member. A vertical slide member, which is inserted into the first passage, slides along its inner wall, enhancing the overall efficiency of the toner conveying process. Another notable patent is a pouch for retrieved waste toner.

Career Highlights

Hirokazu has worked with prominent companies such as Casio Keisanki Kabushiki Kaisha and Casio Denshikougyou Kabushiki Kaisha. His work in these organizations has allowed him to develop and refine his innovative ideas in toner technology.

Collaborations

Throughout his career, Hirokazu has collaborated with talented individuals, including Moriyuki Kouroku and Masaki Kanasugi. These collaborations have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Hirokazu Toshiyuki is a distinguished inventor whose work in toner technology has led to several important patents. His innovative designs continue to influence the industry and improve toner conveying systems.

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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