Osaka, Japan

Kazuo Joroku

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Mita Industrial Co., Ltd., Kyocera Mita Corporation. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Joroku. Retrieved from https://idiyas.com/inventor/kazuo-joroku

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


% Patents Active = 100.0


Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 24(Granted Patents)


Company Filing History:


Years Active: 1998-2002

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5 patents (USPTO):Explore Patents

Title: Kazuo Joroku: Innovator in Imaging Technology

Introduction

Kazuo Joroku is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of imaging technology, holding a total of 5 patents. His work primarily focuses on enhancing the functionality and efficiency of toner cartridges and image forming apparatuses.

Latest Patents

One of his latest patents is for a toner cartridge that features an agitating paddle. This innovative design includes a cartridge body for containing toner, an agitating paddle for mixing the toner, and a toner blocking/setting prevention member. This member works in conjunction with the agitating paddle to prevent toner from blocking or setting within the cartridge. The design also incorporates a contacting projection on the agitating wing, which interacts with a delivering spiral to create oscillation. Additionally, an oscillating plate is included to assist in the agitation of the toner.

Another significant patent is for a part-replacement aid tool designed for image forming apparatuses. This tool aids in the replacement of parts and includes a part holding unit for securely holding the part to be replaced. The mounting portion allows for easy attachment to the image forming apparatus. The part holding unit can also serve as a packaging container for new replacement parts, enhancing convenience for users.

Career Highlights

Kazuo Joroku has worked with prominent companies in the imaging industry, including Mita Industrial Co., Ltd. and Kyocera Mita Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in imaging technology.

Collaborations

Throughout his career, Joroku has collaborated with talented individuals such as Toshihiko Watanabe and Tsutomu Ashikari. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Kazuo Joroku's contributions to imaging technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to impact the industry, showcasing the importance of creativity and technical expertise in advancing technology.

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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