Higashimurayama, Japan

Hiroaki Ootsubo

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignees: Casio Computer Co., Ltd., Casio Electronics Manufacturing Co., Ltd.. Active years: 2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Ootsubo. Retrieved from https://idiyas.com/inventor/hiroaki-ootsubo

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 = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2014

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1 patent (USPTO):Explore Patents

Title: Hiroaki Ootsubo: Innovator in Image Forming Technology

Introduction

Hiroaki Ootsubo is a notable inventor based in Higashimurayama, Japan. He has made significant contributions to the field of image forming technology, particularly with his innovative patent that enhances printer functionality. His work reflects a commitment to improving user experience in printing processes.

Latest Patents

Hiroaki Ootsubo holds a patent for an "Image forming apparatus and toner refilling method therefor." This invention addresses the challenges associated with toner management in printers. In his design, a toner cartridge is mounted without toner in a reserve tank. The toner supply mechanism ensures that the appropriate amount of toner is supplied to maintain optimal printing performance. The system includes a toner density sensor that monitors toner levels and alerts users when a toner cartridge exchange is necessary, allowing for uninterrupted operation.

Career Highlights

Throughout his career, Hiroaki Ootsubo has worked with prominent companies such as Casio Electronics Manufacturing Co., Ltd. and Casio Computer Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative printing solutions.

Collaborations

Hiroaki has collaborated with talented individuals in the industry, including Yuichiro Iegaki and Fumio Shimazu. These partnerships have fostered a creative environment that has led to advancements in technology.

Conclusion

Hiroaki Ootsubo's contributions to image forming technology exemplify his innovative spirit and dedication to enhancing printing processes. His patent demonstrates a forward-thinking approach that benefits users and the industry alike.

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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