Akishima, Japan

Takeo Hirono

This inventor holds 2 USPTO granted patents. Top assignees: Casio Computer Co., Ltd., Casio Electronics Manufacturing Co., Ltd.. Active years: 1991-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Hirono. Retrieved from https://idiyas.com/inventor/takeo-hirono

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 = 8.0

ph-index = 2

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1991-2000

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2 patents (USPTO):Explore Patents

Title: Takeo Hirono: Innovator in Image Forming Technology

Introduction

Takeo Hirono is a notable inventor based in Akishima, Japan. He has made significant contributions to the field of image forming technology, holding two patents that showcase his innovative approach to developing devices and methods for electrophotographic imaging.

Latest Patents

Hirono's latest patents include a developing device and a method of forming an electrophotographic image. The developing device is designed for use in an image forming apparatus, featuring a developing roller positioned at the lower opening of a toner hopper. This roller contacts a photosensitive drum to create a developing portion. The hopper is equipped with a toner stirring member and a feed roller that presses against the developing roller. A doctor blade and a conductive scooping sheet are also integral to the device, ensuring efficient toner management. His method of forming an image eliminates the need for cleaning by utilizing repeated electrophotographic process cycles, which involve charging the photosensitive drum and visualizing the latent image with a dry developer material.

Career Highlights

Throughout his career, Takeo Hirono has worked with prominent companies such as Casio Computer Co., Ltd. and Casio Electronics Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in imaging technology.

Collaborations

Hirono has collaborated with notable coworkers, including Mitsugu Oishi and Noriki Ono. Their combined expertise has likely fostered an environment of innovation and creativity in their projects.

Conclusion

Takeo Hirono's work in developing devices and methods for image forming technology highlights his role as a significant inventor in this field. His patents reflect a commitment to enhancing the efficiency and effectiveness of electrophotographic processes.

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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