Chiba, Japan

Toshio Honjou

This inventor holds 1 USPTO granted patent. Top assignees: Fuji Xerox Co., Ltd., Nippon Iron Powder Co. Ltd.. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Honjou. Retrieved from https://idiyas.com/inventor/toshio-honjou

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 = 7.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: **Toshio Honjou: Innovator in Electrophotographic Technology**

Introduction

Toshio Honjou, an influential inventor based in Chiba, Japan, has made notable contributions to the field of electrophotography. With a wealth of experience in technological innovations, he holds one significant patent that enhances the efficiency and functionality of electrophotographic copying machines.

Latest Patents

Honjou's patent, titled "Magnetic Carrier of Developer for Electrophotographic Copying Machines," involves a unique composition represented by (MO).sub.X (Fe.sub.2 O.sub.3). The carrier boasts a bulk density of 1.8-3.4 g/cm³ and magnetization of 10-30 emu/g in a magnetic field of 450-1000 Oersted. This innovative composition includes at least one metal selected from a group comprising lithium, manganese, nickel, zinc, cadmium, copper, cobalt, and magnesium, showcasing Honjou's expertise in material science.

Career Highlights

Throughout his career, Honjou has worked with respected companies such as Fuji Xerox Co., Ltd. and Nippon Iron Powder Co. Ltd. His contributions to these organizations have been vital in advancing technologies related to copying machines and magnetic materials.

Collaborations

Honjou has collaborated with distinguished colleagues in the industry, including Hidekiyo Tachibana and Akihiko Noda. Their joint efforts have fostered innovation and development in their respective fields, further enhancing the efficacy of their work.

Conclusion

In summary, Toshio Honjou stands out as a remarkable inventor whose work has made a lasting impact on the technology of electrophotographic copying machines. His unique patent and collaborations reflect his dedication to innovation and contribute significantly to the advancement of the industry. His contributions will continue to inspire future inventions and innovations in the field.

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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