Kumagaya, Japan

Minoru Chinju

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Metals, Ltd.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Chinju. Retrieved from https://idiyas.com/inventor/minoru-chinju

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 = 2.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: **Minoru Chinju: Innovator in Electrophotographic Technology**

Introduction

Minoru Chinju, an accomplished inventor based in Kumagaya, Japan, is recognized for his contributions to the field of electrophotography. With a focus on developing advanced materials, Chinju has created innovations that enhance the performance and longevity of electrophotographic systems.

Latest Patents

Chinju holds one notable patent: the "Spherical electrophotographic magnetoplumbite-type hexagonal ferrite." This patent focuses on an electrophotographic ferrite carrier that is characterized by its substantially spherical shape, derived from a magnetoplumbite structure of hexagonal ferrite. The invention boasts high electrical resistivity and significantly improved life span, making it a valuable advancement in its field.

Career Highlights

Chinju is currently associated with Hitachi Metals, Ltd., a leading company known for its innovative materials and technology. During his time there, he has demonstrated a commitment to research and development, contributing to the enhancement of electrophotographic carriers.

Collaborations

Throughout his career, Minoru Chinju has worked alongside Tsutomu Iimura, collaborating on various projects that explore the intersection of materials science and electrophotographic technology. Their combined expertise has led to significant advancements in their field.

Conclusion

Minoru Chinju's contributions, particularly with his patent on spherical electrophotographic materials, underscore the importance of innovation in technology. His work at Hitachi Metals, Ltd. demonstrates his dedication to enhancing the functionality and durability of electrophotographic systems, marking him as a notable figure within the realm of inventions.

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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