Hirakata, Japan

Susumu Yamaura

This inventor holds 3 USPTO granted patents. Top assignee: Mita Industrial Co., Ltd.. Active years: 1979-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Yamaura. Retrieved from https://idiyas.com/inventor/susumu-yamaura

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1979-1982

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3 patents (USPTO):Explore Patents

Title: The Innovative Journey of Susumu Yamaura

Introduction

Susumu Yamaura, a prolific inventor based in Hirakata, Japan, is known for his contributions to electrostatic photography and printing technologies. With a total of three patents to his name, Yamaura has played a significant role in enhancing the efficiency and performance of transfer sheets used in these applications.

Latest Patents

Yamaura's recent patents demonstrate his advanced expertise in the field. One of his notable inventions is the "Process for preparation of a transfer sheet for electrostatic." This invention encompasses a transfer sheet designed for electrostatic transfer of electrically conductive or semi-conductive toners. The transfer sheet comprises a substrate and a specially formulated toner-receiving layer that features a thermoplastic acrylic polymer and a thermosetting resin. This innovative combination allows for high electrical resistance, particularly under humid conditions, while ensuring high transfer efficiency of toner images.

Additionally, he developed another patent titled "Transfer sheet and process for preparation thereof," which also focuses on electrostatic transferring techniques. This invention utilizes a composition of acrylic-styrene copolymer and finely divided silica to maintain electric resistance and enhance graphic characteristics, allowing the transfer sheet to closely resemble ordinary paper in touch and feel.

Career Highlights

Currently, Susumu Yamaura is associated with Mita Industrial Co., Ltd., where he continues to innovate and refine his inventions. His work has been instrumental in pushing the boundaries of electrostatic printing technology, enabling more efficient and effective products that meet the needs of the industry today.

Collaborations

Throughout his career, Yamaura has collaborated with esteemed colleagues such as Mamoru Kato and Yasutoki Kamezawa. Their teamwork has resulted in the development of advanced technologies in the realm of electrostatic printing, further solidifying their collective impact on the industry.

Conclusion

Susumu Yamaura’s inventive spirit and commitment to innovation have led to significant advancements in electrostatic transfer technologies. His patents, characterized by their technical sophistication and practical applications, reflect his deep understanding of the industry. As he continues to contribute to Mita Industrial Co., Ltd., Yamaura’s work remains a vital part of the ongoing evolution of printing technologies.

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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