Tokyo, Japan

Sumio Koiwa

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Dai Nippon Printing Co., Ltd.. Active years: 2019-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumio Koiwa. Retrieved from https://idiyas.com/inventor/sumio-koiwa-danzajqy

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 100.0


Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2019-2024

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5 patents (USPTO):Explore Patents

Title: The Innovations of Sumio Koiwa

Introduction

Sumio Koiwa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of technology, particularly in the development of innovative substrates. With a total of 5 patents to his name, Koiwa continues to push the boundaries of engineering and design.

Latest Patents

One of Koiwa's latest inventions is a through-hole electrode substrate. This substrate features a through-hole that extends from a first aperture on one surface to a second aperture on the opposite surface. Notably, the area of the second aperture is larger than that of the first aperture. The through-hole includes a minimum aperture part, which is the smallest area among various sections of the through-hole when viewed from above. Additionally, the substrate contains a filler within the through-hole and at least one gas discharge member that contacts the filler exposed to either the first or second surface.

Career Highlights

Koiwa is currently employed at Dai Nippon Printing Co., Ltd., where he applies his expertise in substrate technology. His work has been instrumental in advancing the capabilities of electronic components and materials.

Collaborations

Throughout his career, Koiwa has collaborated with notable colleagues such as Satoru Kuramochi and Hidenori Yoshioka. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Sumio Koiwa's contributions to the field of technology through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of advanced materials and substrates in the industry.

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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