Saitama, Japan

Noboru Yamaguchi

This inventor holds 9 USPTO granted patents and 4 published patent applications. Top assignees: Wacom Co., Ltd., Wacom Corporation Limited, Sanseiseiki Co., Ltd.. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Noboru Yamaguchi. Retrieved from https://idiyas.com/inventor/noboru-yamaguchi-23bsgmny

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

USPTO Granted Patents = 9 

% Patents Active = 66.7

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 2002-2026

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9 patents (USPTO):Explore Patents

Title: Noboru Yamaguchi: Innovator in Electronic Pen Technology

Introduction

Noboru Yamaguchi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of electronic pen technology, holding a total of 9 patents. His innovative designs have paved the way for advancements in how electronic pens function and interact with digital devices.

Latest Patents

Yamaguchi's latest patents include the "Electronic pen and core body for electronic pen." This invention features a case, a core body, and a signal generation circuit. The core body is designed to be attached inside the case, with a front end portion protruding from an opening. The signal generation circuit is responsible for generating a signal transmitted from the core body. The core body consists of a core rod and a protection member that covers the pen tip and axis portion. Notably, the core body has a middle portion with a different dielectric constant than that of the protection member, ensuring effective separation. Another patent focuses on an electronic pen that includes a cylindrical housing, a conductive core rod, and a protection member. The core rod is designed to receive signals from the signal generation circuit, enhancing the pen's functionality.

Career Highlights

Throughout his career, Noboru Yamaguchi has worked with prominent companies such as Wacom Co., Ltd. and Sanseiseiki Co., Ltd. His experience in these organizations has contributed to his expertise in electronic pen technology and innovation.

Collaborations

Yamaguchi has collaborated with talented individuals in the field, including Yoshiyuki Hashimoto and Shinya Aoki. These partnerships have fostered creativity and innovation in his projects.

Conclusion

Noboru Yamaguchi's contributions to electronic pen technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the mechanics and functionality of electronic writing instruments. His work continues to influence the development of advanced electronic pen solutions.

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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