Tokyo, Japan

Keijyu Yamada

This inventor holds 1 USPTO granted patent. Top assignee: Porceny Co., Ltd.. Active years: 1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keijyu Yamada. Retrieved from https://idiyas.com/inventor/keijyu-yamada

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 = 2.0

ph-index = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1980

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Keijyu Yamada: Innovator in Dowel Pin Setting Instruments

Introduction

Keijyu Yamada is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly with his innovative designs that enhance functionality and efficiency. His work is characterized by a commitment to solving practical problems through inventive solutions.

Latest Patents

One of Keijyu Yamada's most recent patents is a dowel pin setting instrument. This instrument is designed with a supporting means that includes a first member and a second member, which are detachably inserted into the first member to prevent rotation. It is mounted on an impression material other than a tooth mark and features a flexible tube with a dowel pin fitted at one end and coupled to the supporting means at the other end. This invention showcases his ability to create tools that improve precision in various applications.

Career Highlights

Keijyu Yamada has worked at Porceny Co., Ltd., where he has been able to apply his inventive skills in a collaborative environment. His dedication to innovation has led to the development of practical tools that are beneficial in various industries. With 1 patent to his name, he continues to push the boundaries of engineering design.

Collaborations

Throughout his career, Keijyu has collaborated with various professionals, including his coworker Makoto Kikuchi. These collaborations have allowed him to refine his ideas and bring them to fruition, contributing to the advancement of technology in his field.

Conclusion

Keijyu Yamada is a distinguished inventor whose work in dowel pin setting instruments exemplifies his innovative spirit. His contributions to engineering continue to impact the industry positively.

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]
Loading…