Takatsuki, Japan

Ayumi Tsujimura

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ayumi Tsujimura. Retrieved from https://idiyas.com/inventor/ayumi-tsujimura

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 = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Ayumi Tsujimura: Semiconductor Invention

Introduction

Ayumi Tsujimura is an inventor associated with Takatsuki, Japan, and Matsushita Electric Industrial Co., Ltd. Her recorded patent concerns semiconductor devices and ion implantation.

Latest Patents

Tsujimura is credited with 1 patent. The patent, titled “Semiconductor Element Having Bivalent and VI Group Element,” describes implanting ions into n-type or p-type semiconductor layers in a multilayer semiconductor structure. The process forms an insulating layer within the semiconductor layers, with the stated ion dose ranging from 10¹² to 10¹⁸ ions per square centimeter.

Career Highlights

The available information connects Tsujimura’s patent work with Matsushita Electric Industrial Co., Ltd., a company known today as Panasonic Corporation. Her patent reflects work on semiconductor structures and methods for creating insulating regions through ion implantation.

Collaborations

Tsujimura’s listed coworkers include Tsuneo Mitsuyu and Shigeo Yoshii. The available details identify these professional associations but do not specify their roles in the patent.

Conclusion

Ayumi Tsujimura’s recorded invention addresses ion implantation in semiconductor layers to form insulating regions, documenting her contribution to semiconductor technology.

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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