Tokyo, Japan

Takako Fujiwara

This inventor holds 4 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Stanley Electric Co., Ltd, The University of Tokyo, Stanley Electric Corporation. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takako Fujiwara. Retrieved from https://idiyas.com/inventor/takako-fujiwara

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2018-2026

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4 patents (USPTO):Explore Patents

Title: Innovations by Takako Fujiwara in Semiconductor Technology

Introduction

Takako Fujiwara is a renowned inventor based in Tokyo, Japan, recognized for her groundbreaking contributions to semiconductor technology. With a total of three patents, she has played a significant role in advancing the field, particularly in the development of light-emitting elements.

Latest Patents

Fujiwara's latest innovations include two patents related to semiconductor light-emitting elements. The first patent describes a semiconductor light-emitting element consisting of a first semiconductor layer of a first conductivity type, followed by a first light-emitting layer and a second light-emitting layer, with a second semiconductor layer of a conductivity type opposite to that of the first semiconductor layer. This invention showcases a base layer with composition that experiences stress strain from the first semiconductor layer, featuring a random net-shaped design of base segments. Additionally, it introduces a first quantum well structure layer composed of multiple quantum well layers and barrier layers.

The second patent also presents a semiconductor light-emitting element with a first semiconductor layer of a first conductivity type and a light-emitting functional layer formed on it. This layer contains a base layer created on the first semiconductor layer, which includes multiple base segments subjected to stress strain, and a quantum well light-emitting layer. The design aims to enhance the performance and efficiency of light-emitting elements, marking significant advances in semiconductor applications.

Career Highlights

Throughout her career, Takako Fujiwara has contributed her expertise to prominent organizations, including Stanley Electric Co., Ltd and The University of Tokyo. Her work in these institutions has been pivotal in merging academic research with practical applications in the semiconductor industry.

Collaborations

Collaborating with notable individuals such as Masakazu Sugiyama and Mathew Manish, Fujiwara has leveraged the collective expertise of her colleagues to propel innovation forward. These collaborations have enriched her research and development efforts, further solidifying her impact on semiconductor technology.

Conclusion

Takako Fujiwara is a remarkable inventor whose work in semiconductor light-emitting elements demonstrates her commitment to advancing technology. With her patents and collaborations, she continues to inspire future innovations in the field, making her a significant figure in the realm of electrical engineering and semiconductor research.

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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