Matsumoto, Japan

Hiroki Wakimoto

This inventor holds 24 USPTO granted patents and 5 published patent applications, primarily in Semiconductor Devices. Top assignees: Fuji Electric Co., Ltd., Fuji Electric Device Technology Co., Ltd., Fuji Electric Systems Co. Ltd.. Active years: 2004-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Wakimoto. Retrieved from https://idiyas.com/inventor/hiroki-wakimoto

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

Calculating rank
USPTO Granted Patents = 24 

% Patents Active = 75.0

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 59(Granted Patents)


Location History:

  • Nagano, JP (2004 - 2018)
  • Matsumoto, JP (2010 - 2023)

Company Filing History:


Years Active: 2004-2025

Loading Chart...
Areas of Expertise:
Semiconductor Device
Manufacturing Method
Carrier Lifetimes
Silicon Carbide
Aluminum-Silicon Film
Gettering Layer
Vertical MOS
Trench Type MOS
Power Semiconductor
Insulated Gate
24 patents (USPTO):Explore Patents

Title: Hiroki Wakimoto: Pioneering Innovations in Semiconductor Technology

Introduction

Hiroki Wakimoto, based in Matsumoto, Japan, has made significant contributions to the field of semiconductor technology, with a remarkable portfolio of 24 patents to his name. His innovative work continues to shape advancements in the semiconductor industry, focusing on methods that enhance device performance and manufacturing processes.

Latest Patents

Among his latest inventions, Wakimoto has developed a semiconductor device and a method of manufacturing such devices. This invention includes a p-type semiconductor region formed on the front surface of an n-type semiconductor substrate. A crucial aspect of the design is the n-type field stop region located on the rear surface of the substrate, which contains protons as donors. The concentration distribution of these donors features a unique arrangement of peaks, specifically first, second, third, and fourth peaks, determined by their peak maximum points and end points. Notably, the maximum points of the first and second peaks surpass that of the third peak, while the third is lower than the maximum point of the fourth peak, showcasing a meticulous approach to optimizing semiconductor characteristics.

Career Highlights

Wakimoto has had an illustrious career, contributing his expertise to prominent companies such as Fuji Electric Co., Ltd. and Fuji Electric Systems Co., Ltd. His experience in various roles has equipped him with a wealth of knowledge that he applies to his pioneering inventions.

Collaborations

Throughout his career, Wakimoto has collaborated with esteemed industry professionals, including Yuichi Onozawa and Masahito Otsuki. These collaborations have fostered an environment of innovation and shared knowledge, further advancing the field of semiconductor technologies.

Conclusion

Hiroki Wakimoto's impressive array of patents and his commitment to research cements his status as a notable inventor in the semiconductor sector. His groundbreaking methods and devices not only contribute to technological advancements but also inspire future innovations in the industry, setting a high standard for engineers and inventors alike.

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…