Yokohama, Japan

Hiroaki Yamamoto

This inventor holds 4 USPTO granted patents. Top assignees: Kioxia Corporation, Tokai Metals Co., Ltd.. Active years: 1981-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Yamamoto. Retrieved from https://idiyas.com/inventor/hiroaki-yamamoto-yj264cci

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 = 1.8

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Yokohama, JP (1981 - 2023)
  • Yokohama Kanagawa, JP (2024)

Company Filing History:


Years Active: 1981-2024

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4 patents (USPTO):Explore Patents

Title: Hiroaki Yamamoto: Innovator in Semiconductor Technology

Introduction

Hiroaki Yamamoto is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His innovative designs have paved the way for advancements in memory devices and storage solutions.

Latest Patents

Yamamoto's latest patents include a semiconductor storage device and a semiconductor memory device. The semiconductor storage device features a first signal line and a second signal line, with the first line including trunk wiring and branch wirings that enhance its functionality. The semiconductor memory device comprises a memory region and a peripheral circuit region, where an MOS transistor is formed. This design ensures that the drain and source electrodes do not overlap, optimizing performance.

Career Highlights

Throughout his career, Yamamoto has worked with notable companies such as Tokai Metals Co., Ltd. and Kioxia Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the semiconductor industry.

Collaborations

Yamamoto has collaborated with esteemed colleagues, including Takaco Umezawa and Shinichi Asou. These partnerships have fostered a creative environment that has led to innovative solutions in semiconductor technology.

Conclusion

Hiroaki Yamamoto's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in memory devices and storage 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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