Shiga, Japan

Akira Otsuki

This inventor holds 5 USPTO granted patents. Top assignee: Sony Corporation. Active years: 1998-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Otsuki. Retrieved from https://idiyas.com/inventor/akira-otsuki-lrxa7vle

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1998-2000

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5 patents (USPTO):Explore Patents

Title: Akira Otsuki: Innovator in Semiconductor Technology

Introduction

Akira Otsuki is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of ohmic electrodes for III-V compound semiconductors. With a total of 5 patents to his name, Otsuki's work has had a substantial impact on the industry.

Latest Patents

Otsuki's latest patents include innovative designs for ohmic electrodes and their fabrication methods. One of his notable inventions is an ohmic electrode intended for III-V compound semiconductors, such as GaAs semiconductors. This invention aims to achieve practically satisfactory characteristics. The design features an n.sup.+ -type GaAs substrate with an ohmic electrode that includes an n.sup.++ -type regrown GaAs layer and a NiGe film containing precipitates composed of .alpha.'-AuGa. The fabrication process involves stacking a Ni film, Au film, and Ge film on the substrate, followed by patterning and annealing at specific temperatures.

Another significant patent is for a multi-layered structure for ohmic electrode fabrication. This design also targets III-V compound semiconductors and involves the deposition of a non-single crystal InAs layer, Ni film, WSi film, and W film on an n.sup.+ -type GaAs substrate. The structure is patterned and annealed to create an effective ohmic electrode.

Career Highlights

Akira Otsuki is currently employed at Sony Corporation, where he continues to advance semiconductor technology. His work has been instrumental in enhancing the performance and reliability of semiconductor devices.

Collaborations

Otsuki has collaborated with notable colleagues, including Masanori Murakami and Takeo Oku. These partnerships have fostered innovation and contributed to the success of his projects.

Conclusion

Akira Otsuki's contributions to semiconductor technology through his patents and work at Sony Corporation highlight his role as a leading inventor in the field. His innovative approaches to ohmic electrode fabrication are paving the way for advancements in semiconductor applications.

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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