Kyoto, Japan

Mitsuhiko Sakai

This inventor holds 16 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Rohm Co., Ltd.. Active years: 2008-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsuhiko Sakai. Retrieved from https://idiyas.com/inventor/mitsuhiko-sakai

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

USPTO Granted Patents = 16 

% Patents Active = 81.3


Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 135(Granted Patents)


Location History:

  • Kyoto-Fu, JP (2012 - 2015)
  • Kyoto, JP (2008 - 2023)

Company Filing History:


Years Active: 2008-2023

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16 patents (USPTO):Explore Patents

Title: Innovations of Mitsuhiko Sakai

Introduction

Mitsuhiko Sakai is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His work focuses on developing advanced light-emitting devices that have applications in various electronic systems.

Latest Patents

One of his latest patents is a semiconductor light-emitting device with a frosted semiconductor layer. This innovative device includes a conductive substrate and a first metal layer that is electrically connected to the substrate. The first metal layer is composed of an Au-based material. A joining layer is formed on this first metal layer, which consists of a second metal layer and a third metal layer, both including Au. Additionally, a metallic contact layer and an insulating layer are created on the joining layer. The semiconductor layer, which includes a red-based light-emitting layer, is formed on the metallic contact layer and the insulating layer. An electrode made of metal is placed on the semiconductor layer, and the insulating layer features a patterned aperture, allowing part of the metallic contact layer to be formed within the aperture.

Another notable patent is a semiconductor light-emitting device that shares similar structural features with the previous invention. This device also includes a conductive substrate, a first metal layer, a joining layer, a metallic contact layer, an insulating layer, and a semiconductor layer with a red-based light-emitting layer. The electrode is similarly made of metal, and the insulating layer contains a patterned aperture.

Career Highlights

Mitsuhiko Sakai has built a successful career at Rohm Co., Ltd., where he has been instrumental in advancing semiconductor technologies. His expertise and innovative approach have led to the development of cutting-edge devices that enhance the performance of electronic products.

Collaborations

Throughout his career, Sakai has collaborated with notable colleagues, including Masakazu Takao and Kazuhiko Senda. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Mitsuhiko Sakai's contributions to semiconductor technology through his numerous patents highlight his role as a leading inventor in the field. His innovative designs and collaborative efforts continue to shape the future of electronic devices.

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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