Yokohama, Japan

Masami Ishiura

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Sumitomo Electric Device Innovations, Inc., Sumitomo Electric Industries, Limited. Active years: 2016-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Ishiura. Retrieved from https://idiyas.com/inventor/masami-ishiura

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

USPTO Granted Patents = 5 

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 6(Granted Patents)


Location History:

  • Yokohama, JP (2016 - 2019)
  • Yokohami, JP (2020)

Company Filing History:


Years Active: 2016-2020

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5 patents (USPTO):Explore Patents

Title: Masami Ishiura: Innovator in Semiconductor Technology

Introduction

Masami Ishiura is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on the development of advanced semiconductor optical devices and manufacturing processes.

Latest Patents

Ishiura's latest patents include a process for forming an epitaxial substrate and a semiconductor optical device. This innovative process involves several steps, such as forming a striped mask on a semiconductor substrate and selectively growing a dummy layer. The process is designed to create a waveguide structure that includes a heater for temperature variation. Another significant patent is for a semiconductor laser device that features a diffraction grating. This device comprises a first diffraction grating on a substrate and a second diffraction grating that is continuous with the first, enhancing the optical waveguide's performance.

Career Highlights

Throughout his career, Masami Ishiura has worked with prominent companies, including Sumitomo Electric Device Innovations, Inc. and Sumitomo Electric Industries, Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in semiconductor technology.

Collaborations

Ishiura has collaborated with talented individuals in his field, including Toshimitsu Kaneko and Takuya Fujii. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Masami Ishiura's contributions to semiconductor technology are noteworthy, and his patents reflect his innovative spirit. His work continues to influence the industry and pave the way for future advancements in optical 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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