Yokohama, Japan

Yutaka Onishi

This inventor holds 22 USPTO granted patents and 1 EPO patent, primarily in Vertical Cavity Lasers. Top assignees: Sumitomo Electric Industries, Limited, Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Sato Kogyo Co., Ltd.. Active years: 1991-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Onishi. Retrieved from https://idiyas.com/inventor/yutaka-onishi

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


% Patents Active = 77.3


Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 46(Granted Patents)


Location History:

  • Yokohama, JP (1991 - 2016)
  • Yamato, JP (2014 - 2016)
  • Osaka, JP (2020 - 2021)

Company Filing History:


Years Active: 1991-2021

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Areas of Expertise:
Vertical Cavity Surface Emitting Laser
Wavelength Monitor
Coherent Mixer
Spot-Size Converter
Semiconductor Optical Device
Dual Polarization Quadrature Phase Shift Keying
Optical Modulator
Laser Diode
Enhanced Emitting Efficiency
Polarization Control Device
Surface Emitting Semiconductor Laser
Manufacturing Method
22 patents (USPTO):Explore Patents

Title: Yutaka Onishi: Innovator in Vertical Cavity Surface Emitting Lasers

Introduction: Yutaka Onishi, based in Yokohama, Japan, is a renowned inventor in the field of semiconductor technology and optoelectronics. With a remarkable portfolio of 22 patents, Onishi is recognized for his contributions to the development of vertical cavity surface emitting lasers (VCSELs), which are vital components in modern optical communication systems.

Latest Patents: Among his latest innovations, Onishi has patented various designs for vertical cavity surface emitting lasers. One notable patent describes a VCSEL that features a first laminate comprising first and second semiconductor layers with differing aluminum compositions. This invention highlights a sophisticated current confinement structure that enhances the laser's performance. Another patent outlines a method for fabricating a VCSEL, incorporating a supporting base and a post with distributed Bragg reflecting regions, designed to optimize the laser's efficiency and functionality.

Career Highlights: Throughout his career, Yutaka Onishi has worked with esteemed companies, including Sumitomo Electric Industries Limited and Sato Kogyo Co., Ltd. His experience in these organizations has contributed significantly to his expertise and understanding of semiconductor technologies.

Collaborations: Onishi's innovative work has been further enriched through collaborations with talented individuals such as Naoko Konishi and Hideki Yagi. These partnerships have allowed for the exchange of knowledge and ideas, fostering advancements in laser technologies.

Conclusion: Yutaka Onishi's dedication to innovation in the field of vertical cavity surface emitting lasers has positioned him as a leading figure among inventors in Japan. His numerous patents reflect not only his technical acumen but also his commitment to advancing optoelectronic devices that play a crucial role in modern communication systems.

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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