Tokyo, Japan

Kazuo Haraoka

This inventor holds 12 USPTO granted patents. Top assignees: Sony Corporation, Information Broadcasting Laboratories, Inc., Other. Active years: 2004-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Haraoka. Retrieved from https://idiyas.com/inventor/kazuo-haraoka

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


% Patents Active = 58.3

Average Co-Inventor Count = 5.4

ph-index = 4

Forward Citations = 61(Granted Patents)


Location History:

  • Kanagawa, JP (2006 - 2008)
  • Tokyo, JP (2004 - 2013)

Company Filing History:


Years Active: 2004-2013

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12 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kazuo Haraoka

Introduction

Kazuo Haraoka, based in Tokyo, Japan, is a distinguished inventor renowned for his significant contributions to optical technology. With a remarkable portfolio of 12 patents, Haraoka has consistently pushed the boundaries of innovation in his field.

Latest Patents

Haraoka's latest inventions include an optical selector switch and a signal-processing apparatus. The optical selector features an innovative design with an optical waveguide, integrating a first light guide section with a differing refractive index. This design also incorporates a reflector positioned on both surfaces of the light guide sections. Accompanied by laser diodes and photodetectors, this optical selector facilitates efficient light emission and detection.

His signal-processing apparatus enables the recognition of an unknown substrate that is connected to the optical waveguide. This system allows light input from various points on the outer circumference of the optical waveguide, outputting information based on positional relationships. This technology is advanced by master and slave substrates designed to enhance signal sending and receiving processes.

Career Highlights

Haraoka has held influential positions at notable organizations such as Sony Corporation and Information Broadcasting Laboratories, Inc. These experiences have allowed him to collaborate with leading minds in the industry and to refine his innovative concepts.

Collaborations

During his career, Haraoka worked alongside esteemed colleagues, including Yasuaki Yamagishi and Yoshihisa Gonno. These collaborations not only fostered creative synergy but also contributed to the impactful developments in optical technology.

Conclusion

Kazuo Haraoka’s contributions to optical technology exemplify the spirit of innovation. With his impressive patent portfolio and collaborations, he continues to inspire future generations of inventors seeking to make breakthroughs in technology and design. His work embodies the essence of engineering ingenuity, showcasing how innovation can drastically transform industries.

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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