Atsugi, Japan

Kazuo Fujiura

This inventor holds 26 USPTO granted patents, plus 5 CIPO patents and 9 EPO patents, primarily in Optical Devices. Top assignees: Nippon Telegraph and Telephone Corporation, Hamamatsu-Photonics K.k., Ntt Advanced Technology Corporation. Active years: 1991-2019.

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

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


% Patents Active = 80.8



Average Co-Inventor Count = 5.8

ph-index = 6

Forward Citations = 81(Granted Patents)


Location History:

  • Ibaraki, JP (2004)
  • Mito, JP (1991 - 2006)
  • Kanagawa, JP (2008)
  • Tokyo, JP (2010)
  • Atsugi, JP (2007 - 2015)
  • Kawasaki, JP (2019)

Company Filing History:


Years Active: 1991-2019

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Areas of Expertise:
Swept Light Source
Electrooptic Device
Optical Fiber
Variable-Focal Length Lens
Spectroscope
Optical Switch
Optical Modulator
Wavelength Converter
Optical Waveguide
Crystal Production
Optical Medium
Fluoride Glass
26 patents (USPTO):Explore Patents

Title: Innovations by Kazuo Fujiura: A Trailblazer in Photonics

Introduction

Kazuo Fujiura, an influential inventor based in Atsugi, Japan, has made significant contributions to the field of photonics, holding a remarkable total of 26 patents. His innovative work reflects the intersection of technology and creativity, driving advancements in optical systems and crystal production.

Latest Patents

Among his latest patents is a revolutionary device titled "Swept light source and method for controlling the same." This patent describes a sophisticated swept light source that utilizes a wavelength filter made from a diffraction grating and an end mirror, configured as part of a laser cavity. The method incorporates a control voltage source that outputs a drive voltage, allowing for precise wavelength sweeping through the manipulation of an electric field.

Another notable patent is for an "Apparatus for producing crystals." This invention addresses the production of high-quality crystals by optimizing the temperature conditions in the vicinity of a seed crystal. The apparatus features a temperature controller that can locally heat or cool the area around a seed crystal placed in a crucible, thus enhancing the yield and quality of the produced crystals.

Career Highlights

Kazuo Fujiura's career includes valuable experience with prominent companies such as Nippon Telegraph and Telephone Corporation and Hamamatsu Photonics K.K. His work at these organizations has undoubtedly influenced his inventive process, allowing him to develop technologies that have broad applications in various industries.

Collaborations

Throughout his career, Fujiura has collaborated with talented individuals in the field, including coworkers Tadayuki Imai and Masahiro Sasaura. Their combined expertise has contributed to the success of several key innovations and has fostered a collaborative environment for developing new technologies.

Conclusion

Kazuo Fujiura stands out as a pivotal inventor whose work has significantly impacted the world of photonics. His 26 patents illustrate a commitment to innovation and excellence, providing essential advancements in both light source technology and crystal production. As technology continues to evolve, Fujiura's contributions will likely serve as a foundation for future inventions in the field.

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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