Kawasaki, Japan

Masamitsu Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Showa Electric Wire & Cable Co., Ltd.. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masamitsu Yamaguchi. Retrieved from https://idiyas.com/inventor/masamitsu-yamaguchi-0n4gy415

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: Masamitsu Yamaguchi: Innovator in Optical Fiber Technology

Introduction

Masamitsu Yamaguchi is a prominent inventor based in Kawasaki, Japan. He is known for his significant contributions to the field of optical fiber technology. His innovative work has led to the development of a unique optical fiber designed to enhance the attenuation of optical signals.

Latest Patents

Yamaguchi holds a patent for an optical fiber that effectively attenuates optical signals. The invention aims to provide a flat attenuation amount across a wide wavelength range. This is achieved by incorporating at least two types of dopants in both the core and cladding of the optical fiber. The patent details the careful adjustment of the type and concentration of these dopants to manufacture the optical fiber. The dopants selected include transitional metals such as Co, Ni, Cr, V, Fe, Mn, Tb, and Tm. The design allows for the absorption of optical signals to vary with wavelength, enhancing the fiber's performance.

Career Highlights

Yamaguchi has made significant strides in his career, particularly through his work at Showa Electric Wire & Cable Co., Ltd. His expertise in optical fiber technology has positioned him as a key figure in the industry. With a total of 1 patent, he continues to push the boundaries of innovation in this field.

Collaborations

Yamaguchi has collaborated with notable colleagues, including Gen Tanimoto and Kentaro Nouchi. Their combined efforts have contributed to advancements in optical fiber technology and have fostered a collaborative environment for innovation.

Conclusion

Masamitsu Yamaguchi's contributions to optical fiber technology exemplify the spirit of innovation. His patented work not only enhances the performance of optical fibers but also showcases the importance of collaboration in advancing technology. His ongoing efforts continue to inspire future developments 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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