Sakura, Japan

Masayoshi Yamanaka

This inventor holds 16 USPTO granted patents, plus 1 CIPO patent and 7 EPO patents. Top assignees: Fujikura Limited, Nippon Telegraph and Telephone Corporation, Other. Active years: 1996-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Yamanaka. Retrieved from https://idiyas.com/inventor/masayoshi-yamanaka

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


% Patents Active = 75.0


 

Average Co-Inventor Count = 4.9

ph-index = 5

Forward Citations = 87(Granted Patents)


Location History:

  • Chiba-ken, JP (1996)
  • Yachiyo, JP (2016)
  • Sakura, JP (2004 - 2019)
  • Chiba, JP (2018 - 2019)

Company Filing History:


Years Active: 1996-2019

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16 patents (USPTO):Explore Patents

Title: Masayoshi Yamanaka: Innovator in Optical Fiber Technology

Introduction

Masayoshi Yamanaka is a prominent inventor based in Sakura, Japan. He has made significant contributions to the field of optical fiber technology, holding a total of 16 patents. His innovative work has paved the way for advancements in communication and data transmission.

Latest Patents

Yamanaka's latest patents include an optical fiber unit and an optical fiber cable. The optical fiber unit consists of an optical fiber bundle formed by bundling multiple optical fibers, along with several bundling members. One of the bundling members is wound around the outer circumference of the optical fiber bundle in a lengthwise direction, alternating the winding direction. This member is joined to another bundling member at the point where the winding direction changes. Notably, the ratio of the width of the cross-section of the bundling member to its thickness is less than 20. Additionally, he has developed a method and device for producing the optical fiber unit, which involves winding at least two bundling members around the optical fiber bundle and fusion-bonding them at their intersection points.

Career Highlights

Throughout his career, Yamanaka has worked with notable companies, including Fujikura Limited. His expertise in optical fiber technology has been instrumental in the development of innovative solutions in the industry.

Collaborations

Yamanaka has collaborated with several professionals in his field, including Naoki Okada and Ken Osato. These partnerships have contributed to the advancement of optical fiber technology and the successful implementation of his inventions.

Conclusion

Masayoshi Yamanaka's contributions to optical fiber technology are significant and impactful. His innovative patents and collaborations highlight his role as a leading inventor in this 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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