Tokyo, Japan

Kenji Iizumi

This inventor holds 36 USPTO granted patents and 9 published patent applications and 1 EPO patent, primarily in Fiber Optic Connectors. Top assignees: Senko Advanced Components, Inc., Nitto-Denko Corporation. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Iizumi. Retrieved from https://idiyas.com/inventor/kenji-iizumi

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

USPTO Granted Patents = 36 

% Patents Active = 88.9

 

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 113(Granted Patents)


Location History:

  • Marlborough, MA (US) (2016 - 2017)
  • Hong Kong, CN (2017 - 2019)
  • Tokyo, JP (2019 - 2024)

Company Filing History:


Years Active: 2016-2026

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Areas of Expertise:
Optical Fiber Connector
Multifiber Ferrule
Field Terminated Connector
Micro Connector
Data Transmission
Sealable Assemblies
Retention Assembly
Dust Shutter
Adjustable Polarity
Outdoor Rated Assembly
Cleaning Stick Guide
Narrow Width Connector
36 patents (USPTO):Explore Patents

Title: Kenji Iizumi: Innovator in Fiber Optic Technology

Introduction

Kenji Iizumi, an accomplished inventor based in Tokyo, Japan, has made significant strides in the field of fiber optics with a remarkable portfolio of 33 patents. His innovative work focuses on developing more efficient and compact fiber optic connectors, which play a crucial role in modern communication technologies.

Latest Patents

One of Iizumi's latest patents is a **fiber optical connector with reduced size**. This advanced connector features a small form factor, accommodating a single-body housing that supports two ferrules protruding from the front. The design includes a back housing and springs that ensure the ferrules move forward for efficient connection. Additionally, the housing comprises a latch arm that securely holds the connector in place during mating with an adapter.

Another notable invention is the **field terminated fiber optic connector**, which is specifically designed for use with polymer optical fibers. This connector integrates a housing that connects easily to other optical devices and includes a mechanical termination assembly that efficiently terminates multiple individual fibers.

Career Highlights

Throughout his career, Kenji Iizumi has contributed to various prestigious companies, including Senko Advanced Components, Inc. and Nitto Denko Corporation. His expertise in fiber optics has not only advanced product designs but has also influenced the broader industry.

Collaborations

Iizumi has collaborated with talented professionals, including peers like Kazuyoshi Takano and Man Ming Ho. These partnerships have fostered an environment of innovation and creativity, resulting in groundbreaking advancements in fiber optic technology.

Conclusion

Kenji Iizumi stands out as a pioneering inventor in the realm of fiber optics. With his continuous contributions and innovative patents, he is well-positioned to influence the future of optical communication technology. His work ensures that the industry is equipped with smaller, more efficient connectors that meet the demands of modern connectivity.

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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