Sakura, Japan

Tomoharu Kitabayashi

This inventor holds 19 USPTO granted patents and 3 published patent applications and 5 EPO patents, primarily in Fiber Laser Technology. Top assignees: Fujikura Limited, Fujikara Ltd.. Active years: 2003-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoharu Kitabayashi. Retrieved from https://idiyas.com/inventor/tomoharu-kitabayashi

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 57.9

 

Average Co-Inventor Count = 1.5

ph-index = 4

Forward Citations = 83(Granted Patents)


Location History:

  • Chiba, JP (2013 - 2015)
  • Sakura, JP (2003 - 2023)

Company Filing History:


Years Active: 2003-2023

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Areas of Expertise:
Fiber Laser
Optical Amplifier
Multiplexer
Rare Earth-Doped Fiber
Optical Fiber
Stabilizer
Optical Pumping
Polarization Maintaining
Gain Tilt Free
End Face Structure
Coupling Structure
Manufacturing Method
19 patents (USPTO):Explore Patents

Title: **Tomoharu Kitabayashi: A Pioneer in Laser Technology**

Introduction

Tomoharu Kitabayashi, based in Sakura, Japan, is a prominent inventor renowned for his contributions to the field of laser technologies. With a total of 19 patents to his name, Kitabayashi has significantly advanced innovation in optical devices and laser applications over the years.

Latest Patents

Kitabayashi's latest inventions showcase his expertise in laser technology. One notable patent is for a **laser device** which incorporates several vital components, including a light source that outputs a laser beam, an optical fiber for beam propagation, and an advanced cable coating. Furthermore, the device is equipped with disconnection and open detection lines, enhancing its operational efficiency and safety.

Another significant invention is a **fiber laser** that includes an amplification optical fiber and a pumping light source. This design efficiently emits pumping light to energize the optical fiber's active elements. The configuration features two mirrors strategically placed to optimize optical gain, maintaining a maximum gain difference of 35 dB or less between different wavelengths reflected off the mirrors. These innovations demonstrate Kitabayashi's commitment to pushing the boundaries of laser technology.

Career Highlights

Throughout his career, Tomoharu Kitabayashi has worked for esteemed companies like Fujikura Limited and Fujikara Ltd. His experience in these organizations has not only enhanced his expertise but also enabled him to collaborate with other talented professionals in the field.

Collaborations

Kitabayashi has partnered with notable colleagues such as Tetsuya Sakai and Kuniharu Himeno, contributing to numerous innovative projects. Their synergy and shared passion for technology have led to advances in laser applications that are both practical and groundbreaking.

Conclusion

Tomoharu Kitabayashi stands out as a leading figure in the field of laser technology. His portfolio of patents reflects a dedication to innovation and excellence. With continuous improvements in his designs and a collaborative spirit, Kitabayashi’s work will undoubtedly influence the future of optical devices and laser technology for years to come.

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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