Gunma, Japan

Tetsuya Otosaka

This inventor holds 34 USPTO granted patents and 10 published patent applications and 21 EPO patents, primarily in Optical Fiber Manufacturing. Top assignee: Shin-Etsu Chemical Co., Ltd.. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Otosaka. Retrieved from https://idiyas.com/inventor/tetsuya-otosaka

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

USPTO Granted Patents = 34 

% Patents Active = 82.4

 

Average Co-Inventor Count = 1.2

ph-index = 2

Forward Citations = 16(Granted Patents)


Location History:

  • Annaka, JP (2006 - 2017)
  • Ibaraki, JP (2017 - 2020)
  • Gunma, JP (2009 - 2022)
  • Gunma-ken, JP (2010 - 2022)

Company Filing History:


Years Active: 2006-2025

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Areas of Expertise:
Optical Fiber
Porous Glass
Sintering Method
Fabrication Apparatus
Glass Rod
Elongation Method
Soot Deposition
Measurement Method
Glass Lathe
Burner Synthesization
Gripping Mechanism
Flange Fixing Structure
34 patents (USPTO):Explore Patents

Title: Tetsuya Otosaka: Innovating Optical Fiber Technology

Introduction

Tetsuya Otosaka, a prominent inventor hailing from Gunma, Japan, has made significant contributions to the field of optical fiber technology. With a remarkable portfolio consisting of 33 patents, Otosaka stands out as a leading innovator in manufacturing methods for optical materials.

Latest Patents

Among his latest advancements, Otosaka has developed a wire-drawing optical fiber base material manufacturing method and apparatus. This technique involves heating an optical fiber base material with a heater to create a drawing shape portion at its end. A notable aspect of this method is the integration of a flow-regulating member that inhibits the formation of a gas flow containing silicon compounds, allowing for precise shaping of the fiber material. Another significant patent includes a fabrication method for porous glass base material for optical fibers. This method innovatively adjusts the orientation of a clad forming burner during the deposition of glass fine particles, ensuring that the outer diameter of the porous glass meets the required specifications at precise timings.

Career Highlights

Otosaka's affiliation with Shin-Etsu Chemical Co., Ltd. has positioned him at the forefront of optical fiber advancements. His dedication to research and innovation has not only fostered significant technological progress but has also led to new manufacturing techniques that enhance the production of optical fibers.

Collaborations

Within his career, Otosaka has collaborated with esteemed colleagues such as Dai Inoue and Hiroshi Oyamada. These partnerships have promoted a synergistic environment where innovative ideas can flourish and new patents can emerge.

Conclusion

Tetsuya Otosaka's work exemplifies the spirit of innovation in the optical fiber industry. As his latest patents demonstrate, his contributions are not only pivotal to advancements in technology but also play a crucial role in shaping the future of optical materials. His expertise continues to inspire the next generation of inventors in this evolving 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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