Yokohama, Japan

Tadashi Enomoto

This inventor holds 23 USPTO granted patents and 2 EPO patents, primarily in Optical Fiber Technology. Top assignees: Sumitomo Electric Industries, Limited, Kabushiki Kaisha Toshiba. Active years: 1994-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Enomoto. Retrieved from https://idiyas.com/inventor/tadashi-enomoto

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


% Patents Active = 91.3


Average Co-Inventor Count = 3.0

ph-index = 6

Forward Citations = 275(Granted Patents)


Location History:

  • Kawasaki, JP (1995)
  • Kanagawa, JP (2003 - 2006)
  • Yokohama, JP (1994 - 2019)

Company Filing History:


Years Active: 1994-2025

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Areas of Expertise:
Optical Fiber
Grating Device
Multimode Fiber
Optical Amplifier
Glass Preform
Optical Waveguide
Burner Synthesis
Porous Glass
Fiber Production
Colored Microlens
Heating Furnace
Dehydration Apparatus
23 patents (USPTO):Explore Patents

Title: The Innovative Journey of Tadashi Enomoto: A Pioneer in Optical Fiber Technology

Introduction: Tadashi Enomoto, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of optical fiber technology. With an impressive portfolio of 22 patents, Enomoto's work has been pivotal in advancing the capabilities and applications of optical fibers.

Latest Patents: Among his latest innovations is a patent focused on an optical fiber with a unique structure. This fiber features a primary coating layer and a secondary coating layer formed around a bare optical fiber that includes a core and cladding. Notably, the primary coating layer exhibits a Young's modulus ranging from 0.1 to 1.0 MPa. Additionally, the relationship between lateral rigidity (D) and flexural rigidity (H) satisfies the formula D/H ≤ 3 × 10 Nm. The primary coating contains 0.3 to 2.0 wt % of a photoinitiator, along with polypropylene glycol of specific molecular weights. Another significant patent pertains to a multimode optical fiber designed to enhance bandwidth over a wider wavelength range, improving the manufacturing process of the refractive index profile in the core.

Career Highlights: Enomoto has garnered extensive experience at renowned companies such as Sumitomo Electric Industries, Limited and Toshiba Corporation. His tenure at these organizations has contributed to both his personal development and the growth of optical fiber technology.

Collaborations: Throughout his career, Tadashi Enomoto has collaborated with esteemed colleagues, including Yuichi Ohga and Shinji Ishikawa. These collaborations have further enriched the innovation landscape of optical fiber technology.

Conclusion: In summary, Tadashi Enomoto's contributions to the optical fiber industry have been transformative. With his inventive spirit and technological insights, he continues to shape the future of communication systems through his numerous patents and collaborations. His work not only highlights the potential of optical fibers but also sets a benchmark for future innovations in this pivotal 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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