Ibaraki, Japan

Naoyuki Tanaka

This inventor holds 27 USPTO granted patents and 8 published patent applications, primarily in Opto-Electric Hybrid Boards. Top assignee: Nitto-Denko Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Tanaka. Retrieved from https://idiyas.com/inventor/naoyuki-tanaka

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

USPTO Granted Patents = 27 

% Patents Active = 74.1

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 35(Granted Patents)


Location History:

  • Ibaraki, JP (2013 - 2022)
  • Osaka, JP (2018 - 2022)

Company Filing History:


Years Active: 2013-2025

Loading Chart...
Areas of Expertise:
Opto-Electric Hybrid Board
Optical Waveguide
Photosensitive Epoxy Resin
Optical Sensor
Connector Kit
Hybrid Flexible Printed Wiring Board
Optical Circuit Board
Manufacturing Method
27 patents (USPTO):Explore Patents

Title: Innovations by Naoyuki Tanaka in Optical Technologies

Introduction

Naoyuki Tanaka is a prominent inventor based in Ibaraki, Japan, known for his contributions to the field of optical technologies. With a remarkable portfolio of 26 patents, Tanaka has made significant strides in developing advanced materials and systems that enhance optical waveguide technologies.

Latest Patents

Among his recent patents, Tanaka has focused on a range of innovations, including a photosensitive epoxy resin composition for the formation of optical waveguides. This composition consists of an epoxy resin component combined with a photo-cationic polymerization initiator. Specifically, it includes:

- A solid bisphenol-A epoxy resin with a softening point not exceeding 105°C.

- A solid polyfunctional aliphatic epoxy resin likewise with a softening point not exceeding 105°C.

- A liquid long-chain bifunctional semi-aliphatic epoxy resin.

The proportions of these components are meticulously balanced, with epoxy resin (a) making up 60 to 70 wt. %, (b) comprising 20 to 35 wt. %, and (c) at 5 to 10 wt. % based on the total weight of the epoxy resin component.

Additionally, Tanaka has developed a hybrid flexible printed wiring board for optical and electrical transmission. This opto-electric hybrid board integrates an optical waveguide and an electric circuit board, designed for efficient mounting on a connector with a bottom wall. The optical waveguide in this innovative design features an under clad layer, a core layer, and an over clad layer, ensuring excellent structural integrity and performance.

Career Highlights

Naoyuki Tanaka currently works for Nitto Denko Corporation, where he has been instrumental in advancing optical technologies and materials. His innovative efforts have led to numerous patents that stand at the forefront of optical waveguide applications.

Collaborations

Collaboration has been key to Tanaka's success in his field. He has worked closely with renowned colleagues such as Yuichi Tsujita and Yasuto Ishimaru, enhancing the collaborative spirit that drives innovation within their projects.

Conclusion

In conclusion, Naoyuki Tanaka continues to be a leading figure in the development of optical technologies through his vast patent portfolio and collaborative efforts. His inventions not only reflect cutting-edge advancements but also pave the way for future innovations in the field of optical waveguides, marking a significant impact on the technology landscape.

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]
Loading…