Nagoya, Japan

Hirochika Nakajima

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirochika Nakajima. Retrieved from https://idiyas.com/inventor/hirochika-nakajima-0nm4oouh

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 28(Granted Patents)


Company Filing History:

goldMedal1 out of 834,659 
Other
 patents

Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Hirochika Nakajima: Innovator in Optical Waveguide Technology

Introduction

Hirochika Nakajima is a prominent inventor based in Nagoya-shi, Aichi-ken, Japan. He has made significant contributions to the field of optical waveguide technology. His innovative work has led to the development of a unique substrate with an optical waveguide, showcasing his expertise and creativity in this specialized area.

Latest Patents

Hirochika Nakajima holds 1 patent for his invention titled "Substrate with optical waveguide and method of making the same." This patent describes a substrate that features a through hole and two sides. It includes a first optical waveguide that extends linearly between both sides of the substrate and a second optical waveguide defined on at least one of the sides. Additionally, the invention incorporates direction-changing means to alter the transmitting direction of light signals between the optical waveguides. Each optical waveguide consists of a core layer for transmitting light signals and a clad layer surrounding the core layer.

Career Highlights

Throughout his career, Hirochika Nakajima has demonstrated a strong commitment to advancing optical technology. His innovative approach has positioned him as a key figure in the development of optical waveguides. His work not only enhances the functionality of optical systems but also contributes to the broader field of photonics.

Collaborations

Hirochika Nakajima has collaborated with notable colleagues, including Hikoharu Aoki and Takaaki Ushiki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hirochika Nakajima's contributions to optical waveguide technology exemplify his dedication to innovation. His patent reflects a significant advancement in the field, and his collaborations further enhance the impact of his work. His achievements continue to inspire future developments in optical technology.

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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