Tomotaka Horikawa

This inventor holds 8 USPTO granted patents. Top assignees: Minebea Company, Limited, Minebea Mitsumi Inc.. Active years: 2014-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomotaka Horikawa. Retrieved from https://idiyas.com/inventor/tomotaka-horikawa

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

USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 10(Granted Patents)

Location History:

Nagano, JP (2015)
Fukuroi, JP (2014 - 2018)
Hamamatsu, JP (2021)

Company Filing History:

6 out of 1,160

Minebea Company, Limited

Years Active: 2014-2025

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8 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12265246 - Planar illumination device (2025-04-01),

2. 11152541 - Substrate and planar illumination device (2021-10-19),

3. 10028382 - Planar lighting device and mounting substrate including conduction pattern with extension parts (2018-07-17),

4. 9383086 - Planar lighting device and mounting substrate including conduction pattern with extension parts (2016-07-05),

5. 9158056 - Light spreading illumination apparatus having a light guide with inclined portion having at least one pedestal and a light blocking member disposed thereon (2015-10-13),

6. 8992064 - Planar illumination device and method of producing same (2015-03-31),

7. 8894264 - Spread illuminating apparatus (2014-11-25),

8. 8801262 - Spread illuminating apparatus (2014-08-12),

Title: Tomotaka Horikawa: Innovator in Planar Illumination Technology

Introduction

Tomotaka Horikawa is a notable inventor based in Fukuroi, Japan. He has made significant contributions to the field of illumination technology, holding a total of 8 patents. His innovative designs focus on enhancing the efficiency and functionality of lighting systems.

Latest Patents

One of his latest patents is a planar illumination device. This device includes a light guide plate that emits light from one of its principal surfaces. It features a plurality of light sources arranged along the light incident side surface, which emit light that is then diffused by irregularities on the surface of the light guide plate. Another significant patent is a substrate designed to bond with light source terminals via solder. This substrate includes land portions that are cut to match the shape of the corresponding terminals, ensuring a secure connection.

Career Highlights

Throughout his career, Tomotaka Horikawa has worked with prominent companies such as Minebea Company, Limited and Minebea Mitsumi Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Tomotaka has collaborated with talented individuals in his field, including Shohei Takada and Makoto Furuta. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tomotaka Horikawa's work in planar illumination technology showcases his dedication to innovation and excellence. His patents reflect a deep understanding of light manipulation and design, making him a significant figure in the 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]