Kouka, Japan

Kouhei Yamaguchi

This inventor holds 15 USPTO granted patents and 10 EPO patents, primarily in Laminated Glass Technology. Top assignee: Sekisui Chemical Co., Ltd.. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouhei Yamaguchi. Retrieved from https://idiyas.com/inventor/kouhei-yamaguchi

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 = 3.4

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Kouka, JP (2017 - 2022)
  • Koka, JP (2024)

Company Filing History:


Years Active: 2017-2025

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Areas of Expertise:
Laminated Glass
Interlayer Film
Manufacturing Method
Plastic Sheet
Intermediate Film
Fitting Method
Glass Sheet
Laminated-Glass Interlayer
15 patents (USPTO):Explore Patents

Title: Kouhei Yamaguchi: Innovator in Laminated Glass Technology

Introduction

Kouhei Yamaguchi is a prominent inventor based in Kouka, Japan, known for his significant contributions to the field of laminated glass technology. With a total of 15 patents to his name, Yamaguchi has made remarkable advancements that enhance the performance and functionality of laminated glass products.

Latest Patents

Among his latest innovations are patents for an intermediate film for laminated glass and a method for fitting laminated glass. The interlayer film he developed is notable for its high heat shielding properties. This innovative film includes an infrared ray reflection layer that effectively reflects infrared rays. Additionally, it features a first resin layer containing a thermoplastic resin on one side of the infrared ray reflection layer, and a second resin layer on the opposite side, which also contains a thermoplastic resin. Notably, the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher by 10% or more than that of the second resin layer.

Career Highlights

Kouhei Yamaguchi is currently associated with Sekisui Chemical Co., Ltd., a leading company in the chemical industry. His work at Sekisui has allowed him to focus on developing innovative solutions that address the needs of modern construction and automotive industries.

Collaborations

Throughout his career, Yamaguchi has

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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