Tokushima, Japan

Kazuhito Hirai

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Kaneka Corporation. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhito Hirai. Retrieved from https://idiyas.com/inventor/kazuhito-hirai

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


% Patents Active = 100.0


Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 156(Granted Patents)


Company Filing History:


Years Active: 2002

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2 patents (USPTO):Explore Patents

Title: Kazuhito Hirai: Innovator in Photovoltaic Roofing Technology

Introduction

Kazuhito Hirai is a notable inventor based in Tokushima, Japan. He has made significant contributions to the field of solar energy through his innovative roofing technologies. With a total of 2 patents, Hirai's work focuses on integrating photovoltaic modules into roofing materials, enhancing energy efficiency in buildings.

Latest Patents

Hirai's latest patents include a roofing tile designed to generate power through solar-light conversion. This roofing tile features a main body that is tilted on a roof, with a photovoltaic module securely fixed within a recess. The design includes drain ditches that facilitate the discharge of rainwater, ensuring the longevity and functionality of the roofing system. Another patent involves a photovoltaic cell module tile, which incorporates a depression to hold a photovoltaic cell module that converts solar energy into electrical energy. This innovative approach not only provides shelter but also harnesses renewable energy.

Career Highlights

Kazuhito Hirai is associated with Kaneka Corporation, a company known for its advancements in materials and energy solutions. His work has positioned him as a key player in the development of sustainable building technologies.

Collaborations

Hirai collaborates with talented individuals such as Ichiro Nakazima and Teruki Hatsukaiwa, contributing to a dynamic team focused on innovation in the energy sector.

Conclusion

Kazuhito Hirai's contributions to photovoltaic roofing technology exemplify the potential of integrating renewable energy solutions into everyday structures. His innovative designs not only address energy efficiency but also promote sustainability in construction.

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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