Kagoshima, Japan

Yoshihiro Kohara

This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignees: Yej Glass Co., Ltd., Ambro Co., Ltd., Yamato Electronic Co., Ltd.. Active years: 2014-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Kohara. Retrieved from https://idiyas.com/inventor/yoshihiro-kohara-5ooqbg0d

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

Calculating rank

% Patents Active = 66.7

 

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2014-2020

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3 patents (USPTO):Explore Patents

Title: The Innovations of Yoshihiro Kohara: A Pioneer in Glass Technology

Introduction

Yoshihiro Kohara, an innovative inventor based in Kagoshima, Japan, has made significant contributions to the field of glass technology with his impressive portfolio of patented inventions. With a total of three patents to his name, Kohara's work focuses on developing advanced glass materials with enhanced properties for various applications.

Latest Patents

Kohara's most recent patents showcase his dedication to creating innovative glass solutions. One of his key inventions is the "Fluorinated tin-based glass frit and method for manufacturing same." This super low melting SnO—SnF2—P2O5-based glass frit can be fired at temperatures of 200°C or less. It boasts remarkable water resistance and transparency, containing specific molar percentages of its components, including 30 to 70% of SnF2 and a glass transition point of 160°C or lower. The frit also exhibits a visible light transmission rate of 80% or more, making it highly suitable for various applications.

Another noteworthy patent is the "Vanadium-based glass material for local heat sealing, flat display using the same, and method for manufacturing the display." This invention focuses on a vanadium-based glass material for local heat sealing with a unique glass composition that avoids the use of lead and phosphorus. This innovation opens up new opportunities in flat display technology.

Career Highlights

Throughout his career, Yoshihiro Kohara has held key positions in reputable companies, including Yej Glass Co., Ltd. and Yamato Electronic Co., Ltd. His experience in these organizations has contributed to his development of advanced glass materials and methods, enabling him to stand out as a leading inventor in his field.

Collaborations

Kohara has collaborated with notable colleagues, including Seungwoo Lee and Yoshinari Takao, who have contributed to the enhancement and expansion of his innovative projects. These partnerships have played a significant role in the successful development of his patented inventions, showcasing the importance of teamwork and collaboration in research and development.

Conclusion

Yoshihiro Kohara's contributions to the field of glass technology are a testament to his expertise and innovative mindset. With his latest patents addressing critical challenges in glass manufacturing and application, he continues to pave the way for advancements in the industry. Kohara's work not only showcases his inventiveness but also highlights the importance of collaboration and continuous innovation in creating solutions for modern engineering challenges.

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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