Higashiosaka, Japan

Kiyoyuki Esashi

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Hybrid Technologies Co., Ltd., Shingijutsu Kaihatsu Jigyodan, Sumitomo Special Metals Co., Ltd.. Active years: 1982-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoyuki Esashi. Retrieved from https://idiyas.com/inventor/kiyoyuki-esashi

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 = 1.6

ph-index = 4

Forward Citations = 62(Granted Patents)


Company Filing History:


Years Active: 1982-1991

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5 patents (USPTO):Explore Patents

Title: Kiyoyuki Esashi: Innovator in Ceramic Metallization

Introduction

Kiyoyuki Esashi is a prominent inventor based in Higashiosaka, Japan. He has made significant contributions to the field of ceramic metallization, holding a total of 5 patents. His innovative work focuses on enhancing the bonding strength of metallized layers on ceramic surfaces.

Latest Patents

Esashi's latest patents include a composition for and method of metallizing ceramic surfaces. One notable patent discloses a composition that consists essentially of 10.0 to 32.5% by weight of manganese (Mn), 45.0 to 67.5% by weight of tungsten (W), and a combination of silver (Ag) and nickel (Ni) in a total amount of 15.0 to 35.0% by weight. This composition can be applied to ceramic surfaces in the form of a metal paste or powder and is heat-fusion-bonded to the ceramic surface. Another patent describes a metallizing composition that includes nickel (Ni), niobium (Nb), chromium (Cr), carbon (C), silicon (Si), zirconium (Zr), silicon carbide (SiC), and tungsten (W). This composition is designed for use with ceramics such as silicon nitride (Si₃N₄) and high purity alumina, forming a metallized layer with excellent bonding strength.

Career Highlights

Throughout his career, Kiyoyuki Esashi has worked with notable companies, including Shingijutsu Kaihatsu Jigyodan and Nippon Hybrid Technologies Co., Ltd. His work has significantly advanced the field of ceramic materials and their applications in various industries.

Collaborations

Esashi has collaborated with esteemed colleagues, including Tsuyoshi Masumoto and Masateru Nose. Their combined expertise has contributed to the development of innovative solutions in ceramic metallization.

Conclusion

Kiyoyuki Esashi's contributions to the field of ceramic metallization have established him as a key figure in innovation. His patents reflect a commitment to enhancing the performance and durability of ceramic materials.

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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