Sagamihara, Japan

Fumiyuki Kobayashi

This inventor holds 32 USPTO granted patents, primarily in Semiconductor Packaging. Top assignees: Hitachi, Ltd., Hitachi Micro Eng. Ltd.. Active years: 1985-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiyuki Kobayashi. Retrieved from https://idiyas.com/inventor/fumiyuki-kobayashi

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 = 5.5

ph-index = 19

Forward Citations = 1,189(Granted Patents)


Location History:

  • Kanagawa, JP (1989)
  • Sagamihara, JP (1985 - 1998)
  • Sagaminara, JP (2000)

Company Filing History:


Years Active: 1985-2000

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Areas of Expertise:
Circuit Substrate
Cooling Device
Thin Film Wiring
Semiconductor Module
Thermal Conductive Members
Multilayer Ceramic Body
Electronic Apparatus
Solder Alloys
Heat Radiation Fin
Mounting Mechanism
Ceramic Composition
Power Supply Structure
32 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Fumiyuki Kobayashi

Introduction: Fumiyuki Kobayashi, an esteemed inventor based in Sagamihara, Japan, has made significant contributions to the field of materials science and electronics. With an impressive portfolio of 32 patents, Kobayashi has been a pioneering force in developing advanced ceramic compositions and circuit substrates that serve a multitude of applications in the electronics industry.

Latest Patents: Among his latest innovations are two noteworthy patents concerning ceramic circuit substrates. The first patent discusses a ceramic composition that allows for sintering at temperatures ranging from 900 to 1,050°C, which boasts a low relative dielectric constant and a thermal expansion coefficient comparable to that of silicon. This development also emphasizes high bending strength, utilizing a glass with a softening point of 850 to 1,100°C. The second patent builds on the first, focusing on a circuit substrate and electronics computer that also employs this sintering glass ceramics, illustrating the continued advancement in the functionality and efficiency of electronic components.

Career Highlights: Throughout his career, Kobayashi has worked with reputable companies, including Hitachi, Ltd. and Hitachi Micro Engineering Ltd. These experiences have honed his expertise in electronic materials, allowing him to tackle complex challenges within the industry and contribute to cutting-edge innovations. His patents reflect his commitment to improving the reliability and performance of electronic devices.

Collaborations: Kobayashi has collaborated with notable professionals in the field, including Takahiro Daikoku and Shizuo Zushi. These partnerships have fostered a collaborative environment that promotes knowledge exchange and drives innovation forward, resulting in remarkable advancements in electronics.

Conclusion: Fumiyuki Kobayashi's work exemplifies the spirit of innovation and dedication to enhancing technology in the electronics sector. His extensive patent portfolio and collaborations underscore his impact on the field, highlighting the importance of material advancements in modern electronic devices. As research in this area continues to evolve, Kobayashi's contributions will undoubtedly play a pivotal role in shaping the future of electronics.

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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