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For the Inventor, By the Inventor

Yachiyo, Japan

Hisayoshi Ueoka

This inventor holds 7 USPTO granted patents. Top assignee: Tdk Electronics Company, Limited. Active years: 1977-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisayoshi Ueoka. Retrieved from https://idiyas.com/inventor/hisayoshi-ueoka

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 4.7

ph-index = 5

Forward Citations = 61(Granted Patents)


Location History:

  • Ichikawa, JA (1977)
  • Tokyo, JA (1978)
  • Tokyo, JP (1979)
  • Yachiyo, JP (1980 - 1981)

Company Filing History:

goldMedal7 out of 333 
 
Tdk Electronics Company, Limited
 patents

Years Active: 1977-1981

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7 patents (USPTO):Explore Patents
1. 4287075 - High dielectric constant type ceramic composition consisting essentially (1981-09-01),
2. 4235635 - High dielectric constant type ceramic composition (1980-11-25),
3. 4216103 - High dielectric constant type ceramic composition consisting essentially (1980-08-05),
4. 4216102 - High dielectric constant type ceramic composition consisting essentially (1980-08-05),
5. 4160748 - Non-linear resistor (1979-07-10),
6. 4077915 - Non-linear resistor (1978-03-07),
7. 4022716 - Semiconducting ceramics containing vanadium oxide (1977-05-10),

Title: Hisayoshi Ueoka: Innovator in Ceramic Composition

Introduction

Hisayoshi Ueoka is a prominent inventor based in Yachiyo, Japan. He has made significant contributions to the field of ceramic materials, particularly in developing high dielectric constant ceramic compositions. With a total of 7 patents to his name, Ueoka's work has advanced the understanding and application of ceramics in various industries.

Latest Patents

Ueoka's latest patents include a novel ceramic composition that exhibits a solid solution structure of Pb(Fe.sub.1/2 Nb.sub.1/2)O.sub.3 -Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 -Pb(Mg.sub.1/2 W.sub.1/2)O.sub.3. This composition can be sintered at a low temperature, possesses high insulation resistance, and demonstrates a relatively high dielectric constant. Additionally, it features low dielectric loss, making it suitable for high dielectric type ceramic dielectrics. The composition also includes specific additives such as Pb-(Mn.sub.2/3 W.sub.1/3)O.sub.3 and Li.sub.2 O, which enhance its properties. Another significant patent involves a ceramic composition with a solid solution structure of Pb(Fe.sub.2/3 W.sub.1/3)O.sub.3 --Pb(ZrO.sub.3), which similarly can be sintered at low temperatures and exhibits high insulation resistance and low dependence of dielectric constant upon temperature.

Career Highlights

Ueoka is currently employed at TDK Electronics Company, Limited, where he continues to innovate in the field of ceramics. His work has not only contributed to the company's advancements but has also positioned him as a key figure in ceramic research and development.

Collaborations

Ueoka has collaborated with notable coworkers such as Shinobu Fujiwara and Kiyoshi Furukawa. Their combined expertise has fostered a productive environment for innovation and development in ceramic technologies.

Conclusion

Hisayoshi Ueoka's contributions to ceramic compositions have significantly impacted the field, showcasing his dedication to innovation and excellence. His work continues to inspire advancements in materials science and engineering.

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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