Kirishima, Japan

Hitoshi Nakakubo

This inventor holds 3 USPTO granted patents and 3 EPO patents. Top assignee: Kyocera Corporation. Active years: 2011-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Nakakubo. Retrieved from https://idiyas.com/inventor/hitoshi-nakakubo

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


% Patents Active = 66.7

 

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Kagoshima, JP (2011)
  • Kirishima, JP (2019)

Company Filing History:


Years Active: 2011-2019

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3 patents (USPTO):Explore Patents

Title: Hitoshi Nakakubo: Innovator in Piezoelectric Ceramics

Introduction

Hitoshi Nakakubo is a prominent inventor based in Kirishima, Japan. He has made significant contributions to the field of piezoelectric ceramics, holding a total of 3 patents. His work focuses on developing advanced materials that enhance the performance of electronic components.

Latest Patents

Nakakubo's latest patents include innovative designs for piezoelectric ceramic plates and manufacturing methods. One of his notable inventions is a piezoelectric ceramic plate that is slightly deformed by firing. This plate features a plate-shaped substrate and an electronic component, designed to have specific dimensions that ensure optimal performance. The piezoelectric ceramic plate is particularly effective when it has an area of each main surface of 360 mm or more and a thickness of 150 µm or less. Another patent details a piezoelectric ceramic that includes a plurality of crystal grains, specifically a lead zirconate titanate-type crystal containing zinc and bismuth. This invention aims to create electronic components with minimal warp or deformation, even when thin.

Career Highlights

Hitoshi Nakakubo is associated with Kyocera Corporation, a leading company in the field of advanced ceramics and electronic components. His work at Kyocera has allowed him to push the boundaries of piezoelectric materials, contributing to the company's reputation for innovation and quality.

Collaborations

Nakakubo has collaborated with notable coworkers, including Tomonori Eguchi and Shuichi Fukuoka. Their combined expertise has fostered a creative environment that encourages the development of cutting-edge technologies in the field of ceramics.

Conclusion

Hitoshi Nakakubo's contributions to piezoelectric ceramics exemplify the importance of innovation in technology. His patents reflect a commitment to enhancing electronic components through advanced materials. His work continues to influence the industry and pave the way for future advancements.

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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