Annaka, Japan

Toshio Shiobara

This inventor holds 193 USPTO granted patents and 30 published patent applications and 19 EPO patents, primarily in Semiconductor Technology (CPC class 525476). Top assignees: Shin-Etsu Chemical Co., Ltd., Nippon Kayaku Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha. Active years: 1976-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Shiobara. Retrieved from https://idiyas.com/inventor/toshio-shiobara

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

USPTO Granted Patents = 193 

% Patents Active = 96.9

 

Average Co-Inventor Count = 3.1

ph-index = 18

Forward Citations = 1,232(Granted Patents)

Forward Citations (Not Self Cited) = 1,146(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Annaka, JA (1976 - 1978)
  • Usui-Gun, JP (1997 - 2010)
  • Gunma-ken, JP (1998 - 2010)
  • Gunma Pref., JP (2011)
  • Gunma, JP (1990 - 2012)
  • Chiyoda-ku, JP (2012)
  • Tokyo, JP (2010 - 2019)
  • Annaka, JP (1987 - 2024)

Company Filing History:


Years Active: 1976-2026

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Areas of Expertise:
Low Dielectric Substrate
Semiconductor Apparatus
Resin Composition
Encapsulant
Electromagnetic Wave Shielding
Silicone-Modified Epoxy
Optoelectronic Device
Light Emitting Semiconductor
Thermosetting Silicone Resin
Solar Cell Module
Surface-Mount Device
Glass Fiber Film
193 patents (USPTO):Explore Patents

Title: Toshio Shiobara: A Pioneer in High-Speed Millimeter-Wave Communication

Introduction:

Toshio Shiobara, a brilliant inventor hailing from Annaka, Japan, has left an indelible mark in the field of high-speed millimeter-wave communication. With 185 patents to his name, Shiobara's innovative solutions have significantly contributed to the advancement of this cutting-edge technology. In this article, we will explore some of his latest patents, career highlights, notable collaborations, and the lasting impact of his work.

Latest Patents:

Among Shiobara's recent patents, one of the noteworthy inventions is the "Low Dielectric Substrate for High-Speed Millimeter-Wave Communication." This invention features a unique combination of quartz glass cloth and organic resin, providing a stable and high-quality medium for the propagation of signals. By minimizing transmission loss and maintaining consistent signal propagation time, this low dielectric substrate offers unprecedented reliability for millimeter-wave communication systems.

Another remarkable innovation by Shiobara is the "Adhesive Substrate, Transfer Device Having Adhesive Substrate, and Method for Producing Adhesive Substrate." This patent introduces an adhesive substrate with a recessed and projected pattern containing electroconductive particles and an insulating resin. The adhesive layer, designed with a curved surface, enables efficient and selective picking up and quick transfer of fine chips and particles. This invention has numerous applications in various industries.

Career Highlights:

Shiobara's impressive career spans across renowned organizations that have greatly benefited from his expertise. Notably, he has worked at Shin-Etsu Chemical Co., Ltd., a pioneering chemical company specializing in semiconductor materials and silicones. His contributions to the development of advanced materials for high-frequency applications have significantly enhanced the company's portfolio.

Additionally, Shiobara has played a crucial role at Nippon Kayaku Kabushiki Kaisha, an innovative chemical manufacturer with a focus on fine chemicals and functional materials. Here, he has contributed to the development of cutting-edge adhesive substrates, showcasing his ingenuity and problem-solving abilities.

Collaborations:

Throughout his career, Shiobara has collaborated with esteemed peers who share his passion for innovation. Notable among his collaborations are Tsutomu Kashiwagi and Kazutoshi Tomiyoshi. These skilled professionals have worked alongside Shiobara, contributing their expertise and collectively pushing the boundaries of high-speed millimeter-wave communication.

Conclusion:

Toshio Shiobara's remarkable contributions to the field of high-speed millimeter-wave communication demonstrate his exceptional creativity and unwavering commitment to innovation. His numerous patents, including the low dielectric substrate and adhesive substrate, have paved the way for enhanced signal stability and improved transfer efficiency.

Through his extensive career at Shin-Etsu Chemical Co., Ltd. and Nippon Kayaku Kabushiki Kaisha, Shiobara has left an indelible mark on the industry, constantly pushing the boundaries of what is possible in high-frequency technology.

As we look to the future, it is clear that Toshio Shiobara's inventions and collaborations will continue to shape the landscape of high-speed millimeter-wave communication, opening new opportunities for advancements and breakthroughs in the field.

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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