Nagano, Japan

Kazuhiro Toriumi

This inventor holds 3 USPTO granted patents. Top assignees: Citizen Holdings Company, Ltd., The Furukawa Electric Co., Ltd.. Active years: 2004-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Toriumi. Retrieved from https://idiyas.com/inventor/kazuhiro-toriumi-r2zuompe

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


% Patents Active = 33.3

Average Co-Inventor Count = 3.9

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2004-2015

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3 patents (USPTO):Explore Patents

Title: The Innovative Mind of Kazuhiro Toriumi

Introduction

Kazuhiro Toriumi, an accomplished inventor from Nagano, Japan, has made significant strides in the field of optical and piezoelectric technology. With three patents to his name, his work reflects a commitment to innovation and an understanding of complex engineering principles.

Latest Patents

Among his latest contributions, the optical module and method for fabricating an optical module stands out. This invention features a sophisticated design that includes a sub-substrate composed of a support layer, an active layer, a BOX layer interposed between the support and active layers, and a height adjusting layer. The optical module also integrates an optical fiber fixed to a fixing groove, ensuring optical coupling with a silicon substrate. This innovative configuration enhances the efficiency and functionality of optical devices.

In addition to his work in optical technology, Toriumi has also patented a package structure for a piezoelectric device. This design incorporates a piezoelectric vibration element housed within a package. The vibration element is structured with two stick-like vibration legs, a central leg, and a coupling portion. A carefully devised protrusion prevents interference with the driving legs, thereby improving the device's insulation and reliability by reducing short-circuits among conductive electrodes.

Career Highlights

Kazuhiro Toriumi has garnered valuable experience at prominent companies, including Citizen Holdings Company, Ltd. and The Furukawa Electric Co., Ltd. His work in these organizations has paved the way for his innovative contributions to technology.

Collaborations

Throughout his career, Toriumi has collaborated with notable professionals, including Taichi Tsuchiya and Koji Morimoto. Their teamwork has undoubtedly contributed to the development of important technological advancements in their respective fields.

Conclusion

Kazuhiro Toriumi's inventive spirit and dedication to advancing technology are evident in his patents. His contributions to optical modules and piezoelectric devices underscore his position as a leading figure in innovation. As technology continues to evolve, Toriumi's work will likely leave a lasting impact on the industry.

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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