Hachioji, Japan

Tomonao Kawashima

This inventor holds 18 USPTO granted patents and 6 published patent applications and 8 EPO patents. Top assignees: Olympus Corporation, Olympus Medical Systems Corporation, Olympus Optical Company, Ltd.. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomonao Kawashima. Retrieved from https://idiyas.com/inventor/tomonao-kawashima

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

USPTO Granted Patents = 18 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 463(Granted Patents)


Location History:

  • Tokyo, JP (2010)
  • Hachioji, JP (1996 - 2023)

Company Filing History:


Years Active: 1996-2025

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18 patents (USPTO):Explore Patents

Title: The Innovations of Tomonao Kawashima

Introduction

Tomonao Kawashima is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of ultrasound technology, holding a total of 18 patents. His work focuses on developing advanced diagnostic apparatuses that enhance medical imaging and diagnostics.

Latest Patents

Kawashima's latest patents include an ultrasound diagnostic apparatus and an ultrasound diagnostic system. The ultrasound diagnostic apparatus features a drive circuit that transmits a drive signal to an ultrasound transducer, along with a receiving circuit that captures echo signals. The processor in this apparatus is designed to obtain target information, which includes details such as the distance to a target region containing liquid or the size of that region. This information is crucial for setting the appropriate drive conditions to generate acoustic streaming in the liquid. Another notable patent is the ultrasound imaging apparatus, which utilizes a processor to generate frequency spectrum data and ultrasound image data. This apparatus estimates displacement amounts of subjects in ultrasound images and corrects frequency spectrum data accordingly, ultimately generating analysis image data enriched with color information.

Career Highlights

Throughout his career, Tomonao Kawashima has worked with esteemed companies such as Olympus Corporation and Olympus Optical Company, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in ultrasound technology.

Collaborations

Kawashima has collaborated with notable colleagues, including Soichi Ikuma and Masahiko Komuro. These partnerships have fostered a creative environment that has led to significant advancements in their field.

Conclusion

Tomonao Kawashima's contributions to ultrasound technology are noteworthy and impactful. His innovative patents and collaborations reflect his dedication to advancing medical imaging techniques. His work continues to influence the field and improve diagnostic capabilities.

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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