Nagoya, Japan

Nobumasa Tsutsui

This inventor holds 4 USPTO granted patents and 4 published patent applications and 1 EPO patent. Top assignees: K. K. Vayu, Tokai Kobunshi Kagaku Kabushikigaisha, Other. Active years: 1998-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobumasa Tsutsui. Retrieved from https://idiyas.com/inventor/nobumasa-tsutsui

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

USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 90(Granted Patents)


Company Filing History:


Years Active: 1998-2006

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Nobumasa Tsutsui

Introduction

Nobumasa Tsutsui is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of medical devices, particularly in catheter technology. With a total of four patents to his name, Tsutsui's work has the potential to enhance medical procedures and patient outcomes.

Latest Patents

One of Tsutsui's latest inventions is an occlusion catheter for the ascending aorta. This innovative device is designed to obstruct blood flow within the ascending aorta without the need for insertion through the femoral artery. The catheter features a drug release aperture located near the proximal end, allowing for the delivery of cardiac muscle protective drugs directly to the vicinity of the coronary ostium. This method improves upon traditional techniques by enabling direct access to the ascending aorta.

Another significant patent is a balloon catheter that includes a core insertable from a connector into the shaft. This design allows for the adjustment of the core's depth within the shaft, enhancing the catheter's flexibility and rigidity as needed during medical procedures. The ability to modify the catheter's characteristics in real-time can greatly improve the effectiveness of various interventions.

Career Highlights

Throughout his career, Nobumasa Tsutsui has worked with several companies, including K.K. Vayu and Tokai Kobunshi Kagaku Kabushikigaisha. His experience in these organizations has contributed to his expertise in developing advanced medical devices.

Collaborations

Tsutsui has collaborated with notable individuals in the field, including Ryohei Yozu and Takashi Kumeno. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing the quality of his inventions.

Conclusion

Nobumasa Tsutsui's contributions to medical technology through his patents demonstrate his commitment to improving healthcare solutions. His innovative designs, particularly in catheter technology, have the potential to significantly impact patient care and medical procedures.

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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