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For the Inventor, By the Inventor

Yokohama, Japan

Tetsuo Toyokawa

This inventor holds 10 USPTO granted patents. Top assignee: Nippon Zeon Company, Ltd.. Active years: 1992-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Toyokawa. Retrieved from https://idiyas.com/inventor/tetsuo-toyokawa

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 9

Forward Citations = 1,351(Granted Patents)


Location History:

  • Yokohama, JP (1992 - 1998)
  • Kanagawa, JP (1998)
  • Kanagawa-ken, JP (2003)

Company Filing History:

goldMedal10 out of 598 
 
Nippon Zeon Company, Ltd.
 patents

Years Active: 1992-2003

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10 patents (USPTO):Explore Patents
1. 6656153 - Balloon catheter (2003-12-02),
2. 5833672 - Double tube, balloon catheter produced by using double tube, and process (1998-11-10),
3. 5711754 - Intra-aortic balloon catheter (1998-01-27),
4. 5695467 - Intra aortic balloon pumping catheter (1997-12-09),
5. 5683347 - Balloon catheter (1997-11-04),
6. 5514073 - Intra-aortic balloon catheter (1996-05-07),
7. 5460607 - Balloon catheter (1995-10-24),
8. 5439443 - Balloon catheter (1995-08-08),
9. 5298015 - Wound dressing having a porous structure (1994-03-29),
10. 5149469 - Method of manufacturing a wound dressing (1992-09-22),

Title: Tetsuo Toyokawa: Innovator in Medical Technology

Introduction

Tetsuo Toyokawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of medical technology, particularly in the development of advanced catheter systems. With a total of 10 patents to his name, Toyokawa's work has had a substantial impact on medical procedures and patient care.

Latest Patents

One of Toyokawa's latest inventions is a balloon catheter designed to enhance the efficiency of medical interventions. This innovative balloon catheter features an outer tube with a first lumen, which connects to a balloon portion at its distal end. The design allows for the introduction and release of pressurized fluid into the balloon space, enabling the balloon to expand or contract as needed. Additionally, the catheter includes an inner tube with a second lumen that is freely slidable, providing further versatility in its application. This invention represents a significant advancement in catheter technology, improving the ease and effectiveness of various medical procedures.

Career Highlights

Tetsuo Toyokawa is currently employed at Nippon Zeon Company, Ltd., where he continues to innovate and develop new medical technologies. His work has not only contributed to the advancement of medical devices but has also positioned him as a key figure in the industry. His dedication to improving patient outcomes through innovative solutions is evident in his extensive patent portfolio.

Collaborations

Throughout his career, Toyokawa has collaborated with notable colleagues, including Kouichi Sakai and Shinichi Miyata. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Tetsuo Toyokawa's contributions to medical technology through his innovative inventions and collaborations highlight his importance in the field. His work continues to influence the development of advanced medical devices, ultimately benefiting patient care and treatment outcomes.

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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