Tokyo, Japan

Tsutomu Okada

This inventor holds 75 USPTO granted patents and 1 published patent application and 31 EPO patents, primarily in Endoscopic Instruments (CPC class A61B). Top assignees: Olympus Corporation, Olympus Medical Systems Corporation, Olympus Optical Company, Ltd.. Active years: 1986-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Okada. Retrieved from https://idiyas.com/inventor/tsutomu-okada

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

USPTO Granted Patents = 75 

% Patents Active = 86.7

 

Average Co-Inventor Count = 1.3

ph-index = 26

Forward Citations = 4,558(Granted Patents)

Forward Citations (Not Self Cited) = 4,466(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hachioji, JP (1986 - 1990)
  • Inagi, JP (1991 - 1992)
  • Kunitachi, JP (1992 - 2003)
  • Tachikawa, JP (2006 - 2015)
  • Tokyo, JP (1987 - 2024)

Company Filing History:


Years Active: 1986-2026

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Areas of Expertise:
Endoscopic Treatment Tool
Endoscope System
Grasping Forceps
Medical Device
High-Frequency Knife
Stone Extraction
Diathermic Cutter
Suturing Device
Tissue-Collecting Apparatus
Medical System
Endoscope Accessory
Cartridge System
75 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tsutomu Okada

Introduction: Tsutomu Okada, based in Tokyo, Japan, is a distinguished inventor with a remarkable portfolio of 70 patents. His innovative work primarily focuses on advancements in medical tools and techniques, demonstrating a commitment to enhancing healthcare solutions.

Latest Patents: Among his latest patented inventions is a "Method for Closing Wound," which describes an innovative approach to closing wounds in tubular organs using a specialized suture thread and needle. This method involves a detailed process of grasping and manipulating the suture thread within the affected area for more effective wound management. Another notable invention is his "Endoscope Treatment Tool," designed to facilitate surgical procedures through intricate channels. This tool includes a sheath and an operating wire, alongside a unique tip with clearance grooves, enabling it to navigate efficiently during endoscopic surgeries.

Career Highlights: Okada has made significant contributions while working for renowned organizations like Olympus Corporation and Olympus Optical Company, Ltd. His experience within these companies has allowed him to refine his skills and push the boundaries of medical technology, resulting in numerous innovative patents that have greatly influenced the field.

Collaborations: Throughout his career, Tsutomu Okada has had the opportunity to collaborate with talented individuals such as Yoshio Onuki and Yasuhito Kura. These partnerships have led to fruitful exchanges of ideas and contributions that have further advanced the realm of medical devices and techniques.

Conclusion: Tsutomu Okada's impressive body of work and innovative spirit continue to inspire future generations of inventors and medical professionals. His contributions are a testament to the power of creativity and collaboration in driving progress within the healthcare 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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