Kobe, Japan

Takefumi Nakashita

This inventor holds 9 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1991-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takefumi Nakashita. Retrieved from https://idiyas.com/inventor/takefumi-nakashita

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 88.9

 

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 199(Granted Patents)


Company Filing History:


Years Active: 1991-2020

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9 patents (USPTO):Explore Patents

Title: Innovations by Takefumi Nakashita

Introduction

Takefumi Nakashita is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of medical devices, holding a total of nine patents. His work focuses on enhancing the performance and durability of metal medical devices through innovative surface modifications.

Latest Patents

One of Nakashita's latest patents is related to surface-modified metals, particularly for medical devices such as guide wires, syringe needles, and metal tubes. This invention provides a lubricant layer that is firmly bonded to the surface of these metals, improving their lubricity and durability. The method involves polymerizing a monomer in the presence of a hydrogen abstraction type photopolymerization initiator. Another notable patent involves metal medical devices designed to possess sliding properties, low protein adsorption, and low cell adsorption. This invention ensures that these beneficial properties do not deteriorate over time.

Career Highlights

Nakashita is associated with Sumitomo Rubber Industries Limited, where he continues to innovate in the field of medical technology. His work has been instrumental in advancing the functionality and reliability of medical devices, making them safer and more effective for patient use.

Collaborations

Some of his notable coworkers include Atsuko Kawasaki and Yoshiharu Inui, who have collaborated with him on various projects within the company.

Conclusion

Takefumi Nakashita's contributions to the field of medical devices through his innovative patents highlight his expertise and commitment to improving healthcare technology. His work continues to impact the industry positively, ensuring better outcomes for patients.

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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