Tokyo, Japan

Naozumi Nabeshima

This inventor holds 57 USPTO granted patents and 14 published patent applications and 15 EPO patents, primarily in Liquid Ejection Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naozumi Nabeshima. Retrieved from https://idiyas.com/inventor/naozumi-nabeshima

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

USPTO Granted Patents = 57 

% Patents Active = 77.2

 

Average Co-Inventor Count = 4.3

ph-index = 13

Forward Citations = 485(Granted Patents)

Forward Citations (Not Self Cited) = 370(Dec 10, 2025)


Location History:

  • Kawasaki, JP (2009 - 2013)
  • Tokyo, JP (2010 - 2023)

Company Filing History:


Years Active: 2009-2026

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Areas of Expertise:
Liquid Ejection Head
Liquid Discharge Apparatus
Ink Cartridge
Refill System
Printing Apparatus
Pressure Control Unit
Liquid Supply Method
Nozzle Cap
Ink Tank
Liquid Storage Bottle
Recording Apparatus
Liquid Filling Method
57 patents (USPTO):Explore Patents

Title: Naozumi Nabeshima: Innovator in Liquid Management and Ink Technology

Introduction

Naozumi Nabeshima is a prominent inventor based in Tokyo, Japan, with a remarkable portfolio of 45 patents. His work primarily focuses on innovations in liquid management systems and ink technology, contributing significantly to advancements in these fields.

Latest Patents

Nabeshima's latest patents include a "Liquid Refill Container for Refilling Liquid Discharge Apparatus with Liquid" and a "Reuse System Using Liquid Refill Container." This innovative refill container comprises a liquid storage portion made of metal, a pouring portion that is removeably connected to the storage, and a cap portion that covers the outlet. Another patent he holds involves an "Ink Cartridge Adaptor, Ink Cartridge, and Recording Apparatus," which features a casing with multiple pad electrodes that can move outward from the side surface of the casing. These inventions demonstrate his commitment to enhancing usability and functionality in liquid dispensing and printing technologies.

Career Highlights

Naozumi Nabeshima is associated with Canon Kabushiki Kaisha, a leader in imaging and printing solutions. His contributions within the company reflect his expertise and innovative spirit, leading to significant improvements in products and systems utilized in various industries.

Collaborations

Throughout his career, Nabeshima has collaborated with talented coworkers like Soji Kondo and Kazuya Yoshii. Together, they have worked on several projects that merge their expertise and creative insights to advance technologies in the imaging and liquid management sectors.

Conclusion

Naozumi Nabeshima's work exemplifies innovation in liquid management and ink technology. With 45 patents to his name, his contributions continue to shape the industry and inspire future advancements, making him a key figure in the field of inventions.

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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