Yokohama, Japan

Keisuke Iinuma

This inventor holds 25 USPTO granted patents and 12 published patent applications and 4 EPO patents, primarily in Inkjet Printing Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keisuke Iinuma. Retrieved from https://idiyas.com/inventor/keisuke-iinuma

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

USPTO Granted Patents = 25 

% Patents Active = 92.0

 

Average Co-Inventor Count = 3.8

ph-index = 7

Forward Citations = 82(Granted Patents)


Location History:

  • Tokyo, JP (2021)
  • Yokohama, JP (2013 - 2022)
  • Kanagawa, JP (2023)

Company Filing History:


Years Active: 2013-2026

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Areas of Expertise:
Ink Cartridge
Liquid Ejection Head
Printing Apparatus
Liquid Discharge
Storage Container
Ejecting Device
Flexible Member
Manufacturing Method
Liquid Reservoir
Channel Forming Unit
Print Element Board
Liquid Filling
25 patents (USPTO):Explore Patents

Title: Keisuke Iinuma: Innovator in Liquid Storage Solutions

Introduction

Keisuke Iinuma is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of liquid storage technology, holding a total of 17 patents. His innovative designs focus on enhancing the efficiency and functionality of liquid storage containers.

Latest Patents

Iinuma's latest patents include a liquid storage container that features a unique positioning configuration aimed at downsizing. This container is designed to store liquid effectively, incorporating a fitting portion with a communication port that allows for the supply of liquid from an external source. The design includes a first positioning portion that secures the supply member at a specific point and a second positioning portion that guides the supply member into place while restricting its movement. Another notable patent is for a container that consists of a lid portion and a container portion, bonded together with resin. This innovative design ensures that the resin fills a flow path between the two members, creating a secure and functional container.

Career Highlights

Keisuke Iinuma is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation.

Collaborations

Iinuma has collaborated with notable coworkers such as Tatsuo Nanjo and Keiichiro Tsukuda. Their combined expertise has fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Keisuke Iinuma's contributions to liquid storage technology exemplify his innovative spirit and dedication to improving everyday solutions. His patents reflect a commitment to enhancing functionality and efficiency in product design.

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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