Hokuto, Japan

Hiroyuki Kawate

This inventor holds 58 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 20 EPO patents, primarily in Liquid Container Technology (CPC class B41J). Top assignees: Seiko Epson Corporation, Seiko Epson Corporaition. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Kawate. Retrieved from https://idiyas.com/inventor/hiroyuki-kawate

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

USPTO Granted Patents = 58 

% Patents Active = 94.8

 

 

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 168(Granted Patents)

Forward Citations (Not Self Cited) = 154(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chino, JP (2012 - 2015)
  • Matsumoto, JP (2013 - 2015)
  • Yamanashi-ken, JP (2014 - 2015)
  • Yamanashi, JP (2015 - 2020)
  • Hokuto, JP (2013 - 2024)

Company Filing History:


Years Active: 2012-2025

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Areas of Expertise:
Liquid Container
Ink Supply System
Liquid Ejection Device
Fluid Container
Cartridge
Liquid Storage
Liquid Ejecting Apparatus
Packing Member
Ink Refill
Liquid Consuming Apparatus
Injection Method
Packaging Tray
58 patents (USPTO):Explore Patents

Title: Hiroyuki Kawate: A Pioneering Inventor from Hokuto, Japan

Introduction

Hiroyuki Kawate is a distinguished inventor based in Hokuto, Japan, holding an impressive total of 58 patents in various fields. His innovative spirit and technical expertise have significantly contributed to advancements in printing technology, showcasing his commitment to enhancing the efficiency and functionality of printing solutions.

Latest Patents

Among Hiroyuki's latest inventions are the Print Material Storage Container and the Liquid Container. The Print Material Storage Container features a unique design with a substrate that includes an electric circuit equipped with terminals. This invention allows for the substrate to be securely mounted on a fixing portion using a re-fixing method, ensuring easy access and organization of print materials. The container's design emphasizes practicality and efficiency, enhancing user experience.

The Liquid Container is another notable invention that facilitates the refilling of liquids for printers. It consists of a bag and a liquid supplying port member, which includes intricate passages for liquid flow. This innovative design includes a communication port that enables the effective movement of liquid, optimizing the printing process and preventing spillage.

Career Highlights

Hiroyuki Kawate has built a reputable career, having worked with prominent organizations, including Seiko Epson Corporation. At Seiko Epson, he applied his inventive prowess to develop and patent several technologies that have become benchmarks in the printing industry. His contributions have not only advanced product design but have also enhanced user convenience in printing operations.

Collaborations

Throughout his career, Hiroyuki has collaborated with talented individuals like Taku Ishizawa and Takumi Nagashima. These partnerships have fostered a dynamic exchange of ideas, leading to the creation of groundbreaking technologies and inventions that reflect the innovative spirit of his collaborators.

Conclusion

Hiroyuki Kawate continues to be a trailblazer in the field of inventions related to printing technology. With his extensive portfolio of patents and a commitment to innovation, he stands as an exemplar of how dedication to invention can lead to significant advancements within the industry. His contributions are a testament to the impact of creativity and collaboration in fostering technological progress.

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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