Osaka, Japan

Yasuyuki Fukunaga

This inventor holds 38 USPTO granted patents and 4 published patent applications and 4 EPO patents, primarily in Inkjet Technology. Top assignees: Kyocera Document Solutions Inc., Kyocera Mita Corporation, Mita Industrial Co., Ltd.. Active years: 1993-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Fukunaga. Retrieved from https://idiyas.com/inventor/yasuyuki-fukunaga

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

Calculating rank
USPTO Granted Patents = 38 

% Patents Active = 68.4

 

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 68(Granted Patents)


Location History:

  • Oskak, JP (1994)
  • Hirakata, JP (1993 - 1995)
  • Osaki, JP (2016)
  • Osaka, JP (1996 - 2024)

Company Filing History:


Years Active: 1993-2024

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Areas of Expertise:
Inkjet Recording
Image Forming Apparatus
Cleaning Device
Developing Device
Waste Toner Collection
Sheet Conveying Device
Fixing Device
Charging Unit
Absorption Layers
Ink Supply Device
Transfer Device
Cap Unit
38 patents (USPTO):Explore Patents

Title: Innovations of Yasuyuki Fukunaga - A Pioneer in Liquid Detection and Ink Jet Technology

Introduction

Yasuyuki Fukunaga is an accomplished inventor based in Osaka, Japan, with an impressive portfolio comprising 38 patents. His innovative contributions have significantly impacted industries related to liquid detection and ink jet technology, showcasing his expertise and creativity in engineering solutions.

Latest Patents

Among Fukunaga's latest inventions are two notable patents. The first is a liquid leakage detection device that includes two absorption layers and a pair of terminals. This device features a first absorption layer that effectively absorbs liquid, while the second absorption layer is stacked on top of the first and further enhances absorption. The pair of terminals is designed to be in contact only with the second absorption layer, optimizing its functionality.

The second recent patent revolves around an ink jet recording apparatus. This invention includes an ink supply device that functions through a series of components: a plurality of ink containers, several heater units, and a supporting frame. The heater unit consists of a tube for ink transport, a heater for ink heating, and a casing to hold these elements in place. The design ensures all ink containers and heater units are securely managed within the frame, providing a reliable and efficient ink supply system.

Career Highlights

Fukunaga has contributed to several prestigious companies throughout his career. Notable employers include Kyocera Document Solutions Inc. and Mita Industrial Co., Ltd., where he applied his inventive talents to develop cutting-edge solutions in document technology and manufacturing.

Collaborations

Throughout his professional journey, Yasuyuki Fukunaga has collaborated with a number of skilled individuals, notably Masaki Murashima and Akira Nakakuma. These collaborations have fostered a creative environment, leading to significant advancements in their respective fields.

Conclusion

Yasuyuki Fukunaga's inventive spirit and dedication to innovation are evident in his extensive patent portfolio. His work continues to inspire and drive forward advancements in technologies related to liquid detection and ink jet applications. As a prominent figure in the field, Fukunaga embodies the creativity and technical expertise that propel industries into the future.

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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