Kanagawa, Japan

Yasuhiko Kachi

This inventor holds 50 USPTO granted patents and 6 published patent applications and 9 EPO patents, primarily in Inkjet Technology (CPC class B41J). Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited, Ricoh Company, Ltd.. Active years: 1999-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Kachi. Retrieved from https://idiyas.com/inventor/yasuhiko-kachi

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

Calculating rank
USPTO Granted Patents = 50 

% Patents Active = 28.0

 

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 245(Granted Patents)

Forward Citations (Not Self Cited) = 240(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kaiseimachi, JP (2007 - 2008)
  • Kanagwa, JP (2010)
  • Kanagawa-ken, JP (2010 - 2013)
  • Ashigarakami-gun, JP (2016)
  • Kanagawa, JP (1999 - 2022)

Company Filing History:


Years Active: 1999-2022

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Areas of Expertise:
Inkjet Recording
Liquid Discharge
Image Forming
Ink Supply Device
Liquid Ejection
Ink Container
Printer
Back Pressure Adjustment
Nozzle Arrays
Color Mixing
Bleeding Evaluation
Ink Cartridge
50 patents (USPTO):Explore Patents

Title: Yasuhiko Kachi: Innovator in Liquid Discharge Technology

Introduction: Yasuhiko Kachi, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of liquid discharge technology. With a remarkable portfolio of 50 patents, Kachi is recognized for his innovative approaches that enhance the efficiency and effectiveness of liquid application processes.

Latest Patents: Among Yasuhiko Kachi's latest inventions is a sophisticated liquid discharge apparatus. This apparatus features multiple head units, each equipped with several heads designed to discharge liquid. It also includes temperature-controlled liquid supply manifolds that distribute liquid to these heads. Notably, a conveyor system is integrated, enabling the application of liquid onto sheets while ensuring optimal performance with innovative design.

Another noteworthy patent involves a liquid discharge apparatus that includes a head designed to discharge liquid through a circulating passage for temperature-controlled fluids. This device features distinct heat generation portions and a cooler, which work in harmony to manage the temperature of the circulating liquid efficiently.

Career Highlights: Yasuhiko Kachi has a rich career, having been associated with well-respected companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His work in these organizations has facilitated advancements in liquid discharge systems, underscoring his role as a pivotal contributor in this sector.

Collaborations: Throughout his career, Kachi has collaborated with esteemed colleagues, including Toshiya Kojima and Tsutomu Takatsuka. Their collective expertise and innovation have played a crucial role in the development of state-of-the-art liquid discharge technologies.

Conclusion: Yasuhiko Kachi's extensive patent portfolio and his commitment to innovation have solidified his reputation as a leading figure in liquid discharge technology. His contributions not only reflect personal achievement but also advance the field, paving the way for future advancements in liquid application methods.

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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