Ibaraki, Japan

Tomohiko Kohda

USPTO Granted Patents = 17 



Average Co-Inventor Count = 4.6

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Kanagawa, JP (2014)
  • Ibaraki, JP (2015 - 2023)

Company Filing History:


Years Active: 2014-2025

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17 patents (USPTO):Explore Patents

Title: Celebrating the Innovation of Tomohiko Kohda

Introduction: Tomohiko Kohda, a notable inventor based in Ibaraki, Japan, has made significant contributions to the field of liquid discharge technology. Holding a remarkable 17 patents to his name, Kohda's work continues to impact industries that rely on precise liquid dispensing solutions.

Latest Patents: Among his latest innovations are three interconnected patents: a liquid discharging head, a liquid discharging unit, and a device for discharging liquid. The liquid discharging head features a nozzle plate equipped with multiple nozzles for liquid discharge. It consists of individual liquid chambers connected to these nozzles, a common liquid chamber supplying liquid to each chamber, and a circulation common liquid chamber leading to various circulation channels. This design optimally utilizes the layout of the chambers, allowing part of the common liquid chamber to overlap the circulation common liquid chamber both in the direction of liquid discharge and orthogonally. These innovations exemplify Kohda's dedication to enhancing the efficiency and functionality of liquid dispensing devices.

Career Highlights: Tomohiko Kohda has established a successful career at Ricoh Company, Ltd., where he continues to work on groundbreaking inventions. His focus on developing advanced liquid discharge systems has positioned him as a key player in the company's innovative endeavors.

Collaborations: Kohda collaborates with talented colleagues, including Takahiro Yoshida and Ryo Kasahara. Together, they form a dynamic team dedicated to pushing the boundaries of technology and finding inventive solutions to complex problems in the field of liquid discharge systems.

Conclusion: With his 17 patents and continuous pursuit of innovation, Tomohiko Kohda exemplifies the spirit of invention. His work at Ricoh Company, Ltd., along with his collaborations, ensures that he remains at the forefront of advancements in liquid discharging technology, paving the way for future breakthroughs.

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