Yokohama, Japan

Kunihito Uohashi

This inventor holds 18 USPTO granted patents and 1 EPO patent, primarily in Liquid Ejection Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2013-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihito Uohashi. Retrieved from https://idiyas.com/inventor/kunihito-uohashi

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

Calculating rank

% Patents Active = 66.7

 

Average Co-Inventor Count = 6.7

ph-index = 3

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 2013-2021

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Areas of Expertise:
Liquid Ejection Head
Manufacturing Process
Discharge Head
Ink Ejection
Ejection Orifice
Printing Apparatus
Substrate Manufacturing
Production Method
Recording Head
Liquid Discharge
Head Manufacturing
Ejection Technology
18 patents (USPTO):Explore Patents

Title: Kunihito Uohashi: Innovator in Liquid Ejection Technology

Introduction

Kunihito Uohashi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of liquid ejection technology, holding a total of 18 patents. His innovative methods have advanced the manufacturing processes of liquid ejection heads, which are crucial in various applications, including printing technologies.

Latest Patents

One of Uohashi's latest patents is a method of manufacturing a liquid ejection head. This method is designed to pattern a dry film while minimizing deformation caused by pressure. The process involves preparing a substrate with an ejection orifice member, forming a protection film with communicating holes, and closing a supply port opening with a dry film. The dry film is then patterned by irradiating it with light while the protection film is in place. Another notable patent focuses on the manufacturing structure of a liquid ejection head, which includes forming a film with lower surface free energy on the inner face of a liquid supply port and attaching a dry film to create a flow path.

Career Highlights

Kunihito Uohashi has built a successful career at Canon Kabushiki Kaisha, where he has been instrumental in developing advanced technologies for liquid ejection systems. His work has not only enhanced the efficiency of manufacturing processes but has also contributed to the overall performance of liquid ejection devices.

Collaborations

Uohashi has collaborated with notable colleagues, including Keiji Matsumoto and Kazuhiro Asai. These partnerships have fostered innovation and have played a vital role in the development of new technologies within the company.

Conclusion

Kunihito Uohashi's contributions to liquid ejection technology exemplify the impact of innovative thinking in engineering. His patents and work at Canon Kabushiki Kaisha continue to influence the industry and pave the way for future advancements.

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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