Chiba, Japan

Akiyoshi Umehara

This inventor holds 2 USPTO granted patents. Top assignees: Lion Corporation, Yoshino Kogyosho Co., Ltd.. Active years: 1988-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akiyoshi Umehara. Retrieved from https://idiyas.com/inventor/akiyoshi-umehara

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1988-1990

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2 patents (USPTO):Explore Patents

Title: Akiyoshi Umehara: Innovator in Fluid Dispensing and Packaging Solutions

Introduction

Akiyoshi Umehara is a notable inventor based in Chiba, Japan. He has made significant contributions to the fields of fluid dispensing and packaging solutions. With a total of 2 patents to his name, Umehara's innovations reflect his commitment to simplifying complex structures and enhancing functionality.

Latest Patents

Umehara's latest patents include a Viscous Fluid Dispenser and a Divisible Package Box. The Viscous Fluid Dispenser is designed to have a significantly reduced number of parts, resulting in a simplified structure that is easy to assemble and functions effectively. This dispenser consists of only five parts: a cylindrical body with an integrally formed top plate, a movable bottom lid, a piston with a discharge pipe, a push button with a discharge nozzle, and a spring. The design also incorporates two check valves for efficient operation.

The Divisible Package Box features a main sheet and a partition body, allowing for easy division into two smaller boxes. The main sheet includes a bottom, two side sections, and two cover sections, all defined by score lines for folding. This innovative design ensures that the inner surfaces of the assembled package box are completely flat, enhancing its usability.

Career Highlights

Throughout his career, Akiyoshi Umehara has worked with prominent companies such as Lion Corporation and Yoshino Kogyosho Co., Ltd. His experience in these organizations has contributed to his development as an inventor and innovator in his field.

Collaborations

Umehara has collaborated with notable coworkers, including Takashi Ichihara and Shintaro Ohashi. These partnerships have likely played a role in the successful development of his patents and innovations.

Conclusion

Akiyoshi Umehara's contributions to fluid dispensing and packaging solutions demonstrate his innovative spirit and dedication to improving product functionality. His patents reflect a deep understanding of design simplicity and efficiency.

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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