Osaka, Japan

Hajime Hashimoto

This inventor holds 2 USPTO granted patents. Top assignee: Keyence Corporation. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Hashimoto. Retrieved from https://idiyas.com/inventor/hajime-hashimoto-usloxy8u

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


% Patents Active = 50.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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2 patents (USPTO):Explore Patents

Title: Hajime Hashimoto: Innovator in Ink Jet Printing Technology

Introduction

Hajime Hashimoto is a prominent inventor based in Osaka, Japan. He is known for his significant contributions to the field of ink jet printing technology. His innovative approach has led to the development of a patent that addresses common issues faced by ink jet printers.

Latest Patents

Hajime Hashimoto holds a patent for an ink jet printer designed to prevent failures due to ink clogging in a hollow needle and its vicinity. This continuous ink jet printer features an ink tank that stores both ink and solvent as printing ink. The printing head performs printing with this ink, while an ink hollow needle accesses the ink in an ink cartridge when the cartridge is received in the ink reservoir. The design includes a first ink tube that facilitates the flow of ink from the hollow needle to the ink tank. Additionally, a supply control section executes suction control to generate a flow from the ink hollow needle toward the first ink tube when ink is extracted from the cartridge. It also performs blowing control to create a flow from the first ink tube back to the ink hollow needle during reverse-flow cleaning.

Career Highlights

Hajime Hashimoto is currently employed at Keyence Corporation, a leading company in automation and imaging technology. His work at Keyence has allowed him to focus on advancing ink jet printing technology, contributing to the company's reputation for innovation and quality.

Collaborations

Hajime collaborates with Hideki Yamakawa, a fellow innovator at Keyence Corporation. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies in the printing industry.

Conclusion

Hajime Hashimoto's contributions to ink jet printing technology exemplify the spirit of innovation. His patent addresses critical issues in the industry, showcasing his expertise and commitment to advancing technology. His work at Keyence Corporation continues to influence the future of printing solutions.

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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