Suwa, Japan

Atushi Nishioka

This inventor holds 1 USPTO granted patent. Top assignee: Seiko Epson Corporation. Active years: 1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atushi Nishioka. Retrieved from https://idiyas.com/inventor/atushi-nishioka

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1997

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Atushi Nishioka

Introduction

Atushi Nishioka is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of printing technology, particularly in the development of inkjet cartridges. His innovative approach has led to advancements that enhance the efficiency and effectiveness of ink usage in printers.

Latest Patents

Nishioka holds a patent for an inkjet cartridge and printer that utilizes a unique mechanism to manage ink pressure. The invention addresses the issue of excessive pressure in the ink reservoir when the ink level is high, allowing for optimal use of remaining ink when the level is low. This design includes an ink reservoir for storing recording ink, a circuit element for ejecting ink based on display data from a host processor, and a head case along with an ink supply case. The thick-wall region of the ink reservoir is pressed by a pressure rod, which is crucial for maintaining the appropriate pressure during printing.

Career Highlights

Atushi Nishioka is associated with Seiko Epson Corporation, a leading company in the printing and imaging industry. His work has contributed to the company's reputation for innovation and quality in printing technology. Nishioka's patent reflects his commitment to improving user experience and resource efficiency in inkjet printing.

Collaborations

Throughout his career, Nishioka has collaborated with talented individuals such as Yukihiro Hanaoka and Shigeo Sugimura. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the printing sector.

Conclusion

Atushi Nishioka's contributions to inkjet technology exemplify the impact of innovative thinking in the field of printing. His patent for an advanced inkjet cartridge demonstrates a commitment to enhancing efficiency and user satisfaction. His work continues to influence the industry and inspire future innovations.

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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