Shiojiri, Japan

Shiho Haizuka

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shiho Haizuka. Retrieved from https://idiyas.com/inventor/shiho-haizuka

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Shiho Haizuka: Innovator in Ink Technology

Introduction

Shiho Haizuka is a notable inventor based in Shiojiri, Japan. She has made significant contributions to the field of ink technology, particularly in the development of innovative ink sets for recording apparatuses.

Latest Patents

Haizuka holds a patent for an "Ink set, recording apparatus, and recording method." This patent describes an ink set that includes a water-based ink composition containing a colorant, a first treatment liquid with an aggregating agent, and a second treatment liquid also containing an aggregating agent. The first treatment liquid has a content of the aggregating agent of 0.60 mol/kg or more, while the second treatment liquid has a content of less than 0.60 mol/kg. This innovative approach allows for effective recording on both low-permeable and impermeable substrates.

Career Highlights

Shiho Haizuka is currently employed at Seiko Epson Corporation, where she continues to advance her research and development in ink technology. Her work has been instrumental in enhancing the quality and efficiency of printing processes.

Collaborations

Haizuka collaborates with her coworker, Ippei Okuda, who is also involved in the field of ink technology. Their partnership has contributed to the successful development of innovative solutions in their area of expertise.

Conclusion

Shiho Haizuka's contributions to ink technology through her patent and work at Seiko Epson Corporation highlight her role as an influential inventor in the industry. Her innovative approaches continue to shape the future of recording technologies.

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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