Tachikawa, Japan

Hironobu Yamaguchi

This inventor holds 2 USPTO granted patents and 3 EPO patents. Top assignee: Konica Minolta, Inc.. Active years: 2017-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironobu Yamaguchi. Retrieved from https://idiyas.com/inventor/hironobu-yamaguchi

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 = 1.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2017-2021

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2 patents (USPTO):Explore Patents

Title: Hironobu Yamaguchi: Innovator in Liquid Ejection Technology

Introduction

Hironobu Yamaguchi is a notable inventor based in Tachikawa, Japan. He has made significant contributions to the field of liquid ejection technology, holding 2 patents that showcase his innovative approach to engineering.

Latest Patents

Yamaguchi's latest patents include a liquid ejection head and a liquid ejection device. The liquid ejection head features a pressure chamber, a nozzle, and a liquid discharge flow path, along with a liquid storage part that includes a supply liquid chamber and a discharge liquid chamber. The design ensures that the minimum distance between the openings of the intermediate supply and discharge flow paths is optimized for efficiency. His inkjet head and inkjet recording device are designed to effectively heat ink near the nozzles, enhancing the performance of the inkjet system. This invention includes a head chip with multiple components joined in a specific order, ensuring optimal functionality.

Career Highlights

Yamaguchi is currently employed at Konica Minolta, Inc., where he continues to develop innovative technologies in the field of liquid ejection. His work has significantly impacted the efficiency and effectiveness of inkjet printing systems.

Collaborations

Some of his coworkers include Takashi Matsuo, who collaborates with Yamaguchi on various projects within the company.

Conclusion

Hironobu Yamaguchi's contributions to liquid ejection technology demonstrate his commitment to innovation and excellence in engineering. His patents reflect a deep understanding of the complexities involved in liquid ejection systems, making him a valuable asset in his field.

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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