Tokyo, Japan

Haruo Ichikawa

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruo Ichikawa. Retrieved from https://idiyas.com/inventor/haruo-ichikawa-yg6y7d4g

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 = 3.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Haruo Ichikawa - Innovator in Printing Technology

Introduction

Haruo Ichikawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of printing technology, particularly with his innovative designs aimed at improving efficiency and safety in printing operations.

Latest Patents

Ichikawa holds a patent for an "Interchangeable Drum Unit Interchange System." This system is designed for interchangeable drum type rotary printing machines. It aims to alleviate the heavy labor and dangerous work associated with traditional printing processes. The system features rack truck rails laid parallel to a printing line, allowing for the efficient interchange of drum units. This innovation significantly reduces the time required for the interchange process, enhancing productivity in printing operations.

Career Highlights

Throughout his career, Ichikawa has focused on developing technologies that streamline printing processes. His work has been instrumental in advancing the capabilities of rotary printing machines, making them safer and more efficient for workers.

Collaborations

Ichikawa has collaborated with notable colleagues, including Ryoichi Kanno and Masato Nakatsukasa. These partnerships have contributed to the development of innovative solutions in the printing industry.

Conclusion

Haruo Ichikawa's contributions to printing technology through his patent for an interchangeable drum unit interchange system exemplify his commitment to innovation and safety in the workplace. His work continues to influence the industry positively.

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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