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For the Inventor, By the Inventor

Kanagawa, Japan

Hiroyuki Hiratsuka

This inventor holds 12 USPTO granted patents and 6 published patent applications. Top assignee: Ricoh Company, Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Hiratsuka. Retrieved from https://idiyas.com/inventor/hiroyuki-hiratsuka

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

USPTO Granted Patents = 12 

% Patents Active = 33.3

Average Co-Inventor Count = 4.8

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Kakuda, JP (2012)
  • Kanagawa, JP (2014 - 2019)

Company Filing History:

goldMedal12 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2012-2026

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12 patents (USPTO):Explore Patents
1. 12651852 - Member, conductive layer, method for manufacturing member, and method for forming conductive layer (2026-06-09),
2. 10279604 - Printing apparatus and printed material manufacturing method (2019-05-07),
3. 9873266 - Printing apparatus and printed material manufacturing method (2018-01-23),
4. 9623677 - Printing apparatus and printed material manufacturing method (2017-04-18),
5. 9399358 - Image forming apparatus, image forming system, and method of producing printed product (2016-07-26),
6. 9387696 - Printing apparatus, printing system, and method for manufacturing printed material (2016-07-12),
7. 9352589 - Modification device, modification method, computer program product, image forming apparatus, and image forming system (2016-05-31),
8. 9259941 - Image forming apparatus, image forming system, and method of producing printed product (2016-02-16),
9. 9259924 - Printing apparatus and printed material manufacturing method (2016-02-16),
10. 9242482 - pH detecting device, printing system, and method for manufacturing printed material (2016-01-26),
11. 8851643 - Inkjet image forming apparatus (2014-10-07),
12. 8136916 - Image forming apparatus (2012-03-20),

Title: Hiroyuki Hiratsuka: Innovator in Printing Technology

Introduction

Hiroyuki Hiratsuka is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of printing technology, holding a total of 12 patents. His innovative work focuses on enhancing printing processes through advanced techniques.

Latest Patents

One of Hiratsuka's latest patents is a printing apparatus and printed material manufacturing method. This apparatus includes a plasma treatment unit that performs plasma treatment on a surface of a treatment object to acidify at least the surface of the treatment object. Additionally, it features a recording unit that performs inkjet recording on the surface that has undergone plasma treatment. This innovative approach aims to improve the quality and efficiency of printed materials.

Career Highlights

Hiratsuka is currently associated with Ricoh Company, Ltd., a leading organization in imaging and printing solutions. His work at Ricoh has allowed him to explore and develop cutting-edge technologies that push the boundaries of traditional printing methods.

Collaborations

Throughout his career, Hiratsuka has collaborated with notable colleagues, including Koji Nagai and Tatsuro Watanabe. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hiroyuki Hiratsuka's contributions to printing technology exemplify the spirit of innovation. His patents and work at Ricoh Company, Ltd. continue to influence the industry and pave the way for future advancements in 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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