Ibaraki, Japan

Hiroki Tomita

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Riso Kagaku Corporation. Active years: 2013-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Tomita. Retrieved from https://idiyas.com/inventor/hiroki-tomita-1ujduu23

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Inashiki-gun, JP (2013)
  • Ibaraki-ken, JP (2014)

Company Filing History:


Years Active: 2013-2014

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Hiroki Tomita: Innovator in Inkjet Technology

Introduction

Hiroki Tomita is a prominent inventor based in Ibaraki-ken, Japan. He has made significant contributions to the field of inkjet technology, holding 2 patents that showcase his innovative approach to enhancing print quality and color conversion processes.

Latest Patents

Tomita's latest patents include an "Inkjet recording apparatus and density adjustment method thereof." This invention features an adjustment drop number setting section that determines the number of adjustment drops needed to achieve a noticeable change in print density when altering the ink drop amount for various print media. The system allows for visual recognition of density differences between images printed by neighboring ink heads, enabling precise adjustments based on user input.

Another notable patent is the "Color conversion system and color conversion processing method." This system facilitates color conversion of image data in a L*a*b* color space. It employs a color conversion processor that implements distinct color conversion processes for different regions of the image data, ensuring accurate color representation across various hues.

Career Highlights

Hiroki Tomita is currently employed at Riso Kagaku Corporation, a company known for its advancements in printing technology. His work has significantly impacted the efficiency and quality of inkjet printing, making him a valuable asset to the organization.

Collaborations

Tomita collaborates with fellow inventor Yoshiyuki Okada, contributing to the development of innovative printing solutions. Their partnership has led to advancements in the field, enhancing the capabilities of inkjet technology.

Conclusion

Hiroki Tomita's contributions to inkjet technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the future of printing technology, ensuring high-quality outputs for various applications.

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]
Loading…