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For the Inventor, By the Inventor

Shizuoka, Japan

Kazuto Kunita

This inventor holds 58 USPTO granted patents and 2 published patent applications and 16 EPO patents, primarily in Lithographic Printing (CPC class G03F). Top assignees: Fuji Photo Film Company, Limited, Fujifilm Corporation. Active years: 1997-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuto Kunita. Retrieved from https://idiyas.com/inventor/kazuto-kunita

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

USPTO Granted Patents = 58 

% Patents Active = 62.1

 

Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 305(Granted Patents)

Forward Citations (Not Self Cited) = 288(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Shizuoka-ken, JP (2000 - 2011)
  • Shizuoka, JP (1997 - 2014)
  • Haibara-gun, JP (2009 - 2015)

Company Filing History:

goldMedal40 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
silverMedal18 out of 16,916 
 
Fujifilm Corporation
 patents

Years Active: 1997-2015

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Areas of Expertise:
Lithographic Printing
Polymer Compositions
Image Recording Materials
Planographic Printing
Photosensitive Materials
Radical Polymerization
Curable Compositions
Ink Jet-Recording
Flexographic Printing
Hydrophilic Members
Colored Image Formation
Alkali-Soluble Polymers
58 patents (USPTO):Explore Patents
1. 9017917 - Resist composition and method of forming pattern therewith (2015-04-28),
2. 8714088 - Lithographic printing plate precursor and lithographic printing method (2014-05-06),
3. 8304083 - Hydrophilic member and process for producing the same (2012-11-06),
4. 8048607 - Compound having polymethine-chain structure, image forming material, planographic printing plate precursor, and image forming method using the same, method of making planographic printing plate, and planographic printing method (2011-11-01),
5. 8008366 - Curable composition and process for producing cured coating (2011-08-30),
6. 7906582 - Polymerizable composition, tacky material, and adhesive (2011-03-15),
7. 7883827 - Polymerizable composition and planographic printing plate precursor (2011-02-08),
8. 7635181 - Ink for ink jet-recording curable through irradiation with a radioactive ray and method for preparing lithographic printing plates using the same (2009-12-22),
9. 7618762 - Polymer having polymerizable group, polymerizable composition, planographic printing plate precursor, and planographic printing method using the same (2009-11-17),
10. 7524605 - Lithographic printing plate precursor and lithographic printing method (2009-04-28),
11. 7402374 - Method for colored image formation (2008-07-22),
12. 7374863 - Polymerizable composition (2008-05-20),
13. 7338749 - Process for making flexographic printing plate (2008-03-04),
14. 7338748 - Polymerizable composition and planographic printing plate precursor (2008-03-04),
15. 7288360 - Image recording material (2007-10-30),

Title: Kazuto Kunita: A Leading Innovator in Lithographic Technologies

Introduction

Kazuto Kunita, based in Shizuoka, Japan, is a prominent inventor known for his significant contributions to the field of lithography. With an impressive portfolio of 58 patents, Kazuto has been at the forefront of innovations that enhance printing technologies, particularly in resist compositions and lithographic printing methods.

Latest Patents

Among his latest patents is a breakthrough in resist composition and method for forming patterns. This innovatory resist composition features two or more polymers, which include a first and second polymer, along with a compound that generates an acid when exposed to actinic rays or radiation. The resist film created from this composition exhibits a unique gradient distribution in polymer mixing ratios. The superior portion contains a higher amount of the first polymer, while the inferior portion holds more of the second polymer.

Another notable patent is the development of a lithographic printing plate precursor and method. This invention encompasses an image-recording layer and a protective layer that includes a stratiform compound, with at least one layer containing polymers with structural units featuring ammonium structures. These advancements significantly improve the efficiency and quality of lithographic printing processes.

Career Highlights

Kazuto Kunita has made substantial contributions while working at esteemed companies such as Fuji Photo Film Company, Limited and Fujifilm Corporation. His tenure at these organizations has enabled him to work on pioneering products that push the boundaries of current printing technologies.

Collaborations

Throughout his career, Kazuto has collaborated with notable professionals in the field, including Atsushi Sugasaki and Ippei Nakamura. These partnerships have allowed him to blend ideas and innovate further in lithographic technologies.

Conclusion

Kazuto Kunita's visionary work and extensive patent portfolio underscore his role as a leading innovator in the industry. His inventions not only contribute to advancements in resist composition and lithographic methods but also inspire future generations of inventors and researchers in the field. With a proven track record and a dedication to innovation, Kazuto is poised to continue impacting the world of technology and printing.

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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