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For the Inventor, By the Inventor

Fukui, Japan

Tomoyuki Nishikawa

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Seiren Company, Ltd. Active years: 2006-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Nishikawa. Retrieved from https://idiyas.com/inventor/tomoyuki-nishikawa-hm5wxa3i

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

Calculating rank
USPTO Granted Patents = 5 

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:

goldMedal5 out of 111 
 
Seiren Company, Ltd
 patents

Years Active: 2006-2014

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5 patents (USPTO):Explore Patents
1. 8642163 - Ultraviolet-curable inkjet ink set and colored board for outdoor use printed by using the ink set (2014-02-04),
2. 8216356 - Ink set for ink jet, ink jet coloring process and colored product for outdoor (2012-07-10),
3. 7264330 - Ultraviolet ray curable ink, ink composition for ink jet and process for preparing ink jet printed matter using the same (2007-09-04),
4. 7261407 - Process and printing apparatus for ink jet printing on cloth using ultraviolet ray curable ink (2007-08-28),
5. 7037952 - Ultraviolet ray curable ink, ink composition for ink jet and process for preparing ink jet printed matter using the same (2006-05-02),

Title: Innovations of Tomoyuki Nishikawa

Introduction

Tomoyuki Nishikawa is a notable inventor based in Fukui, Japan. He has made significant contributions to the field of inkjet technology, holding a total of five patents. His work focuses on developing advanced ink formulations that enhance color presentation and weather resistance.

Latest Patents

Nishikawa's latest patents include an ultraviolet-curable inkjet ink set and a colored board for outdoor use printed with this ink set. This innovative ink set comprises yellow, magenta, and cyan inks, each containing specific pigments, reactive monomers, and photopolymerization initiators. The yellow ink features a bismuth vanadate compound or iron oxide, while the magenta ink includes iron oxide or a condensed polycyclic compound. The cyan ink is characterized by a phthalocyanine compound. This inkjet ink set allows for high-concentration printing, resulting in brilliant printed materials that excel in color presentation and weather resistance.

Another significant patent involves an ink set for inkjet printing that aims to produce printed articles with superior warm color representation and weather resistance. This ink set contains an orange pigment ink and a red pigment ink, both utilizing iron oxide as their respective pigments. The formulation also includes solvents and additional pigments to enhance color quality.

Career Highlights

Tomoyuki Nishikawa is currently employed at Seiren Company, Ltd., where he continues to innovate in the field of ink technology. His work has been instrumental in advancing the capabilities of inkjet printing, particularly for outdoor applications.

Collaborations

Nishikawa collaborates with his coworker, Yoshikatsu Itoh, to further enhance their research and development efforts in ink formulations.

Conclusion

Tomoyuki Nishikawa's contributions to inkjet technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials and their applications, paving the way for advancements in printing technology.

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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