Fukuoka, Japan

Yasushi Shimokawa

This inventor holds 5 USPTO granted patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Dai Nippon Printing Co., Ltd.. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Shimokawa. Retrieved from https://idiyas.com/inventor/yasushi-shimokawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.8

ph-index = 3

Forward Citations = 10(Granted Patents)


Location History:

  • Miike, JP (1993)
  • Ohmuta, JP (1994)
  • Fukuoka, JP (1994 - 1995)

Company Filing History:


Years Active: 1993-1995

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5 patents (USPTO):Explore Patents

Title: Yasushi Shimokawa: Innovator in Heat-Sensitive Transfer Technology

Introduction

Yasushi Shimokawa is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of heat-sensitive transfer technology, holding a total of 5 patents. His work has advanced the understanding and application of dye and ink compositions used in various industries.

Latest Patents

Shimokawa's latest patents include a dye for heat-sensitive transfer records and an ink composition. The dyestuff for heat-sensitive transfer records is represented by a specific chemical formula, which includes various substituents that enhance its functionality. Additionally, he has developed novel quinophthalone compounds that are useful for coloring polymeric materials and liquid crystal materials. These innovations demonstrate his expertise in creating materials that meet the demands of modern technology.

Career Highlights

Throughout his career, Yasushi Shimokawa has worked with prominent companies such as Mitsui Toatsu Chemicals, Incorporated and Dai Nippon Printing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in his field.

Collaborations

Shimokawa has collaborated with talented individuals, including Tsukasa Ohyama and Keisuke Takuma. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Yasushi Shimokawa's contributions to heat-sensitive transfer technology highlight his role as a leading inventor in this specialized field. His patents and collaborations reflect a commitment to innovation and excellence.

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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