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For the Inventor, By the Inventor

Neyagawa, Japan

Yoshihiro Sawatari

This inventor holds 7 USPTO granted patents. Top assignees: Orient Chemical Industries, Ltd., Seiko Epson Corporation. Active years: 1994-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiro Sawatari. Retrieved from https://idiyas.com/inventor/yoshihiro-sawatari

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

USPTO Granted Patents = 7

% Patents Active = 71.4

Average Co-Inventor Count = 4.4

ph-index = 4

Forward Citations = 37(Granted Patents)


Location History:

  • Yawata, JP (1997)
  • Neyagawa, JP (1994 - 1998)
  • Hirakata, JP (2003)
  • Osaka, JP (2005)

Company Filing History:

goldMedal6 out of 128 
 
Orient Chemical Industries, Ltd.
 patents
silverMedal3 out of 34,238 
 
Seiko Epson Corporation
 patents
where one patent can have more than one assignee

Years Active: 1994-2005

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7 patents (USPTO):Explore Patents
1. 6858069 - Black aqueous ink composition, ink jet recording process using the same, and recorded matter (2005-02-22),
2. 6632932 - Trisazo compound (2003-10-14),
3. 5795970 - Mixed disazo-dye composition and black aqueous ink composition (1998-08-18),
4. 5667571 - Solvent-based black ink composition (1997-09-16),
5. 5616174 - Ink composition and ink jet recording method using the same (1997-04-01),
6. 5340929 - Trisazo dye and dye composition containing the same (1994-08-23),
7. 5336763 - Trisazo dye and dye composition containing the same (1994-08-09),

Title: The Innovations of Yoshihiro Sawatari

Introduction

Yoshihiro Sawatari is a notable inventor based in Neyagawa, Japan. He has made significant contributions to the field of ink technology, holding a total of 7 patents. His work focuses on developing advanced ink compositions and recording processes that enhance the quality and durability of printed materials.

Latest Patents

Among his latest patents is a black aqueous ink composition designed for excellent light and gas fastness. This innovative ink composition is part of an ink set that includes an ink jet recording process utilizing the same. The black aqueous ink composition features at least a trisazo dye represented by a specific chemical formula, which contributes to its superior performance.

Career Highlights

Yoshihiro Sawatari has worked with prominent companies in the industry, including Orient Chemical Industries, Ltd. and Seiko Epson Corporation. His experience in these organizations has allowed him to refine his expertise in ink technology and contribute to various innovative projects.

Collaborations

Throughout his career, Sawatari has collaborated with talented individuals such as Takashi Ono and Tatsuya Yagyu. These partnerships have fostered a creative environment that has led to the development of groundbreaking ink solutions.

Conclusion

Yoshihiro Sawatari's contributions to ink technology and his impressive portfolio of patents highlight his role as a significant inventor in the field. His work continues to influence the industry and improve the quality of printed materials.

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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