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For the Inventor, By the Inventor

Matsumoto, Japan

Takashi Doi

This inventor holds 7 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Doi. Retrieved from https://idiyas.com/inventor/takashi-doi-a6qfnxrs

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

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 42.9

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Nagano, JP (2019)
  • Matsumoto, JP (2011 - 2022)

Company Filing History:

goldMedal7 out of 34,296 
 
Seiko Epson Corporation
 patents

Years Active: 2011-2026

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7 patents (USPTO):Explore Patents
1. 12734824 - Printing apparatus and adjustment method (2026-09-15),
2. 11238320 - Printing apparatus and printing method (2022-02-01),
3. 10740662 - Printing apparatus and printing method (2020-08-11),
4. 10255530 - Printing apparatus and method for calibrating input voltage in printing apparatus (2019-04-09),
5. 9302471 - Liquid droplet discharging method and liquid droplet discharging apparatus (2016-04-05),
6. 8824001 - Printing method, printing apparatus, and medium (2014-09-02),
7. 7898704 - Image output controller (2011-03-01),

Title: The Innovative Mind of Takashi Doi

Introduction

Takashi Doi is a prominent inventor based in Matsumoto, Japan. He has made significant contributions to the field of printing technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and quality of printing processes.

Latest Patents

Among his latest innovations is a printing apparatus and method that addresses the challenges of overlapping areas in printing chips. In this invention, ink is discharged in such a way that the first and second overlapping areas do not overlap when viewed from a specific direction. The design ensures that the nozzle usage ratios of various nozzle rows are optimized, avoiding extremes of 0% or 100%. This innovative approach enhances the overall printing quality and efficiency.

Career Highlights

Takashi Doi is currently associated with Seiko Epson Corporation, a leading company in the printing industry. His work at Epson has allowed him to push the boundaries of printing technology, contributing to the company's reputation for innovation and quality.

Collaborations

Throughout his career, Takashi has collaborated with talented individuals such as Ayako Kobayashi and Yoshihiko Matsuzawa. These collaborations have fostered a creative environment that has led to groundbreaking advancements in printing technology.

Conclusion

Takashi Doi's contributions to the field of printing are noteworthy, with his innovative patents paving the way for future advancements. His work continues to influence the industry, showcasing the importance of creativity and collaboration in technological development.

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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