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For the Inventor, By the Inventor

Nagano, Japan

Sukehiro Ito

This inventor holds 17 USPTO granted patents and 2 published patent applications. Top assignee: Seiko Epson Corporation. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sukehiro Ito. Retrieved from https://idiyas.com/inventor/sukehiro-ito-l0zvb7qy

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

USPTO Granted Patents = 17 

% Patents Active = 94.1

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 13(Granted Patents)


Location History:

  • Nagano-ken, JP (2013 - 2015)
  • Nagano, JP (2012 - 2020)
  • Matsumoto, JP (2021 - 2024)

Company Filing History:

goldMedal17 out of 34,296 
 
Seiko Epson Corporation
 patents

Years Active: 2012-2026

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17 patents (USPTO):Explore Patents
1. 12703181 - Liquid ejection apparatus and print head (2026-08-11),
2. 12479204 - Liquid ejection apparatus and print head (2025-11-25),
3. 12377652 - Liquid ejection apparatus and print head (2025-08-05),
4. 12358281 - Liquid ejection apparatus and print head (2025-07-15),
5. 11958289 - Liquid ejecting head control circuit and liquid ejecting apparatus (2024-04-16),
6. 11198289 - Liquid discharge head control circuit, liquid discharge head, and liquid discharge apparatus (2021-12-14),
7. 11034146 - Liquid discharge head control circuit, liquid discharge head, and liquid discharge apparatus (2021-06-15),
8. 10773521 - Cable group and cable (2020-09-15),
9. 10773519 - Liquid ejecting apparatus (2020-09-15),
10. 10744761 - Liquid ejecting apparatus (2020-08-18),
11. 10464314 - Liquid discharging apparatus and circuit substrate (2019-11-05),
12. 10160202 - Liquid discharging apparatus (2018-12-25),
13. 9016833 - Printing apparatus (2015-04-28),
14. 8991970 - Printing device, discharge test device and discharge test method (2015-03-31),
15. 8608270 - Printing device, discharge test device and discharge test method (2013-12-17),

Title: Sukehiro Ito: Innovator in Liquid Ejection Technology

Introduction

Sukehiro Ito is a prominent inventor based in Nagano, Japan. He has made significant contributions to the field of liquid ejection technology, holding a total of 17 patents. His work has been instrumental in advancing the capabilities of print heads and liquid ejection apparatuses.

Latest Patents

Among his latest innovations is a liquid ejection apparatus that features a drive signal output circuit designed to enhance the performance of print heads. This apparatus includes a temperature detection portion that monitors temperature information, allowing for precise control of the ejection process. The drive signal output circuit comprises an amplification circuit that generates an amplification modulation signal, a smoothing circuit that produces the drive signal, and a basic drive signal output circuit that adjusts the basic drive signal based on the detected temperature information. Notably, the frequency of the amplification modulation signal is higher when the temperature detection portion identifies relevant temperature information, ensuring optimal performance.

Another significant patent involves a liquid ejection apparatus where the first temperature information detected by a first ejection module triggers specific drive voltage signals based on the temperature range and ejection data. This innovative approach allows for enhanced control over the ejection process, improving the overall efficiency and effectiveness of the apparatus.

Career Highlights

Sukehiro Ito is currently employed at Seiko Epson Corporation, where he continues to develop cutting-edge technologies in the field of liquid ejection. His work has not only contributed to the company's success but has also set new standards in the industry.

Collaborations

Throughout his career, Sukehiro has collaborated with notable colleagues, including Kazunori Hiramatsu and Hideaki Nishimura. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Sukehiro Ito's contributions to liquid ejection technology exemplify the impact of dedicated inventors in advancing modern printing solutions. His numerous patents and ongoing work at Seiko Epson Corporation highlight his commitment to innovation in this vital field.

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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