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For the Inventor, By the Inventor

Azumino, Japan

Shinichi Tsubota

This inventor holds 11 USPTO granted patents and 3 published patent applications. Top assignees: Seiko Epson Corporation, Seiko Epson Corporaition. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinichi Tsubota. Retrieved from https://idiyas.com/inventor/shinichi-tsubota

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

USPTO Granted Patents = 11 

% Patents Active = 90.9

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:

goldMedal10 out of 34,268 
 
Seiko Epson Corporation
 patents
silverMedal1 out of 23 
 
Seiko Epson Corporaition
 patents

Years Active: 2012-2025

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11 patents (USPTO):Explore Patents
1. 12337598 - Maintenance method of head unit (2025-06-24),
2. 11413870 - Liquid ejecting head and liquid ejecting apparatus (2022-08-16),
3. 11117371 - Recording system (2021-09-14),
4. 10981383 - Liquid ejecting head and liquid ejecting apparatus (2021-04-20),
5. 10882319 - Liquid ejecting apparatus (2021-01-05),
6. 10486425 - Liquid ejecting apparatus and method of driving the same (2019-11-26),
7. 9527323 - Liquid discharging apparatus (2016-12-27),
8. 9302476 - Liquid ejecting apparatus (2016-04-05),
9. 8777371 - Maintenance device and liquid ejecting apparatus (2014-07-15),
10. 8403441 - Liquid ejecting apparatus and control method thereof for restoring an ejection capability (2013-03-26),
11. 8292397 - Liquid ejecting apparatus and control method thereof (2012-10-23),

Title: The Innovative Contributions of Shinichi Tsubota

Introduction

Shinichi Tsubota is a prominent inventor based in Azumino, Japan. He has made significant contributions to the field of liquid ejecting technology, holding a total of 11 patents. His work has been instrumental in advancing the efficiency and functionality of various liquid ejecting devices.

Latest Patents

Among his latest patents is a maintenance method for a head unit. This method involves supplying different driving signals to nozzle arrays to effectively eject liquid. Another notable patent is for a liquid ejecting head that features first nozzles designed to eject liquid in a specific direction. This head includes a water-repellent film member that enhances its performance by exposing the nozzle forming surface.

Career Highlights

Shinichi Tsubota has worked with Seiko Epson Corporation, a leading company in the printing and imaging industry. His experience at Seiko Epson has allowed him to develop innovative solutions that address the challenges in liquid ejection technology.

Collaborations

Throughout his career, Tsubota has collaborated with notable colleagues such as Shuji Yonekubo and Shigeki Suzuki. These collaborations have contributed to the development of advanced technologies in the field.

Conclusion

Shinichi Tsubota's innovative work and numerous patents have significantly impacted the liquid ejecting technology landscape. His contributions continue to influence advancements in this field, showcasing his expertise and dedication to innovation.

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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