Nagano, Japan

Takeo Seino

This inventor holds 86 USPTO granted patents and 1 published patent application, plus 6 CIPO patents and 6 EPO patents, primarily in Liquid Ejection Technology (CPC class B41J2-175). Top assignees: Seiko Epson Corporation, Seiko Epson Corporaition. Active years: 1998-2025.

USPTO Granted Patents = 86 

% Patents Active = 66.3



Average Co-Inventor Count = 3.3

ph-index = 21

Forward Citations = 1,345(Granted Patents)

Forward Citations (Not Self Cited) = 1,231(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Suwa, JP (2000 - 2006)
  • Nagano-ken, JP (2001 - 2011)
  • Shiojiri, JP (2005 - 2012)
  • Nagano, JP (1998 - 2017)
  • Matsumoto, JP (2014 - 2020)

Company Filing History:


Years Active: 1998-2025

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Areas of Expertise:
Liquid Ejecting Apparatus
Ink Cartridge
Liquid Container
Fluid Ejecting Apparatus
Control Method
Attachment System
Liquid Supplying Mechanism
Inkjet Printing
Check Valve
Vibration Sensor
Maintenance Method
Airtightness
86 patents (USPTO):Explore Patents

Title: Takeo Seino: Innovator in Liquid Ejecting Technology

Introduction

Takeo Seino, based in Nagano, Japan, is a renowned inventor with an impressive portfolio of 85 patents. His work primarily focuses on advancements in liquid ejecting technology, which has applications in various printing and manufacturing processes. Seino's innovations have significantly contributed to the efficiency and reliability of liquid ejecting systems.

Latest Patents

Among his latest patents, Seino has developed advanced systems such as the "Liquid ejecting apparatus and control method of liquid ejecting apparatus." This invention involves a liquid ejecting head that is capable of ejecting liquid from a container, featuring a display for real-time information. It includes a detection mechanism to monitor the remaining liquid level and a control system that calculates and displays the remaining liquid based on multiple variables, enhancing the usability of the apparatus.

Another significant patent is the "Control method for liquid ejecting system and liquid ejecting system," which outlines a specific data detection process for identifying non-liquid ejection data entries. This method helps prompt necessary inspections of the nozzles within the liquid ejecting system, ensuring that the machines operate effectively and reducing the risk of malfunctions during use.

Career Highlights

Seino has dedicated a substantial part of his career to working for esteemed organizations such as Seiko Epson Corporation. His contributions at these companies have been fundamental in pushing the boundaries of liquid ejecting technologies, providing innovative solutions that meet the needs of modern industries.

Collaborations

Throughout his career, Takeo Seino has collaborated with skilled professionals like Satoshi Shinada and Hitotoshi Kimura. These partnerships have fostered an environment of creativity and technological advancement, further enhancing Seino's reputation in the field of innovation.

Conclusion

Takeo Seino's extensive work in liquid ejecting technology has solidified his place as a prominent inventor in the industry. With a robust portfolio of patents and collaborative efforts with other innovators, he continues to push the envelope in creating more efficient and effective liquid ejection systems. His contributions are instrumental in shaping the future of printing and related technologies, marking him as a key figure in modern industrial innovation.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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