Yokohama, Japan

Koichi Kubo

This inventor holds 77 USPTO granted patents and 7 published patent applications, plus 2 CIPO patents and 5 EPO patents, primarily in Liquid Ejection Technology (CPC class B41J). Top assignees: Canon Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Chevron Japan Limited. Active years: 1998-2026.

USPTO Granted Patents = 77 

% Patents Active = 72.7

 

 

Average Co-Inventor Count = 3.7

ph-index = 25

Forward Citations = 1,448(Granted Patents)

Forward Citations (Not Self Cited) = 1,259(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (2009 - 2010)
  • Mie-ken, JP (2014)
  • Kanagawa-ken, JP (2015)
  • Kawasaki, JP (2020)
  • Kawasaki Kanagawa, JP (2021)
  • Yokohama, JP (1998 - 2022)
  • Kanagawa, JP (2022 - 2023)

Company Filing History:


Years Active: 1998-2026

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Liquid Ejecting Apparatus
Lubricating Oil Compositions
Friction Modifier System
Ink Cartridge Adaptor
Pressure Control Unit
Low Viscosity Lubricating Oil
Guide Vane Apparatus
Nonvolatile Memory Device
Ink Jet Printer
Recording Apparatus
Liquid Storage Container
Ink Tank
77 patents (USPTO):Explore Patents

Title: Koichi Kubo: Innovator in Ink Technology

Introduction

Koichi Kubo, a prominent inventor based in Yokohama, Japan, holds an impressive portfolio of 70 patents. His expertise lies primarily in the field of ink technology, where he has developed innovative solutions that enhance the functionality and efficiency of ink cartridges and related devices.

Latest Patents

Among Kubo’s latest patents is the "Ink cartridge adaptor, ink cartridge and recording apparatus." This innovation incorporates a casing with multiple pad electrodes that are designed to move outwardly. This design aims to improve the connectivity and performance of ink cartridges. Another significant patent is the "Pressure control unit and liquid discharge device including pressure control unit." This invention features a liquid storage chamber with a flexible film wall and a pressing plate, which allows for precise control over liquid pressure and flow. The unique design ensures an efficient operation of the discharge mechanism, optimizing the performance of devices that rely on liquid discharge systems.

Career Highlights

Koichi Kubo has made remarkable contributions to various prestigious companies, including Canon and Toshiba. His experience at Canon Kabushiki Kaisha and Kabushiki Kaisha Toshiba allowed him to hone his skills and develop groundbreaking technologies that have had a substantial impact on the industry.

Collaborations

Throughout his career, Kubo has collaborated with talented individuals in the field. Notable coworkers such as Yasuo Kotaki and Tatsuo Nanjo have contributed to his projects, fostering an environment of innovation and creativity that has led to the development of several significant patents.

Conclusion

Koichi Kubo exemplifies the spirit of innovation within the realm of ink technology. With his 70 patents and collaborations with leading companies and skilled professionals, he continues to push the boundaries of what is possible in the industry, paving the way for future advancements. As technology evolves, Kubo's contributions will undoubtedly have lasting implications for the field.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to [email protected]
Loading…