Tokyo, Japan

Koichi Ishida

This inventor holds 63 USPTO granted patents and 27 published patent applications and 8 EPO patents, primarily in Liquid Ejection Technology (CPC class B41J). Top assignees: Canon Kabushiki Kaisha, Kao Corporation, The University of Tokyo. Active years: 1992-2026.

USPTO Granted Patents = 63 

% Patents Active = 82.5

 

Average Co-Inventor Count = 4.5

ph-index = 13

Forward Citations = 484(Granted Patents)

Forward Citations (Not Self Cited) = 461(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tochigi, JP (1992 - 1993)
  • Funabashi, JP (1997 - 2000)
  • Tokyo, JP (1997 - 2024)

Company Filing History:


Years Active: 1992-2026

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Areas of Expertise:
Liquid Ejection Head
Liquid Discharge Head
Printing Apparatus
Liquid Ejection Method
Print Element Substrate
Recording Element Board
Liquid Ejection Module
Ink Jet Printing
Electrophotographic Recording
Mist Collection Method
Liquid Ejecting Device
Recording Method
63 patents (USPTO):Explore Patents

Title: Koichi Ishida: Pioneering Innovations Through Relentless Passion

Introduction: Koichi Ishida, a renowned inventor based in Tokyo, Japan, has established himself as a true pioneer in the world of inventions. With an impressive portfolio of 56 patents, Ishida's relentless pursuit of innovation and his unwavering passion for creating a better future through technology set him apart as a visionary in his field.

Latest Patents: Among Ishida's latest patents is the "Liquid Discharge Head and Liquid Discharge Method." This cutting-edge invention features a sophisticated liquid discharge head with precision components designed to optimize liquid discharge processes. The head includes pressure chambers, liquid channels for supply and recovery, and innovative design elements to enhance efficiency and performance.

Career Highlights: Throughout his career, Ishida has made significant contributions to companies such as Canon Inc. and Kao Corporation. His innovative spirit and technical expertise have played a pivotal role in shaping the trajectory of technological advancements in the industry. With each patent, Ishida has demonstrated his commitment to pushing the boundaries of what is possible in the world of inventions.

Collaborations: Ishida has had the privilege of collaborating with esteemed colleagues such as Shuzo Iwanaga and Yoshiyuki Nakagawa. Together, they have fueled creative synergies, exchanged ideas, and brought to life groundbreaking innovations that have left a lasting impact on the field of technology.

Conclusion: Koichi Ishida's exceptional talent, dedication, and visionary approach to innovation have positioned him as a true trailblazer in the world of inventions. His relentless pursuit of excellence and passion for creating a better future through technology serve as an inspiration to inventors and innovators worldwide, shaping the landscape of technological progress for generations to come.

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