Yokohama, Japan

Shinji Ishikawa

This inventor holds 83 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Optical Fiber Technology (CPC class G02B6-34). Top assignees: Sumitomo Electric Industries, Limited, Kyushu University. Active years: 1991-2021.

USPTO Granted Patents = 83 

% Patents Active = 75.9


Average Co-Inventor Count = 3.6

ph-index = 16

Forward Citations = 966(Granted Patents)

Forward Citations (Not Self Cited) = 951(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa, JP (1995 - 2008)
  • Yokohama, JP (1991 - 2021)

Company Filing History:


Years Active: 1991-2021

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Areas of Expertise:
Optical Fiber
Optical Amplifier
Dispersion-Compensating Fiber
Porous Carbon Material
Electric Double-Layer Capacitor
Silicon Metal Production
Optical Communication System
Optical Waveguide
Capacitor Electrode
Optical Grating
Fluorescence Glass
Raman Amplifier
83 patents (USPTO):Explore Patents

Certainly! Here is the article about inventor Shinji Ishikawa:

Title: The Inventor Extraordinaire - Shinji Ishikawa

Introduction:

Shinji Ishikawa, a prolific inventor hailing from Yokohama, Japan, has made a significant mark in the world of innovation with his impressive portfolio of 83 patents. His groundbreaking work and dedication to advancing technology have cemented his reputation as a trailblazer in the field of material science.

Latest Patents:

Among his latest patents is the revolutionary "Method for producing porous carbon material," which involves a meticulous process of heat treatment under a chlorine gas atmosphere to create a high-quality porous carbon material. Another notable invention is the "Porous carbon material for electric double-layer capacitor electrode," which boasts exceptional properties ideal for enhancing the performance of electric double-layer capacitors.

Career Highlights:

Shinji Ishikawa has showcased his expertise while working with esteemed organizations such as Sumitomo Electric Industries, Limited, and Kyushu University. His innovative spirit and unwavering commitment to excellence have led to the successful development of cutting-edge technologies that have a profound impact on various industries.

Collaborations:

Throughout his career, Shinji Ishikawa has collaborated with talented individuals such as Hiroo Kanamori and Masakazu Shigehara. Together, they have synergized their skills and knowledge to push the boundaries of scientific discovery and bring forth novel solutions to complex challenges.

Conclusion:

In conclusion, Shinji Ishikawa's remarkable contributions to the world of innovation stand as a testament to his visionary mindset and ingenuity. His relentless pursuit of excellence continues to inspire future generations of inventors and researchers to push the limits of what is possible in the realm of material science.

Profile summary based on public USPTO records.
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