Nabari, Japan

Kunio Kojima

This inventor holds 63 USPTO granted patents, primarily in Magnetic Recording Technology (CPC class 369 ). Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1987-2012.


% Patents Active = 92.1

Average Co-Inventor Count = 3.5

ph-index = 15

Forward Citations = 842(Granted Patents)

Forward Citations (Not Self Cited) = 827(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nara, JP (1987 - 1996)
  • Tougane, JP (1997)
  • Funabashi, JP (2000 - 2001)
  • Nabari, JP (1995 - 2012)

Company Filing History:


Years Active: 1987-2012

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Areas of Expertise:
Magnetic Recording Medium
Electromagnetic Field
Optical Device
Information Reproducing
Data Management
Thermal Recording
Photodetector
Tracking Servo System
Image Processing
Composite Magnetic Head
Optical Information
63 patents (USPTO):Explore Patents

Title: Innovations of Kunio Kojima in Electromagnetic Technologies

Introduction

Kunio Kojima, hailing from Nabari, Japan, is a prominent inventor recognized for his significant contributions to the field of electromagnetic technology. With an impressive portfolio comprising 63 patents, Kojima has established himself as a leading figure in the innovation landscape of this technological realm.

Latest Patents

Kojima's recent inventions showcase his expertise, particularly in the application of electromagnetic fields. One of his latest patents is the "Electromagnetic field detecting element utilizing ballistic current paths." This invention features a substrate with a pair of electrodes and three insulation layers that possess different dielectric breakdown strengths. The design allows for the formation of ballistic current paths, facilitating efficient electromagnetic field detection at room temperature via the Aharonov-Bohm and Aharonov-Casher effects.

Another notable patent is the "Electromagnetic field generating element, information recording/reproducing head and information recording/reproduction apparatus." This invention addresses the challenges of magnetic field attenuation in high-frequency recording and reproducing heads. It includes a substrate, conductors, a plate-like conductor, and a semiconductor laser element to generate a near field. This mechanism enables high-frequency magnetic recording and reproduction, propelling advancements in information technology.

Career Highlights

Kunio Kojima's innovative spirit is reflected not only in his patents but also in his career trajectory at Sharp Corporation. His position at this renowned company has allowed him to pursue groundbreaking research and development in electromagnetic applications, underscoring his commitment to advancing technology.

Collaborations

Throughout his career, Kojima has collaborated with esteemed colleagues, including Shigemi Maeda and Shigeo Terashima. These partnerships have fostered an environment of creativity and shared knowledge, contributing to the successful development of several innovative projects.

Conclusion

Kunio Kojima's work in electromagnetic technology exemplifies the impact of innovation on modern engineering and technology fields. His diverse range of patents signifies a keen ability to address complex challenges and enhance existing technologies. Through his contributions, Kojima continues to shape the future of electromagnetic applications, making him a noteworthy inventor in the industry.

Profile summary based on public USPTO records.
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