Yokohama, Japan

Hiroyuki Fujikawa


 

Average Co-Inventor Count = 6.3

ph-index = 33

Forward Citations = 2,042(Granted Patents)

Forward Citations (Not Self Cited) = 1,389(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Numazu, JP (2000)
  • Kanagawa, JP (2003 - 2008)
  • Kanagawa-ken, JP (2008)
  • Yokohama, JP (1999 - 2021)

Company Filing History:


Years Active: 1999-2021

Loading Chart...
Loading Chart...
Areas of Expertise:
Toner
Magnetic Carrier
Two-Component Developer
Image Forming Method
Developer Supply Kit
Developer Replenishing Cartridge
Color Toner
Fixing Device
Binary Developer
Developer Replenishment
Image Forming Apparatus
Magenta Toner
57 patents (USPTO):Explore Patents

Title: **Hiroyuki Fujikawa: Innovator in Toner and Magnetic Carrier Technologies**

Introduction

Hiroyuki Fujikawa, based in Yokohama, Japan, is renowned for his significant contributions to the field of toner and magnetic carrier technologies. With an impressive portfolio of 57 patents to his name, he has established himself as a leading inventor in his industry.

Latest Patents

Fujikawa's latest innovations include a sophisticated toner formulation that comprises a toner particle containing a binder resin and inorganic fine particles. These fine particles include aggregated particles composed of primary metal salts, specifically titanate and zirconate metal salts, with precise specifications for particle diameter and resistivity. Additionally, he developed a magnetic carrier characterized by a core particle coated with resin and inorganic fine particles that enhance its performance. The patents highlight essential parameters such as particle shape, surface treatment, and specific ratios that ensure optimal functionality in various applications.

Career Highlights

Currently employed at Canon Kabushiki Kaisha, Fujikawa has leveraged his expertise to drive technological advancements in printing solutions. His work has not only contributed to enhancing product quality but has also played a pivotal role in meeting the changing demands of the market.

Collaborations

Throughout his career, Fujikawa has collaborated with notable colleagues, including Nozomu Komatsu and Takakuni Kobori. Their teamwork has fostered an environment of innovation, resulting in several groundbreaking technologies that continue to impact the printing industry positively.

Conclusion

Hiroyuki Fujikawa is a distinguished inventor whose work in toner and magnetic carrier technologies has significantly advanced the capabilities and efficacy of printing solutions. His commitment to innovation and collaboration serves as a model for aspiring inventors in the field.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…