Kanagawa, Japan

Yasuaki Hashimoto

This inventor holds 24 USPTO granted patents and 4 published patent applications and 1 EPO patent, primarily in Electrostatic Image Development. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp., Nippon Soda Co., Ltd.. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuaki Hashimoto. Retrieved from https://idiyas.com/inventor/yasuaki-hashimoto

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 24 

% Patents Active = 75.0


Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 10(Granted Patents)


Location History:

  • Ninomiya, JP (2010)
  • Minamiashigara, JP (2017)
  • Kanagawa, JP (2007 - 2021)

Company Filing History:


Years Active: 2007-2026

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Areas of Expertise:
Electrostatic Charge Image Developer
Toner Cartridge
Image Forming Apparatus
Process Cartridge
Electrostatic Image Developing Toner
Electrostatic Image Developer
Image Forming Method
Carrier for Electrostatic Image Development
Developing Device
Molecular Compound Production
24 patents (USPTO):Explore Patents

Title: Yasuaki Hashimoto: Innovator in Electrostatic Charge Imaging Technologies

Introduction

Yasuaki Hashimoto is a notable inventor based in Kanagawa, Japan, recognized for his significant contributions to the field of electrostatic charge imaging technologies. With a remarkable portfolio of 23 patents, Hashimoto has developed innovative solutions that enhance the efficiency and quality of imaging processes.

Latest Patents

Among his latest patents are the "Electrostatic Charge Image Developing Toner" and "Electrostatic Charge Image Developer." The electrostatic charge image developing toner features toner particles and an external additive consisting of two types of perovskite-type compound particles. Particles A maintain an equivalent circle diameter between 15 nm and 90 nm, while particles B have a diameter of 1.0 μm to 3.0 μm and compose 0.3% to 3.5% of the total toner particles.

Additionally, another notable patent involves the development of an "Electrostatic Image Developing Toner" that includes toner particles, layered compound particles, and inorganic particles. In this formulation, the titanium content is specified to be at least 0.1 ppm and less than 1,500 ppm.

Career Highlights

Throughout his career, Hashimoto has contributed his expertise to industry-leading companies, such as Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corporation. His work has significantly impacted the development of advanced imaging technologies that are widely utilized in various applications.

Collaborations

Hashimoto has collaborated with acclaimed professionals in the industry, including Takuro Watanabe and Hiroaki Saijo. These collaborations have furthered innovation in imaging technology, showcasing the importance of teamwork in achieving groundbreaking advancements.

Conclusion

Yasuaki Hashimoto's dedication to refining electrostatic charge imaging technologies is evident through his extensive patent portfolio and collaborative efforts in the field. As imaging technology continues to evolve, Hashimoto's innovations pave the way for improved efficiency and effectiveness in various imaging applications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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