Shizuoka, Japan

Takafumi Hara

This inventor holds 37 USPTO granted patents and 23 published patent applications and 4 EPO patents, primarily in Toner Technology. Top assignees: Toshiba Tec Kabushiki Kaisha, Kabushiki Kaisha Toshiba, Other. Active years: 2010-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takafumi Hara. Retrieved from https://idiyas.com/inventor/takafumi-hara

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

USPTO Granted Patents = 37 

% Patents Active = 73.0

 

Average Co-Inventor Count = 5.1

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Shinagawa-ku, Tokyo, JP (2010)
  • Mishima, JP (2010 - 2012)
  • Shizuoka, JP (2011 - 2016)
  • Shizuoka-ken, JP (2012 - 2017)
  • Nagaizumi Shizuoka, JP (2016 - 2020)
  • Nagaizumi Sunto Shizuoka, JP (2020 - 2021)
  • Sunto Shizuoka, JP (2018 - 2023)

Company Filing History:


Years Active: 2010-2024

Loading Chart...
Loading Chart...
Areas of Expertise:
Decolorizable Toner
Toner Cartridge
Image Forming Apparatus
Color Erasing System
Aqueous Inkjet Ink
Reversibly Allochroic Toner
Electrophotographic Toner
Developing Agent
Erasable Toner
Printed Material
Colorable Material
Ink Production
37 patents (USPTO):Explore Patents

Title: The Innovative Journey of Takafumi Hara

Introduction: Takafumi Hara is a notable inventor based in Shizuoka-ken, Japan, recognized for his substantial contributions to the field of manufacturing and materials science. With a remarkable portfolio of 37 patents, Hara has made significant advances, particularly in the areas of printed materials and colorable substances.

Latest Patents: Among his latest innovations are two patents that showcase his inventive prowess. The first patent is a manufacturing method of printed material that stores machine-readable information. This method involves the formation of a first layer on a base material, which includes a first code symbol using a specific coloring material. A subsequent layer encompasses a second code symbol that represents different information and is made with a different, decolorable coloring material, providing a unique way to encode information. The second patent introduces a method for producing a colorable material, which allows for the creation of high-definition and decolorable images. This involves a complex process of combining a color developable agent with a powder form that remains insoluble until the necessary conditions for color development are applied.

Career Highlights: Takafumi Hara has had a distinguished career, working with well-known companies such as Toshiba Tec Corporation and Toshiba Corporation. His role in these companies has facilitated the development and patenting of innovative solutions that address modern manufacturing challenges.

Collaborations: Throughout his career, Hara has collaborated with prominent professionals in the industry, including Tsuyoshi Itou and Masahiro Ikuta. These collaborations have played a crucial role in expanding his research capabilities and enhancing the creativity involved in his patents.

Conclusion: Takafumi Hara exemplifies the spirit of innovation through his significant contributions to the fields of printed materials and colorable substance production. His extensive patent portfolio underscores his commitment to advancing technology and providing solutions that benefit various industries. As he continues to innovate, the impact of his work will be felt across multiple sectors, shaping the future of manufacturing and material science.

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]
Loading…