Aichi, Japan

Akio Nakashima

This inventor holds 19 USPTO granted patents and 1 published patent application and 6 EPO patents, primarily in Thermochromic Materials. Top assignees: The Pilot Ink Co., Ltd., Kabushiki Kaisha Pilot Corporation. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akio Nakashima. Retrieved from https://idiyas.com/inventor/akio-nakashima

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

USPTO Granted Patents = 19 

% Patents Active = 94.7


Average Co-Inventor Count = 1.6

ph-index = 6

Forward Citations = 161(Granted Patents)


Location History:

  • Tsushima, JP (1996 - 2007)
  • Tushima, JP (2009)
  • Aichi, JP (1999 - 2012)
  • Nagoya, JP (2005 - 2015)
  • Aichi-ken, JP (2006 - 2024)

Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Thermochromic
Color-Change
Metachromatic
Ink Composition
Accessory Making
Water-Discoloring
Drawing Toy
Laminates
Footwear
Composition
Light-Fastness
Writing Instrument
19 patents (USPTO):Explore Patents

Title: **Akio Nakashima: A Trailblazer in Discoloring Technologies**

Introduction

Akio Nakashima, based in Aichi-ken, Japan, is a prominent inventor specializing in innovative discoloring technologies. With an impressive portfolio of 18 patents, Nakashima has made significant contributions to various industries, ranging from toys to decorative applications.

Latest Patents

One of Nakashima's latest innovations is the development of a **discoloring body having glossiness**. This invention addresses the challenge of creating a discoloring material that can be easily discolored by the application of water while maintaining high glossiness. Its versatile applicability spans several fields, including toys, decorations, and design.

Another noteworthy patent is the **ink composition for reversibly thermochromic stamps and stamps**. This ink composition utilizes a reversibly thermochromic microencapsulated pigment, allowing for dynamic color changes in stamps. Such innovations underscore Nakashima's commitment to blending technology with creative applications.

Career Highlights

Throughout his career, Nakashima has worked with recognized companies such as Pilot Ink Co., Ltd. and Kabushiki Kaisha Pilot Corporation. His experience in these organizations has honed his skills in the field of ink technologies and discoloring materials, paving the way for his several patents.

Collaborations

Nakashima has collaborated with notable professionals such as Hisayoshi Kato and Yoshiaki Ono. These partnerships have contributed to the advancement of his inventions and have enhanced the impact of his patented technologies on the market.

Conclusion

Akio Nakashima's contributions to the field of discoloring technologies highlight his innovative spirit and dedication to enhancing product functionality and aesthetics. With a growing list of patents, he continues to inspire future generations of inventors and expand the possibilities within various industries.

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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