This inventor holds 4 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignees: Kabushiki Kaisha Pilot Corporation, The Pilot Ink Co., Ltd.. Active years: 2016-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Aichi-ken, JP (2016)
- Tokyo-to, JP (2024)
Company Filing History:
4 out of 181 
1 out of 175 Years Active: 2016-2025
Title: Naoto Masushige: Innovator in Thermochromic Technology
Introduction
Naoto Masushige is a prominent inventor based in Aichi-ken, Japan. He has made significant contributions to the field of thermochromic materials, holding a total of 4 patents. His innovative work focuses on creating compositions that change color in response to temperature variations, which have various applications in writing instruments and other products.
Latest Patents
Masushige's latest patents include a reversibly thermochromic composition, a reversibly thermochromic microcapsule pigment encapsulating the composition, and a writing instrument utilizing this pigment. The thermochromic composition features a fluoran derivative that provides a black color during color development and turns colorless during decoloration. This technology excels in creating a stark contrast between its colored and decolored states. Additionally, he has developed an aqueous ink composition for writing instruments that maintains excellent writability while minimizing issues such as colorant aggregation and viscosity changes.
Career Highlights
Throughout his career, Naoto Masushige has worked with notable companies, including Kabushiki Kaisha Pilot Corporation and The Pilot Ink Co., Ltd. His experience in these organizations has allowed him to refine his expertise in thermochromic technologies and contribute to the development of innovative products.
Collaborations
Masushige has collaborated with talented individuals such as Takumi Kajiwara and Hirotaka Masuda. These partnerships have fostered a creative environment that has led to the advancement of thermochromic applications.
Conclusion
Naoto Masushige's work in thermochromic technology showcases his innovative spirit and dedication to advancing materials science. His contributions have the potential to impact various industries, particularly in the realm of writing instruments.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile