Location History:
- Takasago, JP (1988 - 1989)
- Tsuchiura, JP (1990)
- Tsukuba, JP (1990)
- Tokyo, JP (1984 - 1995)
Company Filing History:
10 out of 622 
2 out of 1,379 
1 out of 2 Years Active: 1984-1995
Title: Naomasa Koike: Innovator in Heat-Sensitive Recording Materials
Introduction
Naomasa Koike is a prominent inventor based in Tokyo, Japan, known for his significant contributions to the field of heat-sensitive recording materials. With a total of 11 patents to his name, Koike has made remarkable advancements that enhance the functionality and stability of recording materials.
Latest Patents
Koike's latest patents include a heat-sensitive recording material that comprises a support and a heat-sensitive recording layer containing a leuco dye and a developer. This innovative layer is formed on one side of the support and includes an ultraviolet ray-absorbing agent, specifically a dimer ultraviolet ray-absorbing agent. Another notable patent involves a heat-sensitive recording material that features a colorless or pale-colored dyestuff precursor, along with one or more salicylic acid derivatives and an aliphatic amide compound with 18 to 60 carbon atoms in its molecular structure. This invention is recognized for its excellent thermal response and preservation stability of white portions and images.
Career Highlights
Throughout his career, Naomasa Koike has worked with esteemed companies such as Mitsubishi Paper Mills Limited and Mitsui Toatsu Chemicals, Incorporated. His experience in these organizations has allowed him to refine his expertise in the development of innovative recording materials.
Collaborations
Koike has collaborated with notable coworkers, including Shigetoshi Hiraishi and Atsuo Goto, contributing to the advancement of technology in their field.
Conclusion
Naomasa Koike's work in heat-sensitive recording materials showcases his innovative spirit and dedication to improving technology. His patents reflect a commitment to enhancing the quality and stability of recording materials, making a lasting impact in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.