Location History:
- Hyogo, JP (1983 - 1991)
- Takatsuki, JP (1985 - 1995)
- Kashiwa, JP (1995)
Company Filing History:
10 out of 195 
2 out of 57 
1 out of 1 Years Active: 1983-1995
Title: Katsuhiko Ishida: Innovator in Heat Sensitive Recording Materials
Introduction
Katsuhiko Ishida is a prominent inventor based in Takatsuki, Japan. He has made significant contributions to the field of heat sensitive recording materials, holding a total of 14 patents. His innovative work has advanced the technology used in various recording applications.
Latest Patents
Ishida's latest patents include a heat sensitive recording material that features a recording layer formed on a substrate. This material contains a colorless or light-colored basic dye, specifically 3-(N-ethyl-N-p-tolyl)amino-6-methyl-7-p-toluidinofluoran, and a color acceptor, which is bis(3-allyl-4-hydroxyphenyl)sulfone and/or 4-hydroxy-4'-isopropoxydiphenylsulfone. Another notable patent involves a microcapsule containing an ultraviolet absorber, which is incorporated into a protective layer over the recording layer. This microcapsule has a capsule wall film of synthetic resin and a mean particle size of 0.1 to 3 micrometers.
Career Highlights
Throughout his career, Ishida has worked with notable companies such as Kanzaki Paper Manufacturing Co., Ltd. and New Oji Paper Co., Ltd. His experience in these organizations has allowed him to refine his expertise in the development of innovative recording materials.
Collaborations
Ishida has collaborated with several talented individuals in his field, including Tosaku Okamoto and Tomoyuki Okimoto. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Katsuhiko Ishida is a distinguished inventor whose work in heat sensitive recording materials has led to numerous patents and advancements in technology. His contributions continue to influence the industry and inspire future innovations.
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.