Location History:
- Kanagawa, JP (1992)
- Kawasaki, JP (1989 - 1998)
- Kisaradu, JP (2002)
- Tokyo, JP (2004)
- Chiba, JP (2004)
Company Filing History:
6 out of 173 
4 out of 3,542 
1 out of 390 
Years Active: 1989-2004
Title: **Inventor Koichi Fujishiro: Pioneering Innovations in Insulating Resin Composition**
Introduction
Koichi Fujishiro, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of materials science. With a total of seven patents to his name, Fujishiro's work focuses primarily on innovative insulating resin compositions that enhance the performance of electronic devices.
Latest Patents
Fujishiro's latest invention, titled "Insulating Resin Composition and Laminate Obtained Therefrom," introduces a novel insulating resin composition that exhibits both high impact and heat resistance. This composition is notable for its good adhesiveness to plating metals and its selective etchability by permanganate salts, commonly utilized in plating operations. It is ideally suited for insulating layers in multilayer wiring boards. The formulation includes 3-10 parts by weight of a crosslinked elastic polymer, which has carboxyl groups and is dispersed in the resin component, with an average secondary particle diameter ranging from 0.5 to 2 µm. Additionally, it comprises a composition of aromatic polyepisulfide, polyglycidyl ether and/or ester, and acid anhydride.
Career Highlights
Throughout his career, Koichi Fujishiro has worked with reputable organizations such as Nippon Steel Chemical Co., Ltd. and Nippon Steel Corporation. His experience in these companies has allowed him to develop cutting-edge materials that cater to the evolving needs of the manufacturing and electronics industries.
Collaborations
Fujishiro has collaborated with several notable individuals in his field, including Shinji Inaba and Shuichi Mitamura. These collaborations have fostered a creative environment that has been instrumental in pushing the boundaries of research and development surrounding insulating materials.
Conclusion
Koichi Fujishiro stands out as a key figure in the realm of innovations involving insulating resins. His contributions through patents and collaborations reflect a commitment to advancing technology and enhancing the functionality of electronic components. With his ongoing dedication to research, Fujishiro continues to shape the future of materials science.
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.