Location History:
- Gifu, JP (1988)
- Mie, JP (1992)
- Kuwana, JP (1994 - 1995)
Company Filing History:
4 out of 1,379 
2 out of 10 Years Active: 1988-1995
Title: **The Innovations of Masao Yoshikawa: A Pioneer in Polyimides**
Introduction
Masao Yoshikawa, hailing from Kuwana, Japan, is a notable inventor recognized for his significant contributions to the field of polymer science. With a portfolio of five patents to his name, Yoshikawa has demonstrated a commitment to innovation, particularly in the development of polyimides and related resin compositions.
Latest Patents
Masao Yoshikawa's recent patents focus on polyimides characterized by exceptional thermal resistance. His latest innovations include a process for the preparation of polyimides involving the condensation of 4,4'-bis(3-aminophenoxy)biphenyl with pyromellitic dianhydride, utilizing a different diamine compound and optionally a tetracarboxylic acid dianhydride. These inventions encapsulate several aspects: a heat-resistant resin composition combining aromatic polyetherimide with a defined polyimide, a distinctive polyimide resin composition alongside a separate high-temperature engineering polymer, and a resin composition featuring both a defined polyimide and an aromatic polyamideimide, showcasing the versatility and functionality of these materials.
Career Highlights
Yoshikawa has worked with industry leaders such as Mitsui Toatsu Chemicals, Incorporated and Ntn-Rulon Industries, Co., Ltd.. His expertise in developing innovative polymer solutions has established him as a key figure in the advancement of high-performance materials. Throughout his career, his focus on enhancing thermal resistance in resins has been a defining characteristic of his work.
Collaborations
In his journey of innovation, Masao Yoshikawa has collaborated with prominent professionals including Masahiro Ohta and Shoji Tamai. These partnerships have not only reinforced his research endeavors but have also contributed to the broader advancements in the field of polymer chemistry.
Conclusion
Masao Yoshikawa's work exemplifies the spirit of innovation that drives the development of advanced materials in today's technological landscape. Through his dedication and ingenuity, he continues to influence the future of polymer science, paving the way for breakthroughs that enhance the capabilities of industry. His patents mark a significant impact on materials with applications across various high-tech sectors.
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.