Location History:
- Shiga, JP (1991)
- Koka-gun, JP (2001)
- Kyoto, JP (2018)
Company Filing History:
Years Active: 1991-2018
Title: Masahiko Yamanaka: Innovator in Polycarboxylic Acid Anhydrides
Introduction
Masahiko Yamanaka is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of polycarboxylic acid anhydrides. With a total of 3 patents to his name, Yamanaka continues to push the boundaries of innovation in his field.
Latest Patents
Yamanaka's latest patents include a novel polycarboxylic acid anhydride that features a structural unit represented by a specific formula. This invention provides a unique polycarboxylic acid anhydride that, when utilized as an epoxy resin-curing agent, stabilizes the composition of the resin. The resulting resin molded article exhibits excellent properties such as heat resistance, transparency, thermal yellowing resistance, surface hardness, solvent resistance, flexibility, and adhesiveness. Another significant patent involves an epoxy resin that contains specific groups and has a number average molecular weight ranging from 400 to 10,000. This epoxy resin is designed for various applications, including photo-curable resin compositions and resin compositions for powder coatings.
Career Highlights
Masahiko Yamanaka is currently associated with New Japan Chemical Co., Ltd., where he continues to innovate and develop new chemical products. His work has garnered attention in the industry, and he is recognized for his expertise in epoxy resins and curing agents.
Collaborations
Yamanaka has collaborated with notable colleagues such as Tomio Nobe and Shigeo Takatsuji. These collaborations have further enhanced his research and development efforts, leading to advancements in chemical applications.
Conclusion
Masahiko Yamanaka is a distinguished inventor whose work in polycarboxylic acid anhydrides and epoxy resins has made a significant impact in the field of chemical engineering. His innovative patents and ongoing contributions continue to shape the industry.