Location History:
- Kadoma, JP (1992)
- Kooriyama, JP (1992)
- Yamatotakada, JP (1995)
Company Filing History:
Years Active: 1992-1995
Title: Innovative Contributions of Yoshihide Sawa
Introduction
Yoshihide Sawa, a notable inventor from Kadoma, Japan, has made significant contributions to the field of electrical engineering and materials science. With a total of three patents to his name, Sawa is recognized for his innovative techniques in fabricating multilayer circuit boards and enhancing the properties of polyimide compositions.
Latest Patents
Sawa's latest patents showcase his expertise in developing new methods and materials. One such patent describes a method of fabricating an internal composite layer for multilayer circuit boards. This innovative composite layer includes an electrically insulating substrate with a copper layer, which is treated to enhance adhesion strength through a unique process involving hydroxyl group supply and subsequent bonding with a silane coupling agent. The resulting layer exhibits excellent acid resistance while preventing common issues like pink-rings that may occur around through-hole plating.
Another noteworthy invention is the polyimide composition and prepreg and laminate thereof. In this patent, Sawa introduces triallyl isocyanurates to polyimide, which, combined with an accelerator and diluting solvent, leads to a reduction in dielectric constant, inherent viscosity, and surface tension. This advancement boosts the degree of resin impregnation in base materials, further enhancing the quality of the laminates produced.
Career Highlights
Yoshihide Sawa works at Matsushita Electric Works, Ltd., a leading company known for its innovations and contributions to the electronics sector. Throughout his career, he has focused on developing advanced materials and manufacturing techniques that are essential for modern electronic applications.
Collaborations
Sawa collaborates with esteemed colleagues such as Tokio Yoshimitsu and Kouji Sato. Together, they contribute to pushing the boundaries of technology and engineering, benefiting from their collective expertise and knowledge.
Conclusion
Yoshihide Sawa stands out as an influential inventor with a dedication to advancing materials and processes in the electronics field. His patents reflect a commitment to innovation, making significant strides toward better performance and reliability in electronic components. As he continues his work, his contributions will undoubtedly shape the future of technology.