Mika Okada

Title: The Innovations of Mika Okada: Pioneering Advances in Material Science

Introduction: Mika Okada, an accomplished inventor based in Ibaraki, Japan, has made significant contributions to the field of material science with a portfolio of four patents. Her innovative spirit and dedication to research have led to the development of groundbreaking solutions in foamed sheets and laminated optical films.

Latest Patents: Among her latest inventions, Mika's foamed sheet stands out as a remarkable advancement. This foamed sheet boasts a thickness ranging from 30 to 500 μm and contains a foam characterized by a density of 0.2 to 0.7 g/cm. Notably, the foam exhibits an average cell diameter of 10 to 150 μm, along with a specific peak top of loss tangent (tan δ) occurring within a temperature range of -30°C to 30°C. The loss tangent is defined as the ratio of the loss modulus to the storage modulus, determined during dynamic viscoelastic measurements. The foam is designed to have a maximum loss tangent of 0.2 or more within the specified temperature range. Additionally, she has developed a laminated optical film that combines a polarizing plate with a retardation layer made from a water-dispersible pressure-sensitive adhesive composition containing an inorganic laminar compound.

Career Highlights: Mika Okada's dedication to innovation has flourished at Nitto Denko Corporation, where her work has been instrumental in advancing the company's capability in material applications. Her ability to connect complex scientific principles with practical solutions underscores her significance in the field.

Collaborations: Throughout her career, Mika has collaborated with talented colleagues such as Toshitaka Takahasi and Kenichi Okada. Together, they have fostered a creative environment that drives innovation and contributes to groundbreaking advancements in material science.

Conclusion: Mika Okada exemplifies the spirit of innovation within the realm of inventions and patents. Her contributions not only enhance the capabilities of Nitto Denko Corporation but also pave the way for future developments in material science. As she continues her journey of discovery, Mika remains an inspiring figure for aspiring inventors and researchers around the world.