Company Filing History:
Years Active: 2011-2014
Title: Yasuko Iwakawa: Innovator in Polarizing Film Technology
Introduction
Yasuko Iwakawa is an inventor based in Ibaraki-shi, Japan. He has made significant contributions to the field of polarizing film technology. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.
Latest Patent Applications
Iwakawa's recent patent applications include a method for producing polarizing film and a liquid crystal display device. This method involves preparing a lyotropic liquid crystalline solution with specific electric conductivity and containing a dichroic dye and a solvent. The process includes hydrophilization treatment of a base material and coating the solution at a high rate, resulting in a polarizing film with a dichroic ratio of 25 or more at a wavelength of 600 nm. Additionally, he has developed a polarizing fiber characterized by a sea-island structure, which can be utilized in creating high-quality polarizers with minimal transmittance unevenness and reduced crack generation.
Conclusion
Yasuko Iwakawa's work in polarizing film technology showcases his innovative spirit and dedication to advancing this field. His latest patent applications highlight his potential to contribute significantly to future developments in optical materials.