Company Filing History:
2 out of 3,870 
1 out of 1,332 Years Active: 2010-2013
Title: Takemichi Yoshida - Innovator in Polarizer Technology
Introduction
Takemichi Yoshida is an inventor based in Ibaraki-shi, Japan. He has made significant contributions to the field of optical technology, particularly in the development of polarizers. His innovative approach focuses on enhancing the performance and efficiency of polarizing materials.
Latest Patent Applications
Takemichi Yoshida's notable patent application includes a polarizer, method of manufacturing the same, polarizing plate, optical film, and image display. The polarizer comprises a polyvinyl alcohol-based film that is dyed with iodine and uniaxially stretched. It achieves a single transmittance of 43% or more, a polarizing efficiency of 99.9% or more, and a dichroic ratio of 30 or more. The dichroic ratio is calculated from the parallel transmittance (Tp) and crossed transmittance (Tc) at a wavelength of 440 nm, ensuring good hue.
Conclusion
Takemichi Yoshida's work in polarizer technology showcases his innovative spirit and dedication to advancing optical materials. His contributions are poised to impact various applications in the field of imaging and display technology.