Location History:
- Kawasaki, JP (1990)
- Sagamihara, JP (2005 - 2016)
- Kanagawa, JP (2014 - 2017)
- Tokyo, JP (2017)
Company Filing History:
5 out of 680 
3 out of 4,245 
2 out of 3,106 
Years Active: 1990-2017
Title: Takahiro Takagi: Innovator in Retardation Films and Liquid Crystal Displays
Introduction
Takahiro Takagi, an esteemed inventor located in Sagamihara, Japan, holds an impressive portfolio of 13 patents. His innovative contributions primarily focus on the fields of retardation films, polarizing plates, and liquid crystal displays. Takagi's work significantly advances the technology used in display devices, making them more efficient and effective.
Latest Patents
Among Takagi’s latest inventions are breakthrough patents related to a retardation film that includes a cellulose ester. This film is characterized by a thickness ranging from 15 to less than 40 micrometers and demonstrates minimal thickness variations across both widthwise and lengthwise directions. The film also meets specific humidity fluctuation requirements that enhance its performance. Another notable invention is a phase difference film aimed at providing superior adhesion to polarizers with minimal change in retardation related to residual solvents during the stretching process. This film consists of cellulose acetate with precise degrees of acetyl substitution, ensuring high-quality performance in liquid crystal display applications.
Career Highlights
Takahiro Takagi has had a distinguished career with significant contributions while working at notable companies such as Konica Minolta Opto, Inc. and Konica Minolta, Inc. His experience in these organizations has allowed him to hone his expertise in optical film technologies, leading to several innovative patents that are widely recognized in the industry.
Collaborations
Throughout his career, Takagi has collaborated with talented professionals, including Yasushi Okubo and Kaori Ono. These collaborations have been pivotal in driving innovations and ensuring that his inventions meet the industry's evolving demands.
Conclusion
Takahiro Takagi's dedication to innovation in the realm of optical films and display technology is evident in his extensive patent portfolio. His contributions not only enhance the efficiency of liquid crystal displays but also make a substantial impact in advancing the field, marking him as a leading figure in contemporary technological innovation.