Location History:
- Osaka, JP (1989 - 1994)
- Takatsuki, JP (1994 - 1999)
- Osaka-fu, JP (1999)
- Ibaraki, JP (2000 - 2001)
- Niihama, JP (2004 - 2010)
Company Filing History:
Years Active: 1989-2010
Title: Innovations of Koji Higashi in the Field of Transflective Technology
Introduction
Koji Higashi, based in Takatsuki, Japan, is a prolific inventor renowned for his contributions to optical technologies. With a remarkable portfolio of 21 patents, he has made significant advances in transflective film technology, enhancing the performance of liquid crystal displays and polarizing devices.
Latest Patents
Among his latest patents, Koji has developed technologies such as a transflective film that features a polymer film with an in-plane phase retardation value of approximately 30 nm or less. This innovative film comprises a transflective layer made from an inorganic compound and exhibits a reflectance ranging from about 10% to about 95%. When an absorption-type polarizer is placed on the polymer film's side, it forms a transflective polarizer, while a reflection-type polarizer on the inorganic layer side creates a system designed to improve luminance. Additionally, his patents also cover a dual polarizing device, combining a reflection-type polarizer and a dichroic polarizer to maximize light transmission and polarizing efficiency.
Career Highlights
Koji Higashi is a key figure at Sumitomo Chemical Company, Limited, where his work focuses on developing state-of-the-art optical materials. His expertise in creating transflective films and devices has positioned him as a leader in innovation within the company and the industry, helping to meet the growing demand for advanced display technologies.
Collaborations
Throughout his career, Koji has collaborated with talented individuals such as Akiko Shimizu and Toyokazu Okada. These partnerships have fostered a creative environment that has led to the successful development of new technologies and patents, further expanding the boundaries of optical innovations.
Conclusion
Koji Higashi's extensive work in the field of transflective technology exemplifies his dedication to innovation and advancement in optical engineering. His patents not only enhance liquid crystal displays but also contribute to the overall improvement of visual devices, solidifying his legacy as a leading inventor in Japan and beyond.