Location History:
- Tokyo, JP (1988 - 1998)
- Kanagawa, JP (1992 - 2023)
Company Filing History:
Years Active: 1988-2025
Title: Koji Iijima: Innovator in Optical Technologies
Introduction
Koji Iijima is a prominent inventor known for his significant contributions to optical technologies. He is based in Kanagawa, Japan, and holds a total of 17 patents. His work primarily focuses on advancements in optical laminates, polarizing plates, and image display devices.
Latest Patents
Iijima's latest patents include an optical laminate that boasts excellent adhesiveness between two optically anisotropic layers. This invention features a layer obtained by fixing a twist-aligned liquid crystal phase, which demonstrates outstanding liquid crystal alignment properties. Additionally, he has developed a polarizing plate and an image display device that enhance visual performance. His optical laminate consists of a first optically anisotropic layer made from a first liquid crystal compound, a second layer from a second liquid crystal compound, and a mixed layer containing components from both. Furthermore, he has created a liquid crystal diffraction element designed to suppress ghosting in head-mounted displays, such as VR glasses.
Career Highlights
Throughout his career, Koji Iijima has worked with notable companies, including Sony Corporation and Fujifilm Corporation. His expertise in liquid crystal technologies has positioned him as a leader in the field of optical innovations.
Collaborations
Iijima has collaborated with esteemed colleagues, including Hiroshi Kobayashi and Tsuneo Sekiya, contributing to the advancement of optical technologies.
Conclusion
Koji Iijima's innovative work in optical technologies has made a lasting impact on the industry. His patents reflect a commitment to enhancing visual experiences through advanced optical solutions.