Location History:
- Hadano, JP (1998 - 2000)
- Kanagawa, JP (2000 - 2002)
Company Filing History:
3 out of 1,441 
2 out of 164,219 
1 out of 832,880 Years Active: 1998-2002
Title: The Innovative Contributions of Koji Kawada
Introduction
Koji Kawada is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical devices, particularly in the development of light guide technologies. With a total of 4 patents to his name, Kawada's work has had a substantial impact on the design and functionality of liquid crystal display devices.
Latest Patents
Kawada's latest patents include a light guide device that enhances a polarized component and a liquid crystal display device. The first patent focuses on achieving high conversion efficiency in a light guide that produces polarized components through transmission. The design involves a light source incident on a light guide with multiple layers, where the polarized component is rotated in its polarization plane by a wave length plate. This innovative approach allows for the reentrance of light into the guide, significantly improving the efficiency of the polarized component.
The second patent addresses the need for a lightweight and compact light guide unit for backlighting in liquid crystal displays. This invention aims to prevent the emitted light from appearing in dark and bright stripes. By utilizing a prism sheet with a larger apex angle and grooves inclined at angles related to Brewster's angle, Kawada's design enhances the overall performance of the light guide unit.
Career Highlights
Throughout his career, Koji Kawada has worked with prominent companies such as Stanley Electric Co., Ltd and IBM. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in optical technology.
Collaborations
Kawada has collaborated with notable colleagues, including Yoji Oki and Masaru Suzuki. Their combined expertise has fostered an environment of creativity and innovation, leading to the development of advanced optical solutions.
Conclusion
Koji Kawada's contributions to the field of optical devices, particularly through his patents, demonstrate his commitment to innovation and excellence. His work continues to influence the design of liquid crystal display technologies, showcasing the importance of inventive thinking in advancing modern technology.