Location History:
- Tokyo-to, JP (2004 - 2009)
- Tokyo, JP (2011 - 2022)
Company Filing History:
Years Active: 2004-2025
Title: Koujiro Ohkawa: Innovator in Light Guide Technology
Introduction
Koujiro Ohkawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of light guide plates. With a total of 13 patents to his name, Ohkawa's work has had a substantial impact on display technology.
Latest Patents
Ohkawa's latest patents include innovations such as a light-guide plate, an area light source device, and a display device. His manufacturing method for the light guide plate aims to suppress the occurrence of uneven luminance. The light guide plate is designed with a light entrance surface for incoming light, a light exit surface for output, and an opposite surface facing the entrance. Notably, the refractive index in the direction perpendicular to the light entrance surface is higher than that in the direction parallel to the light exit surface.
Career Highlights
Koujiro Ohkawa is associated with Dai Nippon Printing Co., Ltd., where he has been instrumental in advancing optical technologies. His innovative approaches have led to the creation of products that enhance visual experiences in various applications.
Collaborations
Ohkawa has worked alongside talented colleagues, including Isao Inoue and Kohei Komizo. Their collaborative efforts have contributed to the successful development of cutting-edge technologies in the field.
Conclusion
Koujiro Ohkawa's contributions to light guide technology exemplify his dedication to innovation. His patents and collaborative work continue to influence the industry, paving the way for future advancements in display technology.