Company Filing History:
2 out of 877 
1 out of 232 Years Active: 1995-1998
Title: Fumio Nishitani: Innovator in Planar Lighting Technology
Introduction
Fumio Nishitani is a notable inventor based in Chita, Japan. He has made significant contributions to the field of planar lighting devices, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and functionality of lighting systems.
Latest Patents
Nishitani's latest patents include a light adjusting sheet for a planar lighting device. This invention features a plurality of convex and concave ridges or regions that are arranged alternately and approximately parallel to each other on one surface. Each of these regions is formed by two flat surfaces, and the ridges may have a cross-section resembling a sine curve. Another patent describes a light adjusting sheet that consists of multiple single sheets with the same configuration, stacked together. This design is integrated into a planar lighting device, where the peak lines of the convex ridges and the bottom lines of the concave ridges are arranged to form a predetermined angle with the axis of a linear light source. Additionally, a liquid crystal display element is placed in front of this planar lighting device, enhancing its overall functionality.
Career Highlights
Throughout his career, Fumio Nishitani has worked with prominent companies such as Sekisui Chemical Co., Ltd. and Sekisui Kagaku Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in lighting technology.
Collaborations
Nishitani has collaborated with talented individuals in his field, including Tomohiro Yokota and Hiroshi Ogawara. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Fumio Nishitani's work in planar lighting technology showcases his innovative spirit and dedication to improving lighting solutions. His patents reflect a deep understanding of light manipulation and design, making him a significant figure in the field.