Location History:
- Tokyo, JP (1997)
- Shinjuku-Ku, JP (2000 - 2010)
Company Filing History:
Years Active: 1997-2010
Title: Innovations of Yoshiyuki Yamashita
Introduction
Yoshiyuki Yamashita is a notable inventor based in Shinjuku-ku, Japan. He has made significant contributions to the field of optical technologies, holding a total of 5 patents. His work focuses on enhancing light diffusion and projection technologies, which are essential in various display applications.
Latest Patents
Yamashita's latest patents include a light-diffusing member designed to eliminate non-uniformity in stripes. This innovative member diffuses transmitted light by utilizing total reflection. It features a diffusing-part base with grooves that taper toward the incident side, along with light-absorbing parts formed by a radiation-curing resin composition containing colored particles. Another significant patent is for a lenticular lens sheet that incorporates a light-shielding layer. This sheet consists of a light-transmitting lens body with a lenticular lens group and a silver salt emulsion light-shielding layer. The design ensures that light-transmitting areas align with the light-converging parts of the lenticular lenses, enhancing the overall optical performance.
Career Highlights
Yamashita has worked with prominent companies such as Dai Nippon Printing Co., Ltd. and Inctec Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technologies.
Collaborations
Yamashita has collaborated with notable individuals in his field, including Hitomu Watanabe and Toshikazu Nishio. These partnerships have contributed to the advancement of his inventions and the successful implementation of his patents.
Conclusion
Yoshiyuki Yamashita's contributions to optical technology through his patents demonstrate his innovative spirit and dedication to improving light diffusion and projection methods. His work continues to influence the industry and inspire future advancements.