Location History:
- Mitaka, JP (1985 - 1987)
- Hachioji, JP (1994)
- Hachiouji, JP (1998)
Company Filing History:
4 out of 42,508 
1 out of 374 
Years Active: 1985-1998
Title: Shigehiko Takayama: Innovator in Liquid Crystal Technology
Introduction
Shigehiko Takayama is a notable inventor based in Mitaka, Japan. He has made significant contributions to the field of liquid crystal technology, holding a total of 4 patents. His work has been instrumental in enhancing the performance of liquid crystal projectors and electron guns.
Latest Patents
One of Takayama's latest patents is a screen for liquid crystal projectors. This innovative screen allows images formed by the output light from a liquid crystal projector to be recognized even in the presence of extraneous light. The screen is designed for color liquid crystal projectors, projecting images formed on the liquid crystal by transmitting or reflecting light from a light source. It features Lippman-type holograms that exhibit high reflectance specifically for the wavelength band of the projector's output light. This design minimizes the reflection of extraneous light, ensuring that the projected image remains visible under various lighting conditions.
Another significant patent is for an electron gun with a bi-potential focusing lens. This invention comprises a triode part that controls an electron source generating multiple electron beams. The main electron lens is of the bi-potential focusing type, consisting of at least two cylindrical electrodes that focus the emitted electron beams. Additionally, electrostatic deflection plates are strategically placed on both the screen side and the electron source side of the main electron lens, enhancing the precision of the electron beam control.
Career Highlights
Throughout his career, Shigehiko Takayama has worked with prominent companies such as Hitachi, Ltd. and Nippon Hoso' Kyokai. His experience in these organizations has contributed to his expertise in developing advanced technologies in the field of electronics and imaging.
Collaborations
Takayama has collaborated with notable individuals in his field, including Masanori Maruyama and Masakazu Fukushima. These collaborations have likely fostered innovation and the exchange of ideas, further enhancing the impact of his work.
Conclusion
Shigehiko Takayama's contributions to liquid crystal technology and electron gun design have established him as a significant figure in the field of electronics. His innovative patents continue to influence the development of advanced imaging technologies.