Location History:
- Toyokawa, JP (1988)
- Osaka, JP (1989)
- Toyokwa, JP (1997)
Company Filing History:
Years Active: 1988-1997
Title: Keijiro Sakamoto: Innovator in Optical Technology
Introduction
Keijiro Sakamoto is a notable inventor based in Toyokawa, Japan. He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work primarily focuses on lens systems and viewing screens that enhance image projection and clarity.
Latest Patents
One of Sakamoto's latest patents is the Gradient Index Lens System. This innovative system features a radial gradient index lens with a refractive index that decreases from the optical axis along its height. The design includes two meniscus lens elements, arranged symmetrically around an aperture stop, with their convex surfaces facing both the object and image sides. This lens system is particularly useful in copying apparatuses and reading optical systems.
Another significant patent is the Transmission Viewing Screen of Image Projector Apparatus. This invention involves a light-transmission viewing screen that displays optical images from a beam of light projected onto it. The screen features a transparent or translucent plate and a transmission grating that diffracts the light beam toward a viewer's position, ensuring optimal image alignment.
Career Highlights
Keijiro Sakamoto is currently employed at Minolta Camera Kabushiki Kaisha, a company renowned for its advancements in imaging technology. His work at Minolta has allowed him to develop and refine his innovative optical systems, contributing to the company's reputation in the industry.
Collaborations
Sakamoto has collaborated with several talented individuals in his field, including Hitoshi Kageyama and Toshikazu Suzuki. These collaborations have fostered a creative environment that has led to the development of groundbreaking optical technologies.
Conclusion
Keijiro Sakamoto's contributions to optical technology through his patents and work at Minolta Camera Kabushiki Kaisha highlight his innovative spirit and dedication to advancing the field. His inventions continue to influence the way we perceive and interact with visual media.