Location History:
- Hiratsuka, JP (2000)
- Tokyo, JP (2014)
Company Filing History:
Years Active: 2000-2014
Title: Norihiro Sakamoto: Innovator in Light Source and Electrophotography Technologies
Introduction
Norihiro Sakamoto is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of light source devices and electrophotography. With a total of 2 patents, Sakamoto's work showcases his innovative approach to technology.
Latest Patents
Sakamoto's latest patents include a surface light source device and an LCD unit. This device features a local dimming function and incorporates a light guide with a top surface that includes a plurality of linear convexes and a bottom surface with a plurality of dots. Additionally, it consists of a reflective sheet adjacent to the bottom surface, a prism sheet next to the top surface, and a diffusing sheet located adjacent to the prism sheet. The device is equipped with a pair of LED light sources that are divided into multiple groups, allowing for independent emission from local domains on the light-emitting surface. This design provides a surface light source device with a local dimming function while maintaining a simple structure similar to conventional edge light type devices.
Another notable patent is a photosensor designed for use in electrophotography. This invention aims to prevent image anomalies, such as blurring, even in high-humidity environments and after numerous printing repetitions. The photosensor features a photoconductive layer made of an amorphous material with silicon atoms as the primary element, deposited on a conductive substrate. A surface protective film is also included to enhance durability and resistivity to humidity.
Career Highlights
Norihiro Sakamoto is currently employed at Stanley Electric Co., Ltd., where he continues to develop innovative technologies. His work has significantly impacted the fields of display technology and printing.
Collaborations
Sakamoto has collaborated with notable coworkers, including Atsushi Omori and Tsuneo Sekiguchi. Their combined expertise has contributed to the advancement of their projects and innovations.
Conclusion
Norihiro Sakamoto's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His work in light source devices and electrophotography continues to shape the industry and inspire future innovations.