Company Filing History:
Years Active: 1986-1992
Title: Toshimasa Ishida: Innovator in Optical Devices
Introduction
Toshimasa Ishida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical devices, holding a total of 5 patents. His work focuses on advancing technology in waveguide-type optical devices, which are essential for various applications in telecommunications and data processing.
Latest Patents
One of his latest patents is a waveguide-type optical device. This invention features a dielectric substrate with wave-guiding paths and electrodes that create an operation-controlling electric field for these paths. Additionally, a carrier capture layer is included to enhance the functionality of the device. Another notable patent is for an optical wave-length filter and its driving method. This filter consists of a wave-guide route on a substrate's surface, incorporating a front stage polarizer and multiple mode-converters. These components work together to effectively manage the transmission of light, ensuring optimal performance in optical applications.
Career Highlights
Toshimasa Ishida is currently employed at Oki Electric Industry Co., Ltd., where he continues to innovate and develop cutting-edge optical technologies. His expertise and dedication to research have positioned him as a key figure in the industry.
Collaborations
Throughout his career, Ishida has collaborated with talented individuals such as Hideaki Okayama and Hiroki Yaegashi. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Toshimasa Ishida's contributions to the field of optical devices exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of technology and its applications, making him a valuable asset to the industry.