Company Filing History:
3 out of 10,264 
2 out of 335 Years Active: 2016-2024
Title: Shinta Kasai: Innovator in Optical Technology
Introduction
Shinta Kasai is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on advancements in optical transmitters and receivers, showcasing his expertise in this specialized area.
Latest Patents
One of Shinta Kasai's latest patents is an optical transmitter and method for controlling an optical transmitter. This invention includes a controller that generates a multi-level amplitude modulated signal based on binary transmission data. The device features a driver that produces a drive signal in accordance with the modulated signal and a light emitter that generates an optical signal based on the drive signal. The controller is capable of selecting between two encoding methods based on a switching signal, allowing for flexibility in signal processing.
Another notable patent is an optical receiver and method of monitoring optical power of an optical signal. This optical receiver is designed to receive a wavelength-multiplexed optical signal and incorporates multiple photodetector (PD) elements. It includes a switch that selects one of the photocurrents output from the PD elements, an I/V converter that transforms the photocurrent into a voltage signal, and a digital-to-analog converter. The receiver estimates the power of the optical signals using look-up tables that correlate the power with the digitally converted photocurrents.
Career Highlights
Shinta Kasai has worked with esteemed companies such as Sumitomo Electric Industries and Sumitomo Electric Device Innovations. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Throughout his career, Shinta has collaborated with notable colleagues, including Fumihiro Nakajima and Masaaki Ono. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Shinta Kasai is a distinguished inventor whose work in optical technology has led to multiple patents and significant advancements in the field. His contributions continue to influence the industry and inspire future innovations.