Location History:
- Yokohama, JP (1990 - 1998)
- Tokyo, JP (2004 - 2009)
- Nagoya, JP (2012 - 2020)
Company Filing History:
5 out of 5,290 
5 out of 371 
3 out of 1,310 
Years Active: 1990-2020
Title: Ken-ichi Sato: Innovator in Optical Technology
Introduction
Ken-ichi Sato is a prominent inventor based in Nagoya, Japan, known for his significant contributions to optical technology. With a total of 14 patents to his name, Sato has made remarkable advancements in the field of optical cross-connect devices and optical switch devices. His work addresses critical challenges in scalability and cost-effectiveness in optical networks.
Latest Patents
One of Sato's latest patents is an optical cross-connect device designed to improve the efficiency of route and select-type configurations. Traditional OXC devices require a large number of wavelength selective switches (WSSs), making them impractical due to high costs. Sato's innovation allows for the use of fewer WSSs, regardless of the input and output port numbers, significantly reducing the overall cost of the device.
Another notable patent is for a wavelength routing switch (SW), which overcomes the limitations of conventional large-scale optical switch devices. By utilizing inexpensive general-purpose devices as fixed-wavelength light sources, Sato's design eliminates the need for complex control mechanisms. This advancement not only reduces channel loss but also enhances the overall performance of optical switch devices.
Career Highlights
Throughout his career, Ken-ichi Sato has worked with esteemed organizations such as Nippon Telegraph and Telephone Corporation and Nagoya University. His experience in these institutions has allowed him to collaborate on various innovative projects, further solidifying his reputation as a leading inventor in optical technology.
Collaborations
Sato has collaborated with notable colleagues, including Hiroshi Hasegawa and Yojiro Mori. Their combined expertise has contributed to the development of groundbreaking technologies in the optical field.
Conclusion
Ken-ichi Sato's contributions to optical technology through his patents and collaborations have significantly advanced the industry. His innovative solutions address critical challenges, paving the way for more efficient and cost-effective optical networks.