Location History:
- Tokorozawa, JP (1989 - 1991)
- Hachioji, JP (1994)
- Tokyo, JP (2010 - 2014)
Company Filing History:
7 out of 5,289 
2 out of 27 
Years Active: 1989-2014
Title: Shigeo Urushidani: Innovator in Optical Network Technologies
Introduction
Shigeo Urushidani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical networks, holding a total of seven patents. His work focuses on path management control methods and systems that enhance the efficiency and reliability of optical communications.
Latest Patents
Urushidani's latest patents include a path management control method, a path management control program, a path management controller, and a path management control system. The path management controller is designed to manage resource information, including reservation statuses of working paths and advance reserved paths. This technology calculates routes for setting new paths and adjusts existing paths when necessary. If a new path cannot be established due to insufficient bandwidth, the controller can calculate alternative routes or execute time slot rearrangements to optimize resource usage. Additionally, his work on optical networks involves establishing optical paths and connecting external IP networks through optical edge routers, which maintain topology information and facilitate multi-layer cooperative functions.
Career Highlights
Throughout his career, Urushidani has worked with notable organizations, including Nippon Telegraph and Telephone Corporation and the Inter-university Research Institute Corporation Research Organization of Information and Systems. His expertise in optical network technologies has positioned him as a key figure in advancing communication systems.
Collaborations
Some of his notable coworkers include Ichiro Inoue and Hitoshi Imagawa. Their collaborative efforts have contributed to the development of innovative solutions in the field of optical networking.
Conclusion
Shigeo Urushidani's contributions to optical network technologies through his patents and collaborations have significantly impacted the industry. His innovative approaches continue to shape the future of communication systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.