Location History:
- Kawasaki, JP (2001 - 2005)
- Kanagawa, JP (2012 - 2014)
Company Filing History:
3 out of 39,244 
2 out of 42 
Years Active: 2001-2014
Title: Koji Tanonaka: Innovator in Transmission Systems
Introduction
Koji Tanonaka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of transmission systems, holding a total of 4 patents. His work focuses on enhancing the efficiency and reliability of optical transmission technologies.
Latest Patents
Tanonaka's latest patents include innovative solutions for transmission systems. One of his patents describes a transmission system and method for correcting tilt in the transmission system. This invention features a transmission apparatus that outputs an ASE light from a transmission light amplifier. It also includes a reception apparatus equipped with a tilt detection unit that detects the optical strength levels of at least two probe lights with different wavelengths. The reception light amplifier performs a first-order tilt correction to minimize the difference in optical strength levels detected by the tilt detection unit.
Another significant patent involves an integrated transmission apparatus that includes multiple optical supervisory channel (OSC) processing units. These units process OSC signals contained in a wavelength division multiplexing (WDM) signal received from a WDM network. The apparatus also features a switching unit for controlling the path of synchronous digital hierarchy (SDH) frames, ensuring efficient transmission and management of data.
Career Highlights
Throughout his career, Koji Tanonaka has worked with prominent companies such as Fujitsu Corporation and Fujitsu Telecom Networks Limited. His experience in these organizations has allowed him to develop and refine his expertise in optical transmission technologies.
Collaborations
Tanonaka has collaborated with notable colleagues, including Naoto Kidoku and Tomoyuki Suzuki. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Koji Tanonaka is a distinguished inventor whose work in transmission systems has led to several important patents. His contributions continue to influence the field of optical transmission technology, showcasing his commitment to innovation and excellence.