Company Filing History:
Years Active: 1994-2003
Title: Kenichi Yoneyama: Innovator in Optical Amplification Technology
Introduction
Kenichi Yoneyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical amplification, holding a total of 15 patents. His innovative work has advanced the technology used in optical communication systems.
Latest Patents
Yoneyama's latest patents include an optical amplifier repeater and a multi-stage optical amplifier apparatus. The optical amplifier repeater features a first optical amplifier that amplifies both main signal light and supervisory signal light transmitted on an up optical-fiber transmission line. Additionally, it includes a second optical amplifier for the down optical-fiber transmission line. A unique transfer unit allows for the transfer of supervisory signal light between the two optical amplifiers, enhancing the efficiency of the system.
The multi-stage optical amplifier apparatus incorporates a pumping light source that outputs pumping light for two optical amplifying media connected in series. This design allows for effective amplification of input signal light while compensating for losses through an optical equalizer. The innovative use of a fiber grating with a cutoff wavelength shorter than the pump light wavelength ensures stable propagation of the pumping light, leading to high output optical amplification.
Career Highlights
Throughout his career, Kenichi Yoneyama has worked with notable companies such as NEC Corporation and NEC Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Yoneyama has collaborated with esteemed colleagues, including Yasuhiro Aoki and Masanori Yoshida. Their combined efforts have furthered advancements in optical amplification technologies.
Conclusion
Kenichi Yoneyama's contributions to optical amplification technology have made a lasting impact on the field. His innovative patents and collaborations highlight his role as a leading inventor in this area.
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.