Location History:
- Yokohama, JP (2009 - 2014)
- Chigasaki, JP (2013 - 2014)
Company Filing History:
Years Active: 2009-2014
Title: Norihiro Sakamoto: Innovator in Optical Network Technology
Introduction
Norihiro Sakamoto is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical network technology, holding a total of 12 patents. His work focuses on improving the efficiency and performance of passive optical networks.
Latest Patents
Sakamoto's latest patents include an optical multiplexing terminal device and a wavelength multiplexing passive optical network system. These innovations aim to reduce electric power consumption based on the quantity of signals transmitted downstream in a wavelength division multiplexing passive optical network (WDM-PON). The system connects an optical line terminal (OLT) and multiple optical network units (ONUs) through an optical fiber network, which includes an optical splitter and several optical fibers. The OLT communicates with the ONUs, indicating the wavelength to be used and the timing for transmission. This format allows for efficient signal transmission and management.
Another notable patent is a passive optical network system designed to operate a mixture of PONs with varying transmission speeds. This system reduces power consumption based on the amount of signals being transmitted. The master station determines the amount and timing of signals sent by each slave station, optimizing the overall performance of the network.
Career Highlights
Sakamoto has worked with notable companies such as Hitachi, Ltd. and Hitachi Communication Technologies, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical networking.
Collaborations
Throughout his career, Sakamoto has collaborated with talented individuals, including Tohru Kazawa and Yusuke Yajima. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Norihiro Sakamoto's contributions to optical network technology have made a significant impact in the field. His innovative patents and collaborations reflect his dedication to improving communication systems. His work continues to influence the development of efficient optical networks.
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.