Location History:
- Tokyo, JP (2006)
- Atsugi, JP (2020)
Company Filing History:
2 out of 5,289 
1 out of 164 Years Active: 2006-2020
Title: Hiroaki Sanjoh: Innovator in Optical Transmission and Amplification
Introduction
Hiroaki Sanjoh is a notable inventor based in Atsugi, Japan. He has made significant contributions to the fields of optical transmission and amplification, holding a total of 2 patents. His work has been instrumental in advancing technologies that enhance signal processing and transmission efficiency.
Latest Patents
One of Sanjoh's latest patents is an innovative amplifier designed to provide optimal band characteristics while minimizing the risk of oscillation. This amplifier includes a first buffer for amplifying an electric signal, a filter connected to the output of the first buffer, and a second buffer linked to the filter's output. The design aims to reduce dispersion in band characteristics, making it a valuable asset in electronic signal amplification.
Another significant patent is related to a wavelength division multiplexing (WDM) optical transmission system and its transmission method. This system boasts excellent spectral efficiency and includes an optical transmitting section with an optical transmitter that generates multiple optical signals. The system is designed to synchronize bit phases of wavelength division multiplexed signals, enhancing the overall performance of optical communication.
Career Highlights
Throughout his career, Hiroaki Sanjoh has worked with prominent companies such as Nippon Telegraph and Telephone Corporation and NTT Electronics Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of telecommunications.
Collaborations
Sanjoh has collaborated with notable colleagues, including Eiichi Yamada and Yuzo Yoshikuni. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Hiroaki Sanjoh's contributions to the fields of amplification and optical transmission are noteworthy. His innovative patents reflect his commitment to enhancing technology in telecommunications. His work continues to influence the industry and pave the way for future advancements.
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.