Location History:
- Komae, JP (1990)
- Setagaya-ku, Tokyo JP (2002)
- Tokyo, JP (1991 - 2004)
Company Filing History:
2 out of 372 
1 out of 301 
1 out of 832,680 Years Active: 1990-2004
Title: Yuichi Iwadate: Innovator in Digital Demodulation Technology
Introduction
Yuichi Iwadate is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of digital demodulation technology, holding a total of 4 patents. His innovative work has paved the way for advancements in communication systems.
Latest Patents
One of Yuichi Iwadate's latest patents is a digital demodulator that eliminates the need for an absolute phasing circuit. This invention utilizes a known-pattern BPSK signal generating circuit to synchronize with the received digital modulated wave. The carrier-reproducing phase error detecting circuit features a phase error table that designates a convergence point for reference phases. By controlling a carrier-reproducing loop filter based on the known-pattern BPSK signal, the phase error voltage is smoothed, allowing for effective carrier reproduction. Additionally, his work on an AFC circuit and carrier recovery circuit ensures reliable carrier regeneration even at low C/N ratios. This is achieved by measuring the phase of a signal and controlling the VCO or NCO, thus avoiding false lock phenomena.
Career Highlights
Throughout his career, Yuichi Iwadate has worked with notable organizations, including Nippon Hoso Kyokai. His expertise in digital communication has been instrumental in developing technologies that enhance signal processing and transmission.
Collaborations
Yuichi Iwadate has collaborated with esteemed colleagues such as Kazuhiko Shibuya and Junji Kumada. Their combined efforts have contributed to the advancement of innovative solutions in the field of digital demodulation.
Conclusion
Yuichi Iwadate's contributions to digital demodulation technology exemplify his innovative spirit and dedication to advancing communication systems. His patents reflect a deep understanding of complex signal processing, making him a key figure in the industry.
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.