Company Filing History:
Years Active: 1999
Title: **Shoichi Miyazawa: Innovator in Digital Signal Processing**
Introduction
Shoichi Miyazawa was a remarkable inventor known for his contributions to the field of digital signal processing. Based in Yokohama, Japan, he left a lasting impact through his inventive work, leading to two significant patents during his career at Hitachi, Ltd. His innovative spirit and findings continue to be recognized in the realm of technology.
Latest Patents
Miyazawa's most notable patents include:
1. *Digital signal decoding apparatus and a decoding method used therein* - This invention revolutionized the branch metric calculation processing on a trellis diagram of an extended partial response class. By removing signal input calculations from these metrics, it allowed for more efficient calculations and the selection of survivor paths via the subtraction of these paths and the comparison of constants.
2. *Digital information signal reproducing circuit and digital information* - This patent addressed the reading of digital information, including a sync data field and user data field from storage media. The innovation transformed an analog signal into a digital format through careful sampling based on a clock signal, utilizing an analog PLL circuit for synchronization in the sync data field, followed by a digital PLL circuit for the user data field.
Career Highlights
Shoichi Miyazawa was affiliated with Hitachi, Ltd., where he dedicated his efforts to advancing digital technologies. His work on signal processing is recognized as a significant advancement in the field, showcasing his expertise in developing efficient methods for signal decoding and reproduction.
Collaborations
Throughout his career, Miyazawa collaborated with esteemed colleagues such as Takashi Nara and Kenichi Hase. Together, they contributed to important projects that furthered innovations in digital signal technology.
Conclusion
Shoichi Miyazawa's innovative contributions to digital signal processing have left a legacy that continues to influence the industry. His pioneering patents reflect a deep understanding of technology and a commitment to enhancing digital communication techniques. His work at Hitachi, Ltd. remains a testament to his creativity and technical proficiency in the field.
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.