Location History:
- Kawasaki, JP (1987)
- Kanagawa, JP (1988)
- Yokohama, JP (1988 - 1995)
Company Filing History:
Years Active: 1987-1995
Title: **Innovative Contributions of Inventor Motoi Ohba**
Introduction
Motoi Ohba is a prominent inventor based in Yokohama, Japan, known for his substantial contributions to the field of radio frequency signal processing. With a remarkable portfolio of 10 patents, Ohba has made significant advancements, particularly in data demodulation technologies.
Latest Patents
Among his latest innovations, Ohba designed a data demodulation circuit for frequency-shift keying (FSK) modulated RF signal receivers. This invention pertains to an FSK radio receiver of the direct conversion type, which allows for the extraction of baseband signals through mixers that utilize local oscillator signals differing in phase by 90 degrees. The circuit incorporates wide-band baseband phase-shifting circuits composed solely of digital logic elements, enhancing the demodulated digital data signal's accuracy while reducing the local oscillator frequency's accuracy requirements. Additionally, Ohba developed a data receiver featuring first and second mixers that generate quadrature baseband-frequency output signals. The design enables efficient data demodulation through innovative processing techniques, ensuring high detection accuracy.
Career Highlights
Motoi Ohba has significantly influenced technology through his career at Matsushita Electric Industrial Co., Ltd. His innovative electrical engineering solutions have reshaped various aspects of RF signal processing, with a distinct focus on enhancing data communication technologies.
Collaborations
Ohba has collaborated with esteemed colleagues, including Mitsuo Makimoto and Sadahiko Yamashita. Together, they have pushed the boundaries of technological innovations within their field, working collectively to advance signal processing methodologies and techniques.
Conclusion
In conclusion, Motoi Ohba stands out as a key figure in the world of technology and innovation. His patents reflect a deep understanding of electrical engineering principles and have led to important advancements in radio frequency signal processing. Through his work, Ohba continues to influence the industry, paving the way for future innovations in communication technology.
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.