This inventor holds 2 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1978-1983.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JA (1978)
- Hino, JP (1983)
Company Filing History:
Years Active: 1978-1983
Title: Tadao Ogawa: Innovator in Optical Communication and Amplifier Technology
Introduction
Tadao Ogawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the fields of optical communication and amplifier technology. With a total of 2 patents, Ogawa's work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is a low noise amplifier circuit with reduced low-frequency gain. This innovative amplifier comprises a grounded emitter transistor amplifier that features a parallel impedance element connected between the base and collector, as well as a series impedance element connected between the emitter and ground. The design allows for a constant input impedance with respect to frequency, improving the total noise figure due to higher gain at elevated frequencies.
Another notable patent is the optical PCM group transmission repeating system. This system utilizes an optical fiber communication method that transmits PCM information through a group of optical fibers. The information is stored in the sending terminal's memory and is read out using simultaneous clock pulses. The system includes a repeater with various circuits to ensure signal regeneration and phase arrangement for effective transmission.
Career Highlights
Tadao Ogawa is associated with Fujitsu Corporation, where he has been able to apply his innovative ideas in practical applications. His work has contributed to advancements in communication technology, particularly in enhancing the efficiency and reliability of optical fiber systems.
Collaborations
Ogawa has collaborated with notable coworkers such as Kazuo Yamaguchi and Yukou Mochida. Their combined expertise has fostered a creative environment that has led to groundbreaking developments in their respective fields.
Conclusion
Tadao Ogawa's contributions to technology, particularly in low noise amplifiers and optical communication systems, highlight his role as a key innovator. His patents reflect a commitment to advancing technology and improving communication methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile