Company Filing History:
Years Active: 1998-2007
Title: Masao Kondou: Innovator in Magnetic Record Regeneration
Introduction
Masao Kondou is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of magnetic record regeneration, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of preamplifier circuits and PRML regenerating apparatuses.
Latest Patents
Kondou's latest patents include a method of verifying preamplifier circuit functions and a magnetic record regeneration apparatus utilizing the same. The first patent discloses a preamplifier circuit designed for a magnetic record regeneration apparatus that includes both a write system and a read system. This innovation allows for the verification of the write function in a short period of time. The circuit comprises several components, including a write driver, a current-voltage conversion circuit, a waveform shaping circuit, a peak-hold circuit, a filter circuit, and a determination circuit. Each of these components plays a crucial role in ensuring the reliability of the write function.
The second patent pertains to a PRML regenerating apparatus that regenerates signals read by a head from a storage medium. This apparatus features a waveform equalizing circuit and a maximum-likelihood decoder, which work together to enhance the quality of the read signal. The control circuit allows for the variable adjustment of the distance between the upper and lower slice levels, adapting to the equalization characteristics of the signal.
Career Highlights
Masao Kondou is currently employed at Fujitsu Corporation, where he continues to innovate in the field of magnetic recording technology. His work has been instrumental in advancing the capabilities of magnetic record regeneration systems.
Collaborations
Kondou has collaborated with notable colleagues, including Masahide Kanegae and Tomoki Sugaya. Their combined expertise has contributed to the development of cutting-edge technologies in their field.
Conclusion
Masao Kondou's contributions to magnetic record regeneration technology highlight his role as a leading inventor in this specialized area. His innovative patents and ongoing work at Fujitsu Corporation continue to shape the future of magnetic recording systems.