This inventor holds 4 USPTO granted patents, plus 1 CIPO patent. Top assignees: Nippon Hoso' Kyokai, Matsushita Electric Industrial Co., Ltd.. Active years: 1991-1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Tokyo, JP (1991 - 1995)
- Atsugi, JP (1994 - 1995)
Company Filing History:
4 out of 382 
2 out of 27,375 
Years Active: 1991-1995
Title: The Innovations of Yoshinobu Oba
Introduction
Yoshinobu Oba is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of magnetic recording and reproduction technology. With a total of 4 patents to his name, his work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is a magnetic reproducing apparatus and magnetic recording and reproducing system. This innovative recording apparatus includes selective guard adding means that predict the positions of adjacency of new tracks to previously recorded tracks. It adds guards during editing to mitigate disturbances caused by the residue of erasing. This design enhances the reliability of reproduction from recording media with tracks recorded by heads of different azimuth angles.
Another significant patent is an apparatus and method for generating a high-speed dubbing signal. This system records a high-speed dubbing signal that is N times the pitch of a digital input signal. It utilizes an encoding circuit to subsample the digital input signal, compressing it for efficient recording. The system maintains a normal drum rotational frequency, ensuring stable contact between the tape and head, which is crucial for reliable high-speed dubbing.
Career Highlights
Yoshinobu Oba has worked with prominent companies such as Nippon Hoso Kyokai and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in the field of magnetic recording technology.
Collaborations
Throughout his career, Oba has collaborated with notable individuals, including Toshihiro Uehara and Sigekazu Togashi. These collaborations have likely enriched his work and led to innovative advancements in his projects.
Conclusion
Yoshinobu Oba's contributions to magnetic recording technology through his patents and collaborations highlight his importance as an inventor. His innovative approaches continue to influence the industry and pave the way for future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile