This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignees: Fujitsu Corporation, Konishiroku Photo Industry Co., Ltd., Nippon Telegraph and Telephone Corporation. Active years: 1982-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JP (1982 - 1983)
- Yokohama, JP (1989)
Company Filing History:



Years Active: 1982-1989
Title: Michinobu Ohhata: Innovator in Digital Signal Transmission
Introduction
Michinobu Ohhata is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of digital signal transmission, holding a total of 5 patents. His work has been instrumental in advancing technology in this area.
Latest Patents
One of his latest patents is a digital signal transmission system that features a frame synchronization operation. This system includes a synchronization pattern detection circuit that detects synchronization patterns in response to received digital signals. Additionally, it has a pseudo synchronization detection circuit that identifies pseudo synchronization patterns using cyclic redundancy code. The system also incorporates a synchronization protection circuit that counts detection signals produced when synchronization patterns are identified. This circuit consists of both a main synchronization counter and an auxiliary synchronization counter, with variable counts for confirming synchronization recovery.
Another significant patent is a sample and hold circuit designed to maintain a constant sampled voltage. This circuit utilizes a first MOS transistor for sampling the input voltage and a holding capacitor to retain the sampled voltage. It also includes a second MOS transistor, with its source and drain connected to the output terminal. The design allows for the sampled voltage to remain constant even when the first MOS transistor is turned off.
Career Highlights
Throughout his career, Michinobu Ohhata has worked with prominent companies such as Fujitsu Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in digital signal processing and related technologies.
Collaborations
Some of his notable coworkers include Masao Yamasawa and Masayuki Takahashi. Their collaborations have likely fostered innovation and development in their respective fields.
Conclusion
Michinobu Ohhata's contributions to digital signal transmission and his innovative patents highlight his role as a significant inventor in the technology sector. His work continues to influence advancements in digital communication systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile