This inventor holds 2 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Microcomputer Engineering, Ltd., Hitachi Microcomputer System, Ltd.. Active years: 1991-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 42,752 
1 out of 149 
1 out of 64 Years Active: 1991-1997
Title: Toshihiko Watanabe: Innovator in Semiconductor Technology
Introduction
Toshihiko Watanabe is a notable inventor based in Takasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 2 patents. His work has focused on improving the efficiency and reliability of information reproduction systems.
Latest Patents
Watanabe's latest patents include an apparatus for reproducing recorded information with error detection. This innovative device reads information from the track surface of a CD-ROM disk, performs error detection and correction processing, and outputs the reproduced information. The apparatus features a control device that switches the reproduction operation to a standard speed mode in response to a correction failure condition generated in the quadruple speed mode. This adjustment allows for a retry of standard-speed reading, which significantly improves the correction capability for random errors by enhancing the C/N ratio of the high-frequency signal RF by 6 dB.
Another significant patent is for a monolithic semiconductor integrated circuit device. This device includes a differentially operative circuit section and an amplifying element that defines the current flowing in the circuit. It also features a current adjusting circuit designed to compensate for variations in electric characteristics among different semiconductor devices. The load resistance in this circuit is structured for trimming operations, allowing for adjustable determination of its resistance value.
Career Highlights
Throughout his career, Watanabe has worked with prominent companies such as Hitachi, Ltd. and Hitachi Microcomputer System, Ltd. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.
Collaborations
Watanabe has collaborated with notable coworkers, including Yoshimi Iso and Kazuya Hara. Their collective efforts have further advanced the field of semiconductor technology.
Conclusion
Toshihiko Watanabe's contributions to semiconductor technology through his patents and career achievements highlight his role as an influential inventor. His innovative approaches continue to impact the industry positively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile