Katsuta, Japan

Yuji Inaba

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1992-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Inaba. Retrieved from https://idiyas.com/inventor/yuji-inaba

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1992-1995

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yuji Inaba

Introduction

Yuji Inaba, based in Katsuta, Japan, is a notable inventor with a portfolio of four patents to his name. His work primarily focuses on the field of digital video technologies, specifically mechanical and electrical innovations that enhance the performance of magnetic recording apparatus.

Latest Patents

Among his latest inventions is a "Digital video signal reproducing apparatus with compression." This apparatus utilizes advanced methodologies for data compression and expansion during playback. It generates a relative speed signal based on the tape movement speed and head drum rotation, effectively controlling the quality of recorded data. By detecting the tape tension and adjusting it accordingly, Inaba's design ensures optimal playback performance.

Another significant invention by Inaba is the "Magnetic recording signal reproducing apparatus." This device integrates several complex systems, including a tracking control system that allows for precise signal reading from magnetic tape tracks. It features a sophisticated mechanism to adjust tape tension through a control signal, facilitating efficient operation in varying recording speeds.

Career Highlights

Yuji Inaba has built a commendable career as an inventor while working at Hitachi, Ltd. His contributions have not only advanced the company's technology but have also had a lasting impact on the industry. His innovations reflect a deep understanding of both mechanical engineering and digital processing, propelling advancements in audio and visual technologies.

Collaborations

During his tenure, Yuji has collaborated with esteemed colleagues Hideo Nishijima and Shigemitsu Higuchi. Together, they have pushed the boundaries of innovation, leveraging their collective expertise to develop cutting-edge technologies in magnetic recording systems. Their teamwork exemplifies the synergy required in the research and development field to drive meaningful innovations.

Conclusion

Yuji Inaba’s contributions to the field of digital video technology and magnetic recording systems underline the importance of innovation in engineering. As an inventor at Hitachi, Ltd., he continues to pave the way for future advancements in the industry. His dedication to developing sophisticated solutions is a testament to the vital role inventors play in shaping our technological landscape.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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