Odawara, Japan

Tatsuhiko Chokki

This inventor holds 1 USPTO granted patent. Top assignee: Fujifilm Corporation. Active years: 2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuhiko Chokki. Retrieved from https://idiyas.com/inventor/tatsuhiko-chokki

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 = 2.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2013

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1 patent (USPTO):Explore Patents

Title: Innovations of Tatsuhiko Chokki

Introduction

Tatsuhiko Chokki is a notable inventor based in Odawara, Japan. He has made significant contributions to the field of technology, particularly in the area of servo writing systems. His innovative approach has led to the development of a unique patent that enhances the efficiency of magnetic tape handling.

Latest Patents

One of Tatsuhiko Chokki's key patents is titled "Servo writer with closely spaced large-diameter tape guides supported by compressed air." This invention involves a servo writer that features a write signal generator circuit. The circuit is designed to output a signal for writing a servo signal to a servo write head, which allows a magnetic tape to slidably contact it. The system includes multiple tape guides that effectively manage the magnetic tape supplied from a supply reel to the servo write head and subsequently to a take-up reel. Notably, the design incorporates a first tape guide positioned directly upstream of the servo write head and a second tape guide positioned directly downstream. Each of these guides is equipped with a guide roller that is rotatably supported by an air bearing and has a diameter of 19 mm or greater. This innovative design improves the precision and reliability of the servo writing process.

Career Highlights

Tatsuhiko Chokki is associated with Fujifilm Corporation, a leading company in imaging and information technology. His work at Fujifilm has allowed him to explore and develop advanced technologies that contribute to the company's success in the industry.

Collaborations

Tatsuhiko Chokki has collaborated with Hiroki Ohtsu, a fellow innovator, to further enhance the development of their technologies. Their partnership exemplifies the importance of teamwork in driving innovation.

Conclusion

Tatsuhiko Chokki's contributions to the field of servo writing technology demonstrate his commitment to innovation and excellence. His patent reflects a significant advancement in the handling of magnetic tape, showcasing his expertise and creativity in engineering.

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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