Hiroki Ohtsu

This inventor holds 10 USPTO granted patents and 1 published patent application. Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited. Active years: 2005-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Ohtsu. Retrieved from https://idiyas.com/inventor/hiroki-ohtsu

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

USPTO Granted Patents = 10 (Patent Applications = 1)

% Patents Active = 70.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 71(Granted Patents)

Location History:

Kanagawa, JP (2005 - 2014)
Odawara, JP (2012 - 2014)

Company Filing History:

Fuji Photo Film Company, Limited

patents

Years Active: 2005-2014

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8702028 - Tape winding apparatus (2014-04-22),

2. 8670203 - Method for manufacturing magnetic tape with servo signal written therein, magnetic tape with servo signal written therein, and servo writer (2014-03-11),

3. 8611047 - Servo writer with closely spaced large-diameter tape guides supported by compressed air (2013-12-17),

4. 8526135 - Magnetic head tracking control method, servo signal verification method, magnetic tape drive, and servo writer (2013-09-03),

5. 8272590 - Tape winding apparatus (2012-09-25),

6. 7605995 - Servo writer, signal output control method and manufacturing method of magnetic tape using the signal output control method (2009-10-20),

7. 7259930 - Apparatus for transporting a magnetic tape (2007-08-21),

8. 7170702 - Servo band recorded magnetic tape, manufacturing method of the same, servo band writer and servo band writing method (2007-01-30),

9. 6989950 - Magnetic tape and manufacturing method thereof, and servo writer and servo write method (2006-01-24),

10. 6847438 - Apparatus for inspecting surface strain of magnetic tape (2005-01-25),

Title: Hiroki Ohtsu: Innovator in Magnetic Tape Technology

Introduction

Hiroki Ohtsu is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of magnetic tape technology, holding a total of 10 patents. His innovative work has advanced the manufacturing processes and applications of magnetic tapes.

Latest Patents

Ohtsu's latest patents include a tape winding apparatus designed to enhance the efficiency of tape roll production. This apparatus features a rotating device for winding tape into a roll, a push roller that contacts the outer periphery of the tape roll, and a feeding direction control guide that ensures the tape is fed correctly. Additionally, he has developed methods for manufacturing magnetic tape with servo signals written therein, which involves a unique process of magnetizing the tape before writing the servo signal.

Career Highlights

Throughout his career, Hiroki Ohtsu has worked with notable companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in magnetic tape technology.

Collaborations

Ohtsu has collaborated with esteemed colleagues, including Kazuyuki Shiino and Yuichi Kurihashi. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Hiroki Ohtsu's contributions to magnetic tape technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the future of magnetic tape applications and manufacturing processes.

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]

1 patent pending: