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For the Inventor, By the Inventor

Yamagata, Japan

Yoshihito Otomo

This inventor holds 13 USPTO granted patents. Top assignee: Mitsumi Electric Company Ltd.. Active years: 1995-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihito Otomo. Retrieved from https://idiyas.com/inventor/yoshihito-otomo

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

USPTO Granted Patents = 13

% Patents Active = 61.5

Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Tendo, JP (1997 - 2005)
  • Yamagata, JP (1995 - 2006)

Company Filing History:

goldMedal13 out of 1,576 
 
Mitsumi Electric Company Ltd.
 patents

Years Active: 1995-2006

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13 patents (USPTO):Explore Patents
1. 7112956 - Method of generating an index signal with reduced parts (2006-09-26),
2. 6891293 - Flexible disk drive with a gap between a main frame and a permanent magnet of a rotor so that the rotor does not fall although the rotor is upended to a stator (2005-05-10),
3. 6769925 - Male connector terminal (2004-08-03),
4. 6765754 - Flexible disk drive comprising an index detection hall element having an improved detection sensitive condition of a magnetic field (2004-07-20),
5. 6574069 - Floppy disk drive control apparatus for inhibiting a seek operation when a floppy disk is not loaded in a floppy disk drive (2003-06-03),
6. 6515821 - Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque (2003-02-04),
7. 6429618 - Index signal generator (2002-08-06),
8. 6351093 - Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque (2002-02-26),
9. 6150651 - Photointerrupter driving circuit capable of decreasing the number of (2000-11-21),
10. 5952800 - Integrated circuit for a flexible disk drive capable of always (1999-09-14),
11. 5805378 - Magnetic disk drive of a structure capable of being lightened in weight (1998-09-08),
12. 5661389 - Compact circuit for controlling a floppy disk driver (1997-08-26),
13. 5397186 - Bearing structure for rotating shaft (1995-03-14),

Title: Innovations of Yoshihito Otomo

Introduction

Yoshihito Otomo is a prominent inventor based in Yamagata, Japan. He has made significant contributions to the field of engineering, particularly in the development of technologies related to direct-drive motors and flexible disk drives. With a total of 13 patents to his name, Otomo's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a method of generating an index signal with reduced parts. This innovation involves an index signal generator designed for direct-drive motors, utilizing a specific magnetized element as an index detection magnet. The design allows for the detection of variations in magnetic force, which is crucial for producing a reliable index signal. Another notable patent is for a flexible disk drive that maintains a gap between the main frame and the rotor's permanent magnet. This design ensures that the rotor remains securely in place, even when inverted, thanks to the magnetic attractive force.

Career Highlights

Yoshihito Otomo is associated with Mitsumi Electric Company Ltd., where he has been instrumental in advancing various technologies. His expertise in motor design and magnetic systems has positioned him as a key figure in his field.

Collaborations

Otomo has worked alongside notable colleagues such as Akira Shibata and Koichi Seno, contributing to a collaborative environment that fosters innovation and creativity.

Conclusion

Yoshihito Otomo's contributions to technology through his patents and collaborations highlight his role as a leading inventor in Japan. His work continues to influence advancements in engineering and motor technology.

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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