logo

For the Inventor, By the Inventor

Machida, Japan

Toshiharu Shimizu

This inventor holds 13 USPTO granted patents. Top assignee: Mitsumi Electric Company Ltd.. Active years: 1998-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Shimizu. Retrieved from https://idiyas.com/inventor/toshiharu-shimizu

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 = 92.3

Average Co-Inventor Count = 4.1

ph-index = 3

Forward Citations = 62(Granted Patents)


Location History:

  • Atsugi, JP (1998)
  • Machida, JP (1998 - 2002)

Company Filing History:

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

Years Active: 1998-2002

Loading Chart...
13 patents (USPTO):Explore Patents
1. 6369990 - Recording/reproducing device with read/write head carriage supporting voice coil of voice coil motor for driving the carriage assembly (2002-04-09),
2. 6341045 - Disk-shaped recording medium and formatting method thereof wherein historic information including a storage capacity of the disk-shaped recording medium is recorded thereon (2002-01-22),
3. 6278586 - Recording/reproducing device with read/write head carriage supporting voice coil of voice coil motor for driving the carriage assembly (2001-08-21),
4. 6201657 - Removable type magnetic recording/reproducing device (2001-03-13),
5. 6084750 - Recording/reproducing device with read/write head carriage supporting (2000-07-04),
6. 6067201 - Disk protection method for removable magnetic recording/reproducing (2000-05-23),
7. 6034838 - Magnetic recording/reproducing device with an improved carriage location (2000-03-07),
8. 5998947 - Method capable of surely chucking a FD inserted in a high-density type (1999-12-07),
9. 5953176 - Control method for a high-density type FDD capable of automatically (1999-09-14),
10. 5850322 - Magnetic recording/reproducing device having head carriage with shock (1998-12-15),
11. 5841606 - Magnetic recording/reproducing device with magnetic shield between voice (1998-11-24),
12. 5835304 - Magnetic recording/reproducing device having a magnetic head and a lift (1998-11-10),
13. 5831794 - Flexible disk drive having head carriage locking mechanism (1998-11-03),

Title: Innovations of Toshiharu Shimizu

Introduction

Toshiharu Shimizu is a prominent inventor based in Machida, Japan. He has made significant contributions to the field of recording and reproducing devices, holding a total of 13 patents. His work has advanced the technology used in data storage and retrieval systems.

Latest Patents

One of his latest patents is a recording/reproducing device featuring a read/write head carriage that supports a voice coil of a voice coil motor. This device is designed for recording and reproducing data on a recording medium while moving the read/write head relative to the medium. The carriage is guided by a member in the moving direction and is driven by a voice coil motor that generates a magnetic field to facilitate movement. Another notable patent involves a disk-shaped recording medium and a formatting method that records historic information, including the storage capacity of the medium. This innovation allows for a structured arrangement of tracks and sectors, enhancing data organization and retrieval.

Career Highlights

Toshiharu Shimizu is currently employed at Mitsumi Electric Company Ltd., where he continues to innovate in the field of data storage technology. His work has been instrumental in developing advanced recording systems that are widely used in various applications.

Collaborations

Some of his notable coworkers include Yoshihide Majima and Toshimitsu Itoh, who have collaborated with him on various projects within the company.

Conclusion

Toshiharu Shimizu's contributions to the field of recording and reproducing devices have significantly impacted technology. His innovative patents reflect his expertise and commitment to advancing data storage solutions.

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]
Loading…