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For the Inventor, By the Inventor

Tokyo, Japan

Toshiki Shimizu

This inventor holds 11 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Hitachi, Ltd., Hitachi Industry & Control Solutions, Ltd., Hitachi Information & Control Solutions, Ltd.. Active years: 2010-2026.

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

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

USPTO Granted Patents = 11 

% Patents Active = 81.8

 

Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Hitachi, JP (2012 - 2015)
  • Tokyo, JP (2010 - 2024)
  • Ibaraki-ken, JP (2022 - 2024)

Company Filing History:

goldMedal10 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal1 out of 50 
 
Hitachi Industry & Control Solutions, Ltd.
 patents
bronzeMedal1 out of 18 
 
Hitachi Information & Control Solutions, Ltd.
 patents
4. 1 out of 58,145 
 
Sony Corporation
 patents
where one patent can have more than one assignee

Years Active: 2010-2026

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11 patents (USPTO):Explore Patents
1. 12613518 - Optimizing execution of multiple machine learning models over a single edge device (2026-04-28),
2. 12475601 - Method to compute drift in image data before ml model inference (2025-11-18),
3. 12153405 - Control system and control method therefor (2024-11-26),
4. 12149992 - Redundant communication system (2024-11-19),
5. 11977362 - Control device and distributed control system (2024-05-07),
6. 11876608 - Redundant control system (2024-01-16),
7. 11228499 - Control network planning (2022-01-18),
8. 11201834 - Communication control device, communication control method, and communication system (2021-12-14),
9. 9208037 - Duplexed operation processor control system, and duplexed operation processor control method (2015-12-08),
10. 8255769 - Control apparatus and control method (2012-08-28),
11. 7835245 - Evaluation value calculating apparatus, recording and playback apparatus, evaluation value calculating method, recording method (2010-11-16),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

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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