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For the Inventor, By the Inventor

Ichikawa, Japan

Atsushi Saito

This inventor holds 73 USPTO granted patents, primarily in Information Recording (CPC class 369 ). Top assignees: Hitachi, Ltd., Hitachi Global Storage Technologies Japan, Ltd., Hitachi Video Engineering, Incorporated. Active years: 1987-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Saito. Retrieved from https://idiyas.com/inventor/atsushi-saito

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

USPTO Granted Patents = 73

% Patents Active = 80.8

Average Co-Inventor Count = 3.6

ph-index = 22

Forward Citations = 1,505(Granted Patents)

Forward Citations (Not Self Cited) = 1,473(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Hachioji, JP (1991)
  • Ichikawa, JP (1987 - 1999)
  • Fujisawa, JP (2006)
  • Hino, JP (1994 - 2009)
  • Chigasaki, JP (2003 - 2012)
  • Kanagawa, JP (2009 - 2013)
  • Takasaki, JP (2009 - 2014)
  • Isesaki, JP (2013 - 2014)

Company Filing History:

goldMedal58 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal5 out of 227 
 
Hitachi Global Storage Technologies Japan, Ltd.
 patents
bronzeMedal4 out of 67 
 
Hitachi Video Engineering, Incorporated
 patents
4. 4 out of 3,106 
 
Konica Corporation
 patents
5. 4 out of 1,041 
 
Sanden Corporation
 patents
6. 2 out of 56 
 
Hitachi Maxwell, Ltd.
 patents
7. 2 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
8. 1 out of 987 
 
Hgst Netherlands, B.v.
 patents
9. 1 out of 2,636 
 
Hitachi Global Storage Technologies Netherlands B.v.
 patents
10. 1 out of 146 
 
Xanavi Informatics Corporation
 patents
where one patent can have more than one assignee

Years Active: 1987-2025

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Areas of Expertise:
Inverter Device
Electric Compressor
Data Transfer System
Optical Disk Apparatus
Signal Processing
Magnetic Disk Drive
Information Recording Method
High-Density Reproducing
Magnetooptic Disc
Camera Recording Apparatus
Vehicle Drive Recorder
Optical Information Processing
73 patents (USPTO):Explore Patents
1. 12294315 - Inverter device, and vehicular electric compressor provided with same (2025-05-06),
2. 8698364 - Inverter-integrated electric compressor (2014-04-15),
3. 8653778 - Inverter-integrated electric compressor (2014-02-18),
4. 8593099 - Electric compressor (2013-11-26),
5. 8345868 - Data transfer system, data transfer method, data transmission device and data receiving device (2013-01-01),
6. 8117518 - Signal processing apparatus and a data recording and reproducing apparatus including local memory processor (2012-02-14),
7. 7583572 - Apparatus and method for calibrating laser power in an optical disk apparatus (2009-09-01),
8. 7579805 - Semiconductor device (2009-08-25),
9. 7558931 - Write/read apparatus to control overwriting (2009-07-07),
10. 7355941 - Information recording method and optical disk apparatus for recording information on a recording-type optical disk (2008-04-08),
11. 7334165 - Signal processing apparatus and a data recording and reproducing apparatus including local memory processor (2008-02-19),
12. 7116508 - Apparatus for locking a moveable part of a magnetic disk apparatus (2006-10-03),
13. 7028214 - Signal processing apparatus and a data recording and reproducing apparatus including local memory processor (2006-04-11),
14. 7020548 - Vehicle drive recorder (2006-03-28),
15. 6987635 - Magnetic disk drive which accesses host RAM (2006-01-17),

Title: Atsushi Saito: Pioneering Inventor from Ichikawa

Introduction: Atsushi Saito is a renowned inventor hailing from Ichikawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Atsushi Saito's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions for urban environments.

Career Highlights: With over two decades of experience in the tech industry, Atsushi Saito has held key positions in leading research institutions and tech companies, driving innovation and pushing the boundaries of what is possible.

Collaborations: Throughout his career, Atsushi Saito has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence in all his projects.

Conclusion: Atsushi Saito's relentless pursuit of innovation and his passion for creating a better future through technology make him a true visionary in the world of inventions.

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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