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For the Inventor, By the Inventor

Sagamihara, Japan

Hirotaka Nakagawa

This inventor holds 35 USPTO granted patents and 10 published patent applications and 1 EPO patent, primarily in Storage Systems. Top assignees: Hitachi, Ltd., Nippon Kokan Kabushiki Kaisha, Nkk Corporation. Active years: 1984-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotaka Nakagawa. Retrieved from https://idiyas.com/inventor/hirotaka-nakagawa

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

Calculating rank
USPTO Granted Patents = 35 

% Patents Active = 54.3

 

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 85(Granted Patents)


Location History:

  • Yokohama, JP (1984)
  • Chiyoda, JP (1989)
  • Fujisawa, JP (2007 - 2011)
  • Sagamirhara, JP (2011)
  • Sagamihara, JP (2011 - 2016)
  • Tokyo, JP (1988 - 2024)

Company Filing History:

goldMedal30 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal3 out of 487 
 
Nippon Kokan Kabushiki Kaisha
 patents
bronzeMedal2 out of 614 
 
Nkk Corporation
 patents

Years Active: 1984-2024

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Areas of Expertise:
Storage System
Data Management
Computer System
Resource Access Control
Volume Migration
Backup Management
Power Saving
Virtual Storage
Replication Direction
Storage Device
Control Method
Manufacturing Method
35 patents (USPTO):Explore Patents
1. 11880589 - Storage system and control method (2024-01-23),
2. 11740823 - Storage system and storage control method (2023-08-29),
3. 11360690 - Storage device and method for erasing data of storage device (2022-06-14),
4. 11048543 - Computer system and resource access control method for securely controlling access using roles with a plurality of users (2021-06-29),
5. 10762021 - Information processing system, and control method of information processing system (2020-09-01),
6. 10761767 - Computer system and method for controlling storage apparatus that has replication direction from first logical device (in first storage) to second logical device (in second storage) and from said second logical device to third logical device (in said second storage), wherein said replication direction is reversed when second computer takes over for first computer (2020-09-01),
7. 10013216 - Storage system (2018-07-03),
8. 9395926 - Storage system and management computer (2016-07-19),
9. 9270742 - Computer system and control method of computer system (2016-02-23),
10. 9262437 - Storage system and control method for storage system (2016-02-16),
11. 9092158 - Computer system and its management method (2015-07-28),
12. 9052839 - Virtual storage apparatus providing a plurality of real storage apparatuses (2015-06-09),
13. 8935537 - Storage device and its control method (2015-01-13),
14. 8768883 - Storage apparatus and control method of the same (2014-07-01),
15. 8713307 - Computer system and volume migration control method using the same (2014-04-29),

Title: Hirotaka Nakagawa: Pioneering Inventor from Sagamihara

Introduction: Hirotaka Nakagawa is a renowned inventor hailing from Sagamihara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Nakagawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Nakagawa has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Nakagawa has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Hirotaka Nakagawa's passion for innovation, coupled with his relentless drive to solve complex challenges, has solidified his reputation as a visionary inventor in the global tech community.

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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