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For the Inventor, By the Inventor

Tokyo, Japan

Tomohiro Yoshihara

This inventor holds 55 USPTO granted patents and 14 published patent applications and 2 EPO patents, primarily in Storage Systems. Top assignees: Hitachi, Ltd., Hitachi Vantara Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Yoshihara. Retrieved from https://idiyas.com/inventor/tomohiro-yoshihara

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

Calculating rank
USPTO Granted Patents = 55 

% Patents Active = 83.6

 

Average Co-Inventor Count = 3.1

ph-index = 4

Forward Citations = 53(Granted Patents)


Location History:

  • Kawasaki, JP (2011 - 2014)
  • Yokohama, JP (2014 - 2016)
  • Tokyo, JP (2017 - 2024)

Company Filing History:

goldMedal42 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal13 out of 227 
 
Hitachi Vantara Corporation
 patents

Years Active: 2011-2026

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Areas of Expertise:
Data Management
Performance Optimization
Energy Consumption
Controller Management
Data Deduplication
Cache Control
Predictive Rebalancing
Data Compression
Storage Devices
I/O Processing
Metadata Access
Large-Scale Storage
55 patents (USPTO):Explore Patents
1. 12769469 - Storage system and storage control method of performing garbage collection on address that are not mapped in snapshot family (2026-10-20),
2. 12737125 - Storage system and data protection method (2026-09-15),
3. 12634363 - Storage system (2026-05-19),
4. 12621251 - Storage system and core allocation control method of network interface (2026-05-05),
5. 12619377 - Storage system for preventing performance degradation when a controller is blocked (2026-05-05),
6. 12536136 - Storage system and data processing method (2026-01-27),
7. 12536078 - Storage system with storage controllers to control data input and output between a host apparatus and a storage drive in normal and degraded operation states (2026-01-27),
8. 12449998 - Storage system and method for predictive rebalancing and controller node management based on load prediction (2025-10-21),
9. 12393337 - Storage system (2025-08-19),
10. 12367115 - Storage system (2025-07-22),
11. 12360695 - Storage device (2025-07-15),
12. 12353712 - Storage device (2025-07-08),
13. 12340108 - Metadata access and conversion during storage system controller update (2025-06-24),
14. 12204775 - Storage system and a method of controlling energy consumption therein (2025-01-21),
15. 12153518 - Storage device (2024-11-26),

Title: Unveiling the Innovations of Inventor Tomohiro Yoshihara

Introduction

Tomohiro Yoshihara, a prolific inventor hailing from Tokyo, Japan, has left a significant mark on the world of technology with his groundbreaking patents and inventions. With an impressive portfolio of 37 patents, Yoshihara's contributions have revolutionized the storage systems industry.

Latest Patents

Among his latest patents is a cutting-edge storage system that boasts nodes and drives, featuring a unique mounting area designed for drive installation. One key innovation is the efficient management of parity groups by nodes, facilitating seamless data movement between drives and ensuring data recovery in case of drive relocation.

Career Highlights

Having worked with renowned companies like Hitachi Co., Ltd and Hitachi, Ltd., Tomohiro Yoshihara has honed his skills and expertise in storage system technologies. His innovative solutions have enhanced data storage efficiency and performance, setting new standards in the industry.

Collaborations

Collaborating with accomplished coworkers such as Takashi Nagao and Ryosuke Tatsumi, Yoshihara has synergized his talents with like-minded professionals to drive innovation forward. Together, they have developed advanced storage control methods and storage systems that redefine data storage solutions.

Conclusion

Inventor Tomohiro Yoshihara's inventive spirit and dedication to technological advancement have cemented his place as a pioneer in the field of storage systems. His groundbreaking patents continue to inspire and shape the future of data storage, leaving a lasting legacy in the realm of 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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