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For the Inventor, By the Inventor

Chigasaki, Japan

Akemi Sanada

This inventor holds 18 USPTO granted patents, primarily in Data Storage Technology. Top assignee: Hitachi, Ltd.. Active years: 2002-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akemi Sanada. Retrieved from https://idiyas.com/inventor/akemi-sanada

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 55.6

Average Co-Inventor Count = 5.5

ph-index = 9

Forward Citations = 535(Granted Patents)


Location History:

  • Minamiashigara, JP (2002 - 2013)
  • Chigasaki, JP (2005 - 2014)

Company Filing History:

goldMedal18 out of 42,743 
 
Hitachi, Ltd.
 patents

Years Active: 2002-2014

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Areas of Expertise:
Storage Apparatus
Fiber Channel
Storage Controller
Network Access
Snapshots
Unauthorized Access
Information Management
Computer System
Protocol
Connection Port
Rental Storage
18 patents (USPTO):Explore Patents
1. 8725971 - Storage apparatus and method for controlling storage apparatus involving snapshots (2014-05-13),
2. 8583877 - Fiber channel connection storage controller (2013-11-12),
3. 8275950 - Fiber channel connection storage controller (2012-09-25),
4. 7606984 - Fiber channel connection storage controller (2009-10-20),
5. 7574559 - Method and apparatus for rental storage system (2009-08-11),
6. 7440925 - Method for rental storage system (2008-10-21),
7. 7107332 - Storage controller and computer system for managing information related to connection port (2006-09-12),
8. 7047290 - Storage controller and computer system for managing information related to connection port (2006-05-16),
9. 6889204 - Method and apparatus for rental storage system (2005-05-03),
10. 6877073 - Fiber channel connection storage controller (2005-04-05),
11. 6868398 - Method and apparatus for rental storage system (2005-03-15),
12. 6742090 - Fiber channel connection storage controller (2004-05-25),
13. 6728844 - Method for preventing unauthorized access to storage volumes (2004-04-27),
14. 6609180 - Fiber channel connection storage controller (2003-08-19),
15. 6535964 - Fiber channel connection storage controller (2003-03-18),

Title: Akemi Sanada: Innovator in Storage Technology

Introduction

Akemi Sanada is a prominent inventor based in Chigasaki, Japan, known for her significant contributions to storage technology. With a total of 18 patents to her name, she has made remarkable advancements in the field, particularly in methods for controlling storage apparatuses.

Latest Patents

Among her latest patents is a "Storage apparatus and method for controlling storage apparatus involving snapshots." This invention prevents a drop in access performance to a source volume by executing various control methods based on the snapshot usage method. The storage apparatus comprises one or more storage devices that provide storage areas, along with a controller that creates a logical volume in the storage area. The controller reads and writes data from and to the logical volume according to requests from a host. It also acquires snapshots, which are data images at specific time points of the logical volume. The controller determines if the logical volume is subject to abrupt load fluctuations based on performance information and snapshots, executing predetermined control processing as needed.

Another notable patent is the "Fiber channel connection storage controller." This storage system is designed to connect to multiple host devices via a fiber channel. It includes several storage devices, with some corresponding to a logical unit of multiple logical units. The storage control device features a cache memory that manages data storage addressed to the logical unit. Additionally, it includes an input device to set information that prevents unauthorized access to the logical unit

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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