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For the Inventor, By the Inventor

Odawara, Japan

Yasuhiro Sakakibara

This inventor holds 13 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Microcomputer Engineering, Ltd.. Active years: 1987-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiro Sakakibara. Retrieved from https://idiyas.com/inventor/yasuhiro-sakakibara

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

USPTO Granted Patents = 13

% Patents Active = 61.5

Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 125(Granted Patents)


Location History:

  • Kodaira, JP (1987 - 1995)
  • Odawara, JP (2006 - 2010)

Company Filing History:

goldMedal13 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal4 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1987-2010

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13 patents (USPTO):Explore Patents
1. 7685362 - Storage unit and circuit for shaping communication signal (2010-03-23),
2. 7669066 - Disk array system having plural disk drives that controls supplying of power to a disk drive having finished a destaging process on a disk drive by disk drive basis (2010-02-23),
3. 7480765 - Storage unit and circuit for shaping communication signal (2009-01-20),
4. 7447816 - Disk array system and disk drive unit (2008-11-04),
5. 7296166 - Disk array system for starting destaging process of unwritten cache memory data to disk drive upon detecting DC voltage level falling below predetermined value (2007-11-13),
6. 7206946 - Disk drive system for starting destaging of unwritten cache memory data to disk drive upon detection of DC voltage level falling below predetermined value (2007-04-17),
7. 7120736 - Storage unit and circuit for shaping communication signal (2006-10-10),
8. 7100059 - Disk array system having a first and second disk control unit each having cache memory, shared memory, a plurality of power units, a plurality of hard disks, and an AC/DC power supply (2006-08-29),
9. 7069358 - Disk array system and disk drive unit (2006-06-27),
10. 5414825 - Method of programming a semiconductor memory device within a (1995-05-09),
11. 5109359 - Method of controlling a semiconductor integrated circuit (1992-04-28),
12. 4905140 - Semiconductor integrated circuit device (1990-02-27),
13. 4701886 - Semiconductor integrated circuit device (1987-10-20),

Title: **Innovations by Yasuhiro Sakakibara: A Pioneer in Storage Technology**

Introduction

Yasuhiro Sakakibara, an inventor hailing from Odawara, Japan, has made significant contributions to the field of storage technology. With an impressive portfolio of 13 patents, his innovations focus on advanced storage units and systems that enhance data processing capabilities.

Latest Patents

Sakakibara's latest patents include a "Storage unit and circuit for shaping communication signal," which introduces a sophisticated storage unit featuring a channel control portion for data input/output requests, a cache memory for data storage, and multiple disk drives that operate at varying communication speeds. This design allows for efficient data management and enhances overall system performance.

Another notable patent is the "Disk array system having plural disk drives that controls supplying of power to a disk drive having finished a destaging process on a disk drive by disk drive basis." This invention encompasses a disk array system that incorporates various control portions and memory units while ensuring optimal power supply management for effective disk operations.

Career Highlights

Throughout his career, Yasuhiro has worked with prominent companies such as Hitachi, Ltd. and Hitachi Microcomputer Engineering, Ltd. His expertise in storage technology has been instrumental in developing innovative solutions that address the growing demands of data storage and management in modern computing environments.

Collaborations

Sakakibara has collaborated with esteemed colleagues, including Hiroshi Suzuki and Hiromi Matsushige, to further enhance his inventions. Their collective efforts have led to advancements in storage technology, contributing to the efficiency and reliability of data management systems.

Conclusion

Yasuhiro Sakakibara stands out as a significant figure in the innovation landscape of storage technology. With a robust portfolio of patents and a successful career in reputable companies, his contributions continue to shape the future of data management and storage solutions.

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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