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For the Inventor, By the Inventor

Matsudo, Japan

Hirofumi Shibuya

This inventor holds 28 USPTO granted patents and 1 published patent application, primarily in Nonvolatile Memory Systems. Top assignees: Renesas Technology Corp., Hitachi Ulsi Systems Co., Ltd., Renesas Electronics Corporation. Active years: 2003-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Shibuya. Retrieved from https://idiyas.com/inventor/hirofumi-shibuya

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

USPTO Granted Patents = 28 

% Patents Active = 50.0

Average Co-Inventor Count = 4.6

ph-index = 11

Forward Citations = 372(Granted Patents)


Location History:

  • Higashimurayama, JP (2003)
  • Tokyo, JP (2005 - 2012)
  • Matsuda, JP (2004 - 2018)

Company Filing History:

goldMedal18 out of 3,781 
 
Renesas Technology Corp.
 patents
silverMedal10 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
bronzeMedal4 out of 7,651 
 
Renesas Electronics Corporation
 patents
4. 2 out of 17 
 
Solid State Storage Solutions LLC
 patents
5. 1 out of 1 
 
Emergence Memory Solutions, Inc.
 patent
6. 2 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 2003-2018

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Areas of Expertise:
Data Transfer
Memory Controller
Nonvolatile Memory
Memory System
Data Processing
Memory Card
Semiconductor Storage
Error Check Operation
Dynamic Random Access Memory
Flash Memory
Data Management
Parallel Data Transfer
28 patents (USPTO):Explore Patents
1. 9904619 - Memory system with improved efficiency of data transfer between host, buffer, and nonvolatile memory (2018-02-27),
2. 8219882 - Memory card and memory controller (2012-07-10),
3. 8103899 - Nonvolatile memory system (2012-01-24),
4. 8042021 - Memory card and memory controller (2011-10-18),
5. 8036040 - Memory system with improved efficiency of data transfer between host, buffer, and nonvolatile memory (2011-10-11),
6. 7954039 - Memory card and memory controller (2011-05-31),
7. 7752526 - Nonvolatile memory apparatus and data processing system (2010-07-06),
8. 7596041 - Nonvolatile memory system (2009-09-29),
9. 7552311 - Memory device with preread data management (2009-06-23),
10. 7475165 - Semiconductor data storage apparatus (2009-01-06),
11. 7450457 - Memory system comprising a controller managing independent data transfer between input-output terminal, synchronous dynamic random access memory, and flash memory (2008-11-11),
12. 7447936 - Nonvolatile memory system (2008-11-04),
13. 7392457 - Memory storage device having a nonvolatile memory and memory controller with error check operation mode (2008-06-24),
14. 7290198 - Memory card and memory controller (2007-10-30),
15. 7290097 - Nonvolatile memory (2007-10-30),

Title: Hirofumi Shibuya: Innovator in Memory System Technologies

Introduction

Hirofumi Shibuya is a prominent inventor based in Matsuda, Japan, with an impressive portfolio of 28 patents. His innovations primarily focus on memory systems and data transfer efficiency, showcasing his commitment to advancing technology in this field.

Latest Patents

One of Shibuya's latest patents is a "Memory system with improved efficiency of data transfer between host, buffer, and nonvolatile memory." This invention enhances data processing efficiency during memory access. The system integrates a rewritable nonvolatile memory, a buffer memory, and a controller. The controller orchestrates data transfers among these components, allowing for parallel data transfer and time-sharing processes, thereby optimizing performance.

Another notable patent is the "Memory card and memory controller," which defines a memory card equipped with a non-volatile memory and a memory controller. This controller interfaces with external systems according to specific protocols and independently performs error detection and correction, significantly enhancing data retention reliability without depending on external access requests.

Career Highlights

Hirofumi Shibuya has made substantial contributions to the tech industry through his work with renowned companies such as Renesas Technology Corporation and Hitachi ULSI Systems Co., Ltd. His roles in these organizations have enabled him to push the boundaries of memory system technology and contribute to significant innovations.

Collaborations

Throughout his career, Shibuya has collaborated with distinguished professionals, including Shigemasa Shiota and Hiroyuki Goto. These partnerships have fostered an environment of creativity and innovation, allowing for the development of groundbreaking technology in the memory domain.

Conclusion

Hirofumi Shibuya's innovative spirit and technical expertise have propelled advancements in memory system technologies, evidenced by his impressive number of patents. His work continues to have a lasting impact on the industry, paving the way for future developments in data transfer and memory applications.

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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