Kawasaki, Japan

Masahiro Yoshida

This inventor holds 84 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Storage Systems (CPC class G03G1-502). Top assignees: Fujitsu Corporation, Hoya Corporation, Canon Kabushiki Kaisha. Active years: 1986-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Yoshida. Retrieved from https://idiyas.com/inventor/masahiro-yoshida-eivuszxm

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

USPTO Granted Patents = 84 

% Patents Active = 73.8


Average Co-Inventor Count = 2.9

ph-index = 16

Forward Citations = 772(Granted Patents)

Forward Citations (Not Self Cited) = 752(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kita-Katsushika, JP (1986)
  • Hitachi, JP (1986 - 1991)
  • Akishima, JP (1990 - 1992)
  • Wako, JP (1999 - 2000)
  • Toride, JP (2000 - 2002)
  • Saitam, JP (2000 - 2002)
  • Kashiwa, JP (2001 - 2003)
  • Yokohama, JP (2004 - 2005)
  • Saitama, JP (1986 - 2012)
  • Hidaka, JP (1993 - 2012)
  • Chiba, JP (2005 - 2016)
  • Fukuyama, JP (2017)
  • Kawasaki, JP (1998 - 2021)

Company Filing History:


Years Active: 1986-2021

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Areas of Expertise:
Firmware Replacement
Storage Controller
RAID Systems
Semiconductor Storage
Data Management
High-Strength Steel
Optical Elements
Display Driving
Power Management
Image Forming
84 patents (USPTO):Explore Patents

Title: **Masahiro Yoshida: Innovator in Storage Systems**

Introduction

Masahiro Yoshida, an esteemed inventor located in Kawasaki, Japan, has significantly contributed to the field of technology with an impressive portfolio of 84 patents. His work primarily focuses on advancements in storage systems, enhancing the reliability and efficiency of electronic devices.

Latest Patents

Among his latest innovations are two notable patents: "Active firmware replacement in storage system and in storage controller" and "Computer-readable recording medium having stored therein program for active firmware replacement in controlling storage." These patents address critical issues in dynamic storage environments. The first patent ensures that before an active program replacement occurs, the storage controller verifies the communication state with a redundant storage controller and a secondary storage device. This precautionary measure prevents system failures during the firmware replacement process when multiple storage devices are interconnected.

The second patent elaborates on managing degeneration processing in electronic devices, emphasizing the necessity of ensuring firmware switching completion before incorporating devices into the network. These developments are crucial for maintaining optimal operational integrity in complex storage systems.

Career Highlights

Masahiro has made significant contributions while working with prominent companies such as Fujitsu Corporation and Hoya Corporation. His innovative approach and dedication to his work have cemented his reputation as a leading inventor in his field.

Collaborations

Throughout his career, Masahiro has had the opportunity to collaborate with talented professionals, including Junichi Kato and Tadashi Matsumura. Their collective expertise has undoubtedly contributed to the success of the projects they have undertaken together.

Conclusion

Masahiro Yoshida's contributions to the innovation of storage systems reflect a deep understanding of technology and an unwavering commitment to improving device performance and reliability. His patents not only enhance existing systems but also pave the way for future advancements in the industry.

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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