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For the Inventor, By the Inventor

Hadano, Japan

Chikahiko Izumi

This inventor holds 8 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1977-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chikahiko Izumi. Retrieved from https://idiyas.com/inventor/chikahiko-izumi

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 168(Granted Patents)


Location History:

  • Hatano, JA (1977)
  • Hadano, JP (1979 - 1986)

Company Filing History:

goldMedal8 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 1977-1986

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8 patents (USPTO):Explore Patents
1. 4631668 - Storage system using comparison and merger of encached data and update (1986-12-23),
2. 4561071 - Storage system having buffer storage (1985-12-24),
3. 4500959 - Apparatus for invalidating the content of an instruction buffer by (1985-02-19),
4. 4385365 - Data shunting and recovering device (1983-05-24),
5. 4335425 - Data processing apparatus having diagnosis function (1982-06-15),
6. 4326248 - Multiple virtual storage control system (1982-04-20),
7. 4172287 - General purpose data processing apparatus for processing vector (1979-10-23),
8. 4056844 - Memory control system using plural buffer address arrays (1977-11-01),

Title: The Innovative Mind of Chikahiko Izumi

Introduction

Chikahiko Izumi is a notable inventor based in Hadano, Japan, recognized for his contributions to data storage technology. With a total of eight patents to his name, Izumi has significantly impacted how data is managed and retrieved in modern computing systems.

Latest Patents

Among his latest inventions, Izumi has developed several cutting-edge storage systems. One of his notable patents is a "Storage System Using Comparison and Merger of Encached Data and Update." This system includes a storage component for data retention and a store buffer designed to temporarily hold data before it is permanently stored. The mechanism allows for efficient data transfer when there are no existing fetch requests, optimizing storage management.

Another significant patent is the "Storage System Having Buffer Storage." This design integrates a translation lookaside buffer, a buffer address array, and buffer storage to enhance memory access efficiency. The translation lookaside buffer translates logical addresses into real addresses, while the system efficiently outputs data from multiple memory blocks in accordance with given logical addresses.

Career Highlights

Chikahiko Izumi currently works at Hitachi, Ltd., a prestigious company known for its innovations in technology and electronics. His career has been marked by a focus on improving data storage systems, reflecting his commitment to enhancing the efficiency and accessibility of information.

Collaborations

Throughout his career, Izumi has collaborated with talented individuals like Kanji Kubo and Shun Kawabe. Working alongside such innovative coworkers has helped foster an environment of creativity and technical advancement, enabling the development of groundbreaking technologies.

Conclusion

Chikahiko Izumi's contributions to the field of data storage are significant, showcasing his inventive spirit and dedication to technological advancement. Through his patents and collaborations, he continues to influence the future of data management in a rapidly evolving digital landscape.

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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