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For the Inventor, By the Inventor

Yokohama, Japan

Kazuo Horikawa

This inventor holds 5 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1999-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Horikawa. Retrieved from https://idiyas.com/inventor/kazuo-horikawa-omnpqugm

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 60.0

Average Co-Inventor Count = 6.4

ph-index = 2

Forward Citations = 94(Granted Patents)


Company Filing History:

goldMedal5 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1999-2006

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5 patents (USPTO):Explore Patents
1. 7080227 - Information processing apparatus (2006-07-18),
2. 7062627 - Memory managing method used in adding memory and information processing apparatus (2006-06-13),
3. 6970912 - Computer system having a plurality of computers each providing a shared storage access processing mechanism for controlling local/remote access to shared storage devices (2005-11-29),
4. 6684312 - Memory managing method used in adding memory and information processing apparatus (2004-01-27),
5. 5935205 - Computer system having a plurality of computers each providing a shared (1999-08-10),

Title: Kazuo Horikawa: Innovator in Information Processing Technology

Introduction

Kazuo Horikawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of information processing technology, holding a total of 5 patents. His innovative work has paved the way for advancements in memory management systems.

Latest Patents

Horikawa's latest patents include an information processing apparatus designed to allow memory to be added while the system is powered. This apparatus consists of a processor, an initially connected first main memory, and a connecting switch. The switch facilitates the connection between the processor, the first main memory, and a second main memory that can be added. The main memory management information stored in the first main memory includes the size of memory resources connected to the processor. Additionally, a storage region in the connecting switch retains information about the connection status of the processor to each of the memories. This innovative setup enables the apparatus to utilize the added memory without requiring a restart.

Career Highlights

Kazuo Horikawa is currently employed at Hitachi, Ltd., where he continues to develop cutting-edge technologies. His work has been instrumental in enhancing the efficiency and functionality of information processing systems.

Collaborations

Throughout his career, Horikawa has collaborated with notable colleagues, including Hideki Murayama and Hiroshi Yashiro. These partnerships have contributed to the successful development of his innovative projects.

Conclusion

Kazuo Horikawa's contributions to information processing technology exemplify the spirit of innovation. His patents reflect a commitment to advancing memory management systems, making significant impacts in the field.

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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