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For the Inventor, By the Inventor

Hino, Japan

Seiichi Yoshizumi

This inventor holds 4 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1987-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Yoshizumi. Retrieved from https://idiyas.com/inventor/seiichi-yoshizumi

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 4

Forward Citations = 86(Granted Patents)


Company Filing History:

goldMedal4 out of 42,740 
 
Hitachi, Ltd.
 patents

Years Active: 1987-1989

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4 patents (USPTO):Explore Patents
1. 4876646 - Data processor having multilevel address translation tables (1989-10-24),
2. 4868740 - System for processing data with multiple virtual address and data word (1989-09-19),
3. 4851989 - Data processing apparatus with a virtual storage address boundary check (1989-07-25),
4. 4679140 - Data processor with control of the significant bit lengths of general (1987-07-07),

Title: Seiichi Yoshizumi: Innovator in Data Processing Technology

Introduction

Seiichi Yoshizumi is a notable inventor based in Hino, Japan. He has made significant contributions to the field of data processing, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of data processors, particularly in the realm of address translation and data handling.

Latest Patents

Yoshizumi's latest patents include innovative technologies that improve data processing systems. One of his patents is for a "Data processor having multilevel address translation tables." This invention features an information processing system that utilizes a group of translation tables in a multilevel structure. It achieves address translation from a virtual address to a real address, employing a control register to manage the starting point address data and level data for efficient access to translation tables.

Another significant patent is for a "System for processing data with multiple virtual address and data word." This data processor allows for the specification of a maximum address length and supports multiple registers with varying bit lengths. It enables direct data transfer between programs with different effective address lengths, facilitating the extension of storage address lengths while ensuring compatibility with conventional data processors.

Career Highlights

Seiichi Yoshizumi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop groundbreaking technologies that have a lasting impact on the industry. His expertise in data processing has positioned him as a key figure in advancing the capabilities of modern computing systems.

Collaborations

Yoshizumi has collaborated with notable coworkers such as Toyohiko Kagimasa and Shizuo Gotou. These collaborations have contributed to the development of innovative solutions in data processing technology.

Conclusion

Seiichi Yoshizumi's contributions to data processing technology through his patents and work at Hitachi, Ltd. highlight his role as a significant inventor in the field. His innovations continue to influence the efficiency and functionality of data processing systems today.

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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