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For the Inventor, By the Inventor

Kawasaki, Japan

Tatsuya Nagasawa

This inventor holds 4 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1996-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuya Nagasawa. Retrieved from https://idiyas.com/inventor/tatsuya-nagasawa

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 = 3.6

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Sagamihara, JP (1996)
  • Kawasaki, JP (1998)

Company Filing History:

goldMedal4 out of 39,378 
 
Fujitsu Corporation
 patents

Years Active: 1996-1998

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4 patents (USPTO):Explore Patents
1. 5822557 - Pipelined data processing device having improved hardware control over (1998-10-13),
2. 5742842 - Data processing apparatus for executing a vector operation under control (1998-04-21),
3. 5742839 - Coprocessor for performing an arithmetic operation by automatically (1998-04-21),
4. 5517653 - Semiconductor integrated circuit device which controls the activation of (1996-05-14),

Title: Tatsuya Nagasawa: Innovator in Data Processing Technology

Introduction

Tatsuya Nagasawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of data processing technology, holding a total of 4 patents. His work focuses on improving hardware control and efficiency in arithmetic operations.

Latest Patents

Nagasawa's latest patents include a pipelined data processing device that enhances hardware control over arithmetic operations. This device features an arithmetic operation unit that operates according to pipeline control, along with an instruction decoder that manages the unit by decoding instructions. The design includes a state retaining unit that maintains the operational state of the arithmetic unit. The instruction decoder initiates and halts operations based on signals, ensuring efficient processing. Additionally, the arithmetic operation unit is equipped with a simple construction for obtaining maximum and minimum values, as well as a data packing and unpacking unit for vector data. Another notable patent is a coprocessor designed to perform arithmetic operations automatically, featuring a command storage unit, command interpreter, address designator, and update selector.

Career Highlights

Nagasawa is currently employed at Fujitsu Corporation, where he continues to innovate in the field of data processing. His work has been instrumental in advancing the capabilities of processing devices, making them more efficient and effective.

Collaborations

Throughout his career, Nagasawa has collaborated with notable colleagues, including Seiji Suetake and Koichi Hatta. These collaborations have contributed to the development of cutting-edge technologies in the industry.

Conclusion

Tatsuya Nagasawa's contributions to data processing technology exemplify his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving hardware efficiency and functionality, making a lasting impact on 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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