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For the Inventor, By the Inventor

Kodaira, Japan

Naoki Mitsuishi

This inventor holds 22 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Hitachi, Ltd., Renesas Technology Corp., Hitachi Microcomputer System, Ltd.. Active years: 1990-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Mitsuishi. Retrieved from https://idiyas.com/inventor/naoki-mitsuishi

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

Calculating rank
USPTO Granted Patents = 22

% Patents Active = 81.8

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 304(Granted Patents)


Location History:

  • Tokyo, JP (1990 - 1994)
  • Kodaira, JP (1990 - 2008)

Company Filing History:

goldMedal15 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal1 out of 64 
 
Hitachi Microcomputer System, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1990-2008

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Areas of Expertise:
Data Processor
Data Transfer Device
Semiconductor Integrated Circuit
Microcomputer
Non-Volatile Memory
Microprocessor
Memory Control
Expandable Address
Control System
Timer Circuit
Function Blocks
22 patents (USPTO):Explore Patents
1. 7376819 - Data processor with selectable word length (2008-05-20),
2. 7260667 - Data transfer device, semiconductor integrated circuit, and microcomputer (2007-08-21),
3. 7216193 - Data transfer device, semiconductor integrated circuit, and microcomputer (2007-05-08),
4. 7093055 - Data transfer device, semiconductor integrated circuit, and microcomputer (2006-08-15),
5. 6907514 - Microcomputer and microcomputer system (2005-06-14),
6. 6763448 - Microcomputer and microcomputer system (2004-07-13),
7. 6745320 - Data processing apparatus (2004-06-01),
8. 5933344 - Microprocessor having timer circuit generating complementary (1999-08-03),
9. 5930488 - Semiconductor integrated circuit device with a central processing unit, (1999-07-27),
10. 5809259 - Semiconductor integrated circuit device (1998-09-15),
11. 5774702 - Integrated circuit having function blocks operating in response to clock (1998-06-30),
12. 5771363 - Single-chip microcomputer having an expandable address area (1998-06-23),
13. 5736948 - Semiconductor integrated circuit device and control system (1998-04-07),
14. 5687344 - Single-chip microcomputer having an expandable address area (1997-11-11),
15. 5666510 - Data processing device having an expandable address space (1997-09-09),

Title: **Innovative Contributions of Naoki Mitsuishi in Data Processing Technologies**

Introduction

Naoki Mitsuishi is a distinguished inventor based in Kodaira, Japan, recognized for his significant contributions to the field of data processing. With a remarkable portfolio of 22 patents to his name, Mitsuishi has been instrumental in advancing technologies that enhance the efficiency and effectiveness of central processing units.

Latest Patents

Among Mitsuishi's latest groundbreaking patents is a **Data Processor with Selectable Word Length**. This invention details an apparatus and method that allows a CPU to read instructions in either 16-bit or 32-bit units. This flexibility enables the system to adapt increment values for the program counter based on the selected word length, ensuring that data reading and writing are performed efficiently.

Another notable patent is the **Data Transfer Device, Semiconductor Integrated Circuit, and Microcomputer**, which aims to improve the efficiency of data transfer processing. This device allows independent requests for bus access rights and facilitates concurrent data processing in the CPU. The invention addresses the challenges of bus access rights by simplifying the handshake sequence between data transfer requests, ensuring seamless operation.

Career Highlights

Mitsuishi has rendered valuable services in prominent organizations, including Hitachi, Ltd. and Renesas Technology Corporation. His work in these companies has significantly influenced the direction of data processing technologies, thus impacting a wide array of applications across multiple industries.

Collaborations

Throughout his career, Mitsuishi has collaborated with talented professionals such as Kiyoshi Matsubara and Shiro Baba. These collaborations have yielded innovative solutions that further enhance data processing capabilities and efficiency.

Conclusion

Naoki Mitsuishi's extensive contributions to the field of data processing, marked by his numerous patents and collaborative efforts, reflect his dedication to innovation. His work continues to pave the way for advancements in technology, ensuring that data processing systems adapt to the ever-evolving needs of the digital world.

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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