Company Filing History:

15 out of 42,485

Hitachi, Ltd.

patents

7 out of 3,781

Renesas Technology Corp.

patents

1 out of 61

Hitachi Microcomputer System, Ltd.

patents

where one patent can have more than one assignee

Years Active: 1990-2008

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22 patents (USPTO):Sort by Forward CitationsExplore 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.

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