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For the Inventor, By the Inventor

Itami, Japan

Yuichi Nakao

This inventor holds 11 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1991-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Nakao. Retrieved from https://idiyas.com/inventor/yuichi-nakao-0pj3a8cu

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 8

Forward Citations = 251(Granted Patents)


Location History:

  • Hyogo, JP (1993)
  • Itami, JP (1991 - 1999)

Company Filing History:

goldMedal11 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents

Years Active: 1991-1999

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11 patents (USPTO):Explore Patents
1. 5956520 - Microcomputer for accessing a memory outside the chip by using an (1999-09-21),
2. 5719517 - Clock generating circuit for digital circuit operating in synchronism (1998-02-17),
3. 5552727 - Digital phase locked loop circuit (1996-09-03),
4. 5537659 - Bus controller for adjusting port size communication between a bus (1996-07-16),
5. 5506799 - Booth array multiplying circuit having carry correction (1996-04-09),
6. 5481678 - Data processor including selection mechanism for coupling internal and (1996-01-02),
7. 5325521 - Wait control device (1994-06-28),
8. 5274780 - Bus controller for adjusting a bus master to a bus slave (1993-12-28),
9. 5220672 - Low power consuming digital circuit device (1993-06-15),
10. 5089987 - Refresh control circuit (1992-02-18),
11. 5031097 - Direct memory access controller (1991-07-09),

Title: Innovations of Yuichi Nakao

Introduction

Yuichi Nakao is a prominent inventor based in Itami, Japan. He has made significant contributions to the field of microcomputers and digital circuits. With a total of 11 patents to his name, Nakao's work has had a considerable impact on technology.

Latest Patents

One of his latest patents involves a microcomputer designed for accessing memory outside the chip using an external bus interface section. This innovation allows high-order bits of a logical address generated by a CPU to be outputted to indicate which integrated ROM space, integrated RAM space, or external space is being accessed by the currently executed program. This feature enables real-time knowledge of the accessed space without the need for external hardware. Another notable patent is a clock generating circuit for digital circuits operating in synchronism. This circuit includes an oscillation stop signal holding latch that stores a value determining the significance of an oscillation stop signal. It also features a NOR gate that controls the generation of a clock signal based on the state of the oscillation stop signal and an external input signal.

Career Highlights

Yuichi Nakao is currently employed at Mitsubishi Electric Corporation, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of microcomputers and digital circuits.

Collaborations

Nakao has collaborated with several talented individuals in his field, including Hiroyuki Kondo and Kazumi Koyama. These collaborations have further enhanced the quality and impact of his inventions.

Conclusion

Yuichi Nakao's contributions to technology through his patents and innovations demonstrate his expertise and commitment to advancing the field of microcomputers and digital circuits. His work continues to influence the industry and inspire future innovations.

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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