Shusaku Yamaguchi

This inventor holds 15 USPTO granted patents and 1 published patent application. Top assignees: Fujitsu Corporation, Fujitsu Microelectronics Limited. Active years: 1998-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shusaku Yamaguchi. Retrieved from https://idiyas.com/inventor/shusaku-yamaguchi

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

USPTO Granted Patents = 15 (Patent Applications = 1)

% Patents Active = 66.7

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 182(Granted Patents)

Location History:

Kanagawa, JP (1999)
Kawasaki, JP (1998 - 2010)

Company Filing History:

Fujitsu Microelectronics Limited

patents

Years Active: 1998-2010

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7719915 - Semiconductor memory device including a terminal for receiving address signal and data signal (2010-05-18),

2. 7688664 - Electrical fuse circuit, memory device and electronic part (2010-03-30),

3. 7548465 - Low current consumption semiconductor memory device (2009-06-16),

4. 7359253 - Semiconductor memory device with input buffer (2008-04-15),

5. 6754126 - Semiconductor memory (2004-06-22),

6. 6728157 - Semiconductor memory (2004-04-27),

7. 6545942 - Semiconductor memory device and information processing unit (2003-04-08),

8. 6512717 - Semiconductor memory device having a relaxed pitch for sense amplifiers (2003-01-28),

9. 6067632 - Clock-synchronized memory device and the scheduler thereof (2000-05-23),

10. 5999458 - Latch circuit, data output circuit and semiconductor device having the (1999-12-07),

11. 5978884 - Semiconductor memory device having a single line data bus and latch (1999-11-02),

12. 5889725 - Decoder circuit for a semiconductor memory device (1999-03-30),

13. 5874853 - Semiconductor integrated circuit system (1999-02-23),

14. 5841717 - Semiconductor memory device facilitating use of a high frequency clock (1998-11-24),

15. 5828613 - Random-access memory (1998-10-27),

Title: Shusaku Yamaguchi: A Pioneer in Semiconductor Innovations

Introduction

Shusaku Yamaguchi is a notable inventor based in Kawasaki, Japan, recognized for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 15 patents, Yamaguchi has played a pivotal role in advancing memory device design and functionality within the electronics industry.

Latest Patents

Among Yamaguchi's latest innovations are groundbreaking patents pertaining to semiconductor memory devices. One such invention details a semiconductor memory device that utilizes a multipurpose terminal capable of receiving both address and data signals. This advanced design includes an arbiter that prioritizes external access requests over internal refresh requests, thus preventing contention and malfunctions during read or write operations.

Another notable patent is for an electrical fuse circuit that comprises a capacitor, a write circuit, and a precharge circuit. This invention focuses on breaking the insulating film of the capacitor by applying voltage according to the write signal, enhancing electronic part reliability and performance.

Career Highlights

Shusaku Yamaguchi has built a distinguished career through his work with major tech firms such as Fujitsu Corporation and Fujitsu Microelectronics Limited. His keen insights into semiconductor technology have earned him recognition and respect throughout the industry.

Collaborations

Throughout his career, Yamaguchi has collaborated with esteemed professionals, including Atsushi Hatakeyama and Toshiya Uchida. These partnerships have further enriched his work, fostering an environment of innovation and shared expertise in semiconductor developments.

Conclusion

In summary, Shusaku Yamaguchi's contributions to semiconductor technology are significant and varied, with 15 patents that demonstrate his innovative spirit and technical prowess. His work continues to influence the electronics industry, paving the way for future advancements and showcasing the importance of innovation in technology.

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]

1 patent pending: