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For the Inventor, By the Inventor

Kawasaki, Japan

Shouichi Kawamura

This inventor holds 16 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1995-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shouichi Kawamura. Retrieved from https://idiyas.com/inventor/shouichi-kawamura

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

USPTO Granted Patents = 16

% Patents Active = 93.8

Average Co-Inventor Count = 4.1

ph-index = 11

Forward Citations = 293(Granted Patents)


Company Filing History:

goldMedal16 out of 39,374 
 
Fujitsu Corporation
 patents

Years Active: 1995-2003

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16 patents (USPTO):Explore Patents
1. 6611464 - Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics (2003-08-26),
2. 6288945 - Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics (2001-09-11),
3. 5815440 - Semiconductor memory device with electrically controllable threshold (1998-09-29),
4. 5770963 - Flash memory with improved erasability and its circuitry (1998-06-23),
5. 5631597 - Negative voltage circuit for a flash memory (1997-05-20),
6. 5608670 - Flash memory with improved erasability and its circuitry (1997-03-04),
7. 5592419 - Flash memory with improved erasability and its circuitry (1997-01-07),
8. 5590074 - Nonvolatile semiconductor memory (1996-12-31),
9. 5581107 - Nonvolatile semiconductor memory that eases the dielectric strength (1996-12-03),
10. 5576637 - XOR CMOS logic gate (1996-11-19),
11. 5572463 - Nonvolatile semiconductor memory with pre-read means (1996-11-05),
12. 5537356 - Nonvolatile semiconductor memory (1996-07-16),
13. 5490107 - Nonvolatile semiconductor memory (1996-02-06),
14. 5487036 - Nonvolatile semiconductor memory (1996-01-23),
15. 5485424 - Semiconductor memory and redundant-address writing method (1996-01-16),

Title: Inventor Shouichi Kawamura: Innovating Semiconductor Memory Technology

Introduction

Shouichi Kawamura is a renowned inventor based in Kawasaki, Japan, known for his significant contributions to the field of semiconductor technology. With a remarkable portfolio of 16 patents, his innovations have greatly impacted the development of nonvolatile memory devices, enhancing both their performance and reliability.

Latest Patents

One of Kawamura's notable patents involves a nonvolatile semiconductor memory device that features electrically and collectively erasable characteristics. The device includes two word lines, multiple bit lines, and a variety of nonvolatile memory cells situated at the intersections of these lines. It also incorporates a write circuit that allows data to be written to specific memory cells, along with a sense amplifier for data retrieval. This invention includes a first unit for selecting a block of two out of the word lines and a second unit that strategically avoids selecting defective lines, thus ensuring the effective use of redundant word lines. The result is a stable write and verification process that improves both yield and overall performance of the semiconductor memory device.

Career Highlights

Shouichi Kawamura has spent a significant portion of his career at Fujitsu Corporation, where he has been instrumental in advancing semiconductor technologies. His work has not only led to patents that drive innovation but has also played a key role in enhancing the capabilities of modern electronic devices.

Collaborations

Throughout his career, Kawamura has collaborated with esteemed colleagues including Yasushi Kasa and Takao Akaogi. These partnerships have facilitated the exchange of ideas and insights, further enriching the innovative processes at Fujitsu Corporation and in the semiconductor industry as a whole.

Conclusion

In conclusion, Shouichi Kawamura stands out as a pivotal figure in semiconductor innovation. His patents reflect a deep understanding of the technical challenges involved in memory device design and a commitment to improving performance and reliability. As he continues to innovate at Fujitsu Corporation, Kawamura's contributions will undoubtedly shape the future of semiconductor 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]
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