Kazuhito Narita

This inventor holds 23 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Memory. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1999-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhito Narita. Retrieved from https://idiyas.com/inventor/kazuhito-narita

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

USPTO Granted Patents = 23 (Patent Applications = 2)

% Patents Active = 56.5

Average Co-Inventor Count = 4.7

ph-index = 8

Forward Citations = 429(Granted Patents)

Location History:

Kawasaki, JP (1999 - 2002)
Mie, JP (2007)
Yokkaichi, JP (2001 - 2014)

Company Filing History:

23 out of 53,262

Kabushiki Kaisha Toshiba

patents

Years Active: 1999-2014

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Areas of Expertise:

Semiconductor Memory

Nonvolatile Memory

Fabrication Method

Operation Reliability

Chip Yield

STI Technique

Charge Accumulation Layer

Element Isolation

Manufacturing Method

Device Isolation

Tapered Portion

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8665661 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2014-03-04),

2. 8259494 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2012-09-04),

3. 8248849 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2012-08-21),

4. 7787277 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2010-08-31),

5. 7359228 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2008-04-15),

6. 7297599 - Method of fabricating semiconductor device (2007-11-20),

7. 7238975 - Nonvolatile semiconductor memory device and manufacturing method therefor (2007-07-03),

8. 7195968 - Method of fabricating semiconductor device (2007-03-27),

9. 7151685 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2006-12-19),

10. 7002845 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2006-02-21),

11. 6933194 - Method of manufacturing semiconductor device using STI technique (2005-08-23),

12. 6836444 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2004-12-28),

13. 6642568 - Semiconductor device and method of manufacturing the same (2003-11-04),

14. 6611447 - Semiconductor memory device capable of realizing a chip with high operation reliability and high yield (2003-08-26),

15. 6462373 - Nonvolatile semiconductor memory device having tapered portion on side wall of charge accumulation layer (2002-10-08),

Title: Kazuhito Narita: A Pioneer in Semiconductor Memory Technology

Introduction: Kazuhito Narita, based in Yokkaichi, Japan, is an accomplished inventor with a remarkable portfolio of 23 patents. His contributions to the field of semiconductor technology have significantly advanced the reliability and efficiency of memory devices.

Latest Patents: Among his latest innovations, Kazuhito Narita has developed a semiconductor memory device capable of realizing a chip with high operational reliability and high yield. This device addresses the critical issue of defects caused by decreased etching precision in the end areas of memory cell arrays. The invention features a unique structure where the first block comprises first memory cell units, and the second block consists of second memory cell units. The intelligent arrangement and differentiation in structure between the memory cell units enhance the overall performance of the semiconductor memory devices.

Career Highlights: Kazuhito Narita has dedicated a significant portion of his career to technological advancements at Toshiba Corporation. His focus on semiconductor memory devices showcases his expertise in creating solutions that improve both the reliability and yield of memory chips, making him a valuable asset in the tech industry.

Collaborations: Throughout his career, Narita has worked alongside notable coworkers, including Seiichi Aritome and Kazuhiro Shimizu. Their collaborative efforts have contributed to the successful development of innovative semiconductor technologies that continue to impact the industry positively.

Conclusion: Kazuhito Narita's inventive spirit and dedication to semiconductor memory technology reflect his significant role in advancing the field. His work not only enhances the performance of memory devices but also establishes a strong foundation for future innovations 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]

2 patents pending: