Average Co-Inventor Count = 3.1

ph-index = 21

Forward Citations = 1,464(Granted Patents)

DiyaCoin

= 0.76

Inventors with similar research interests:

Location History:

Itami, JP (1994)
Hyogo-ken, JP (1996 - 1999)
Tokyo, JP (2003 - 2005)
Amagasaki, JP (2008 - 2012)
Hyogo, JP (1991 - 2015)

Company Filing History:

54 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

Hitachi Ulsi Engineering Corp.

patents

5. 1 out of 3,781

Renesas Technology Corp.

patents

where one patent can have more than one assignee

Years Active: 1991-2015

where 'Filed Patents' based on already Granted Patents

70 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8964463 - Read disturb control in a nonvolatile semiconductor memory device having P-type memory cell transistor (2015-02-24),

2. 8897077 - Nonvolatile semiconductor memory device (2014-11-25),

3. 8687455 - Nonvolatile semiconductor memory (2014-04-01),

4. 8492826 - Non-volatile semiconductor memory device and manufacturing method thereof (2013-07-23),

5. 8107300 - Non-volatile semiconductor memory device comprising capacitive coupling program inhibit circuitry (2012-01-31),

6. 8106443 - Non-volatile semiconductor memory device (2012-01-31),

7. 8044498 - Interposer, semiconductor chip mounted sub-board, and semiconductor package (2011-10-25),

8. 8017994 - Nonvolatile semiconductor memory (2011-09-13),

9. 8000137 - Nonvolatile semiconductor memory device and usage method thereof (2011-08-16),

10. 7924615 - Nonvolatile semiconductor memory device (2011-04-12),

11. 7723835 - Semiconductor device package structure (2010-05-25),

12. 7701778 - Nonvolatile semiconductor memory device (2010-04-20),

13. 7573742 - Nonvolatile semiconductor memory (2009-08-11),

14. 7515479 - Nonvolatile semiconductor storage device and method for writing therein (2009-04-07),

15. 7420206 - Interposer, semiconductor chip mounted sub-board, and semiconductor package (2008-09-02),

Title: Natsuo Ajika: Innovator in Semiconductor Memory Devices

Introduction

Natsuo Ajika, based in Hyogo, Japan, is a prominent inventor known for his substantial contributions to the field of semiconductor memory devices. With an impressive portfolio of 70 patents, Ajika has made significant strides in innovation, particularly in nonvolatile memory technologies.

Latest Patents

One of Ajika's latest patents is focused on a read disturb control mechanism in a nonvolatile semiconductor memory device equipped with a P-type memory cell transistor. This invention involves a control circuit designed to perform a program operation where the P-type memory cell transistor's threshold is maintained within specific values, aiding in effective electron injection into the charge storage layer. Another notable patent details a nonvolatile semiconductor memory device that features multiple layers of memory gate lines and a matrix of memory cells, utilizing a P-type MIS nonvolatile transistor architecture, showcasing Ajika's expertise in maximizing memory efficiency and reliability.

Career Highlights

Throughout his career, Natsuo Ajika has played pivotal roles at various renowned companies, notably Mitsubishi Electric Corporation and Genusion, Inc. His work at these organizations has been instrumental in advancing semiconductor technologies, earning him recognition among his peers and the broader tech community.

Collaborations

Ajika has collaborated with several notable colleagues, including Hideaki Arima and Atsushi Hachisuka. These partnerships have fostered an environment of innovation and creativity, significantly enhancing the development of new technologies within the semiconductor industry.

Conclusion

Natsuo Ajika stands as a key figure in the realm of semiconductor innovations, with numerous patents reflecting his dedication to advancing technology. His contributions not only highlight his inventive prowess but also pave the way for future developments in nonvolatile memory devices. As technology continues to evolve, Ajika's work will undoubtedly play a crucial role in shaping the future of semiconductor memory solutions.

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