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For the Inventor, By the Inventor

Yokkaichi, Japan

Mitsuteru Mushiga

USPTO Granted Patents = 25 

Average Co-Inventor Count = 3.9

ph-index = 10

Forward Citations = 378(Granted Patents)


Location History:

  • Kuwana, JP (2018 - 2022)
  • Yokkaichi, JP (2019 - 2024)

Company Filing History:

goldMedal25 out of 4,519 
 
Sandisk Technologies Inc.
 patents

Years Active: 2018-2025

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25 patents (USPTO):Explore Patents
1. 12424602 - Bonded assembly containing conductive via structures extending through word lines in a staircase region and methods for making the same (2025-09-23),
2. 11935784 - Three-dimensional memory device containing self-aligned bit line contacts and methods for forming the same (2024-03-19),
3. 11889684 - Three-dimensional memory device with separated source-side lines and method of making the same (2024-01-30),
4. 11501821 - Three-dimensional memory device containing a shared word line driver across different tiers and methods for making the same (2022-11-15),
5. 11393836 - Three-dimensional memory device with separated source-side lines and method of making the same (2022-07-19),
6. 11322483 - Three-dimensional memory device containing a shared word line driver across different tiers and methods for making the same (2022-05-03),
7. 11276708 - Three-dimensional device with bonded structures including a support die and methods of making the same (2022-03-15),
8. 11069703 - Three-dimensional device with bonded structures including a support die and methods of making the same (2021-07-20),
9. 10923496 - Three-dimensional memory device containing a replacement buried source line and methods of making the same (2021-02-16),
10. 10892267 - Three-dimensional memory device containing through-memory-level contact via structures and method of making the same (2021-01-12),
11. 10847524 - Three-dimensional memory device having double-width staircase regions and methods of manufacturing the same (2020-11-24),
12. 10833100 - Three-dimensional memory device including a deformation-resistant edge seal structure and methods for making the same (2020-11-10),
13. 10797070 - Three-dimensional memory device containing a replacement buried source line and methods of making the same (2020-10-06),
14. 10714497 - Three-dimensional device with bonded structures including a support die and methods of making the same (2020-07-14),
15. 10665607 - Three-dimensional memory device including a deformation-resistant edge seal structure and methods for making the same (2020-05-26),

Introduction

Mitsuteru Mushiga is a prominent inventor based in Yokkaichi, Japan, known for his significant contributions to the field of memory devices. With an impressive portfolio of 24 patents, his work focuses on advancing memory technology and enhancing performance in digital devices.

Latest Patents

Mitsuteru's latest patents include groundbreaking innovations such as a "Three-dimensional memory device containing self-aligned bit line contacts and methods for forming the same." This invention features a vertical layer stack incorporating a bit-line-level dielectric layer and an etch stop dielectric layer, facilitating the formation of bit-line trenches and fill structures. Each fill structure comprises a stack of a bit line and a capping dielectric strip, optimizing memory device architecture.

Another notable patent is the "Three-dimensional memory device with separated source-side lines and method of making the same." This invention involves an alternating stack of insulating and electrically conductive layers over source layers, with vertically extending memory opening fill structures housing memory elements and semiconductor channels. This innovative design allows for lateral spacing of select gate electrodes, further advancing memory efficiency.

Career Highlights

Throughout his career, Mitsuteru Mushiga has excelled at SanDisk Technologies Inc., where he has significantly impacted memory technology through his inventive prowess. His research and development efforts have positioned him as a leader in the field, contributing to various advancements in three-dimensional memory solutions.

Collaborations

Mitsuteru has worked closely with talented colleagues Akio Nishida and Kenji Sugiura. Their collaboration has fostered an environment of innovation, merging their expertise to drive forward the development of cutting-edge memory technologies.

Conclusion

In summary, Mitsuteru Mushiga stands out as a noteworthy inventor in the realm of memory devices. His recent patents underscore his commitment to innovation and the enhancement of memory technology, positioning him as a key player in the field. Through his collaborations and contributions, Mitsuteru continues to inspire and shape the future of digital storage solutions.

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