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Elpida Memory, Inc.

USPTO Granted Patents = 1,458

EPO Patents = 1

Forward Citations = 9,945

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688 inventors (with patents filed for the assignee):

Kazuhiko Kajigaya (90 out of 226 patents)

Hiroki Fujisawa (79 out of 153 patents)

Hiroaki Ikeda (42 out of 126 patents)

4. Yoji Nishio (42 out of 86 patents)

5. Mitsuaki Katagiri (35 out of 63 patents)

6. Riichiro Takemura (34 out of 134 patents)

7. Hiroyuki Ode (34 out of 53 patents)

8. Toru Ishikawa (33 out of 109 patents)

9. Tomonori Sekiguchi (32 out of 123 patents)

10. Kayoko Shibata (30 out of 47 patents)

11. Hanhong Chen (29 out of 69 patents)

12. Seiji Funaba (29 out of 45 patents)

13. Sandra Guy Malhotra (26 out of 113 patents)

14. Yoshinori Matsui (24 out of 87 patents)

15. Kiyonori Oyu (23 out of 39 patents)

Core Competencies:

Nonvolatile Memory

Semiconductor Device

DRAM Capacitors

High-K Dielectric Materials

MIM Capacitors

Flash Layer Deposition

Electrical Performance

Rutile Phase Titanium Oxide

Leakage Current Reduction

Stacked Semiconductor Chips

Auxiliary I/O Line Assist Circuit

Bias Line Noise Cancellation

1,458 patents: Sort by Forward Citations

1. 9508431 - Nonvolatile semiconductor memory device of variable resistive type with reduced variations of forming current after breakdown (2016-11-29),

2. 9465068 - Test method for semiconductor device having stacked plural semiconductor chips (2016-10-11),

3. 9281357 - DRAM MIM capacitor using non-noble electrodes (2016-03-08),

4. 9224878 - High work function, manufacturable top electrode (2015-12-29),

5. 9218878 - Semiconductor device and control method for semiconductor device (2015-12-22),

6. 9178006 - Methods to improve electrical performance of ZrO2 based high-K dielectric materials for DRAM applications (2015-11-03),

7. 9012298 - Methods for reproducible flash layer deposition (2015-04-21),

8. 8980744 - Inexpensive electrode materials to facilitate rutile phase titanium oxide (2015-03-17),

9. 8975633 - Molybdenum oxide top electrode for DRAM capacitors (2015-03-10),

10. 8975147 - Enhanced work function layer supporting growth of rutile phase titanium oxide (2015-03-10),

11. 8910375 - Mounting apparatus (2014-12-16),

12. 8906812 - [object Object] (2014-12-09),

13. 8900422 - Yttrium and titanium high-K dielectric film (2014-12-02),

14. 8900418 - Yttrium and titanium high-k dielectric films (2014-12-02),

15. 8853049 - Single-sided non-noble metal electrode hybrid MIM stack for DRAM devices (2014-10-07),

Elpida Memory, Inc. is a leading global provider of dynamic random-access memory (DRAM) products. The company specializes in manufacturing, designing, and marketing high-performance memory solutions for various applications. Elpida Memory is committed to delivering superior and innovative memory solutions to meet the growing demands of the digital world. With a strong focus on research and development, Elpida Memory continues to push the boundaries of memory technology to enhance computer performance and enable new possibilities in the fields of computing, mobile devices, and networking.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,458 Patents

#74 in Tokyo

#152 in Japan

#656 in the World

Elpida Memory, Inc.

Forward Citations = 9,945

688 inventors:

Kazuhiko Kajigaya (90 out of 226 patents)

Hiroki Fujisawa (79 out of 153 patents)

Hiroaki Ikeda (42 out of 126 patents)

4. Yoji Nishio (42 out of 86 patents)

5. Mitsuaki Katagiri (35 out of 63 patents)

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