Keiji Ikeda

This inventor holds 59 USPTO granted patents and 9 published patent applications, primarily in Semiconductor Memory (CPC class H01L). Top assignees: Toshiba Memory Corporation, Kabushiki Kaisha Toshiba, Kioxia Corporation. Active years: 1998-2026.

USPTO Granted Patents = 59 (Patent Applications = 9)

% Patents Active = 88.1

Average Co-Inventor Count = 2.8

ph-index = 10

Forward Citations = 344(Granted Patents)

Forward Citations (Not Self Cited) = 282(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (2012 - 2013)
Kawasaki, JP (2004 - 2020)
Kanagawa, JP (2014 - 2022)
Tokyo, JP (1998 - 2023)
Kawasaki Kanagawa, JP (2020 - 2024)

Company Filing History:

19 out of 2,955

Toshiba Memory Corporation

patents

14 out of 53,226

Kabushiki Kaisha Toshiba

Fujitsu Takamisawa Component Limited

patents

6. 2 out of 1,674

Fujitsu Semiconductor Limited

patents

7. 1 out of 467

Fujitsu Microelectronics Limited

patents

8. 1 out of 1

Seiko Kabushiki Kaisha Hattori Seiko

patent

Years Active: 1998-2026

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Areas of Expertise:

Semiconductor Memory Device

Memory Cell Array

Transistor

NAND Flash Memory

CMOS Image Sensor

DRAM

Non-volatile Memory

Oxide Semiconductor

3D Structure

Ge Channel

Sense Amplifier

Integrated Circuit

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12745624 - Semiconductor memory device (2026-09-22),

2. 12694908 - Semiconductor memory device (2026-07-28),

3. 12604457 - Semiconductor memory device (2026-04-14),

4. 12575083 - Semiconductor device and semiconductor memory device (2026-03-10),

5. 12354697 - Semiconductor memory device (2025-07-08),

6. 12354696 - Semiconductor memory device (2025-07-08),

7. 12089395 - Semiconductor device and semiconductor memory device (2024-09-10),

8. 11942545 - Semiconductor memory device (2024-03-26),

9. 11769810 - Semiconductor device and semiconductor memory device (2023-09-26),

10. 11569241 - Semiconductor device (2023-01-31),

11. 11462542 - Semiconductor storage device (2022-10-04),

12. 11430886 - Semiconductor device and semiconductor memory device (2022-08-30),

13. 11374130 - Semiconductor device and semiconductor memory device (2022-06-28),

14. 11024719 - Semiconductor device and production method thereof (2021-06-01),

15. 10950735 - Semiconductor device (2021-03-16),

Title: Keiji Ikeda: Pioneering Inventor from Kawasaki

Introduction: Keiji Ikeda is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiji Ikeda holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Keiji Ikeda has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs in various industries.

Collaborations: Throughout his career, Keiji Ikeda has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing that has been instrumental in his success as an inventor.

Conclusion: Keiji Ikeda's passion for innovation, coupled with his relentless drive to solve complex technological challenges, has solidified his reputation as a pioneering inventor not only in Kawasaki but on a global scale.