Hitoshi Shiga

This inventor holds 57 USPTO granted patents and 4 published patent applications, primarily in Semiconductor Memory Devices (CPC class G11C). Top assignees: Kabushiki Kaisha Toshiba, Solid State System Co., Ltd., Toshiba Memory Corporation. Active years: 2000-2024.

USPTO Granted Patents = 57 (Patent Applications = 4)

% Patents Active = 50.9

Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 350(Granted Patents)

Forward Citations (Not Self Cited) = 344(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (2005)
Matsuyama, JP (2005 - 2007)
Milpitas, CA (US) (2009 - 2010)
Yokohama, JP (2000 - 2014)
Kanagawa-ken, JP (2012 - 2015)
Kawasaki, JP (2014 - 2020)
Kawasaki Kanagawa, JP (2019 - 2024)

Company Filing History:

52 out of 53,211

Kabushiki Kaisha Toshiba

patents

3 out of 61

Solid State System Co., Ltd.

patents

3 out of 2,955

Toshiba Memory Corporation

where one patent can have more than one assignee

Years Active: 2000-2024

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Areas of Expertise:

Nonvolatile Memory

Semiconductor Storage

NAND Flash Memory

Memory System

Block Decoders

Latch Circuit

Signal Integrity

Integrated Circuit

Data Reading Method

Memory Device

Write Control Circuit

Multi-Level Memory

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12080374 - Semiconductor storage device (2024-09-03),

2. 11158385 - Semiconductor memory device that includes block decoders each having plural transistors and a latch circuit (2021-10-26),

3. 10629268 - Semiconductor memory device that includes a block decoder having plural transistors and a latch circuit (2020-04-21),

4. 10593405 - Read process in a semiconductor memory device including a memory cell transistor (2020-03-17),

5. 10297338 - Memory system (2019-05-21),

6. 9613720 - Semiconductor storage device (2017-04-04),

7. 9196371 - Nonvolatile semiconductor memory device and read method thereof (2015-11-24),

8. 9043679 - Memory device (2015-05-26),

9. 9003105 - Semiconductor memory device and method for writing therein (2015-04-07),

10. 8902662 - Memory system having nonvolatile semiconductor memories with control operation having high-current and low-current periods (2014-12-02),

11. 8843674 - Semiconductor memory device capable of testing signal integrity (2014-09-23),

12. 8432737 - Nonvolatile semiconductor memory device and method testing the same (2013-04-30),

13. 8331158 - Semiconductor memory device (2012-12-11),

14. 8331147 - Nonvolatile semiconductor memory device (2012-12-11),

15. 8327063 - Memory system with a semiconductor memory device (2012-12-04),

Title: Inventor Hitoshi Shiga: Pioneering Innovations in Yokohama

Introduction: Hitoshi Shiga is a renowned inventor based in Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

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

Career Highlights: With a career spanning over two decades, Hitoshi Shiga has worked with leading tech companies and research institutions, playing a key role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Hitoshi Shiga has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge sharing to drive progress in the field of technology.

Conclusion: Hitoshi Shiga's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology and inspiring the next generation of innovators.