Average Co-Inventor Count = 2.1

ph-index = 13

Forward Citations = 509(Granted Patents)

Forward Citations (Not Self Cited) = 493(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (1996 - 2007)
Shinagawa-ku, JP (2008)
Tokyo, JP (2004 - 2022)

Company Filing History:

50 out of 52,766

Kabushiki Kaisha Toshiba

patents

1 out of 2,955

Toshiba Memory Corporation

Years Active: 1996-2022

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Areas of Expertise:

Nonvolatile Semiconductor Memory

Semiconductor Storage Device

Memory Device

Floating Gate Transistors

Control Gate Technology

Integrated Circuit Device

Step-Up Circuit

Data-Erasable Memory

Channel Erase Memory

MOS Transistors

Fuse Memory

Memory Card Technology

52 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11270981 - Memory device (2022-03-08),

2. 10811393 - Memory device (2020-10-20),

3. 8432744 - Semiconductor storage device with a well control circuit (2013-04-30),

4. 8331156 - Nonvolatile semiconductor storage device with multiple well regions and a shared bit line (2012-12-11),

5. 8259493 - Nonvolatile semiconductor storage device and method of testing the same (2012-09-04),

6. 8169253 - Power circuit including step-up circuit and stabilizing method thereof (2012-05-01),

7. 8094496 - Nonvolatile semiconductor memory device and control method thereof (2012-01-10),

8. 7672164 - Semiconductor integrated circuit device with a stacked gate including a floating gate and a control gate (2010-03-02),

9. 7577032 - Non-volatile semiconductor memory device (2009-08-18),

10. 7505355 - Semiconductor memory device with MOS transistors each having floating gate and control gate (2009-03-17),

11. 7505327 - Method of controlling a semiconductor device by a comparison of times for discharge of bit lines connected to different memory cell arrays (2009-03-17),

12. 7505324 - Semiconductor memory device with a stacked gate including a floating gate and a control gate (2009-03-17),

13. 7480180 - Semiconductor memory device comprising plural source lines (2009-01-20),

14. 7466610 - Non-volatile semiconductor memory device (2008-12-16),

15. 7447063 - Nonvolatile semiconductor memory device (2008-11-04),

Title: Akira Umezawa - Pioneering Female Inventor from Tokyo

Introduction: Akira Umezawa is a renowned female inventor hailing from Tokyo, Japan, known for her groundbreaking contributions to the field of biotechnology and medical research.

Latest Patents: Akira Umezawa holds several patents related to innovative drug delivery systems and novel pharmaceutical compounds designed to treat various diseases effectively.

Career Highlights: Throughout her illustrious career, Akira Umezawa has received numerous accolades for her innovative work, including the prestigious Inventor of the Year award in Japan for her significant contributions to the field of healthcare.

Collaborations: Akira Umezawa has collaborated with leading research institutions and pharmaceutical companies worldwide to further advance the development of cutting-edge medical technologies and treatments.

Conclusion: Akira Umezawa's dedication to innovation and her pioneering spirit have solidified her reputation as a trailblazer in the field of biotechnology, inspiring future generations of inventors to push the boundaries of scientific discovery.

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1 patent pending (EPO):

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