Koichi Muraoka

This inventor holds 55 USPTO granted patents, primarily in Nonvolatile Memory Technology (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation. Active years: 2007-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Muraoka. Retrieved from https://idiyas.com/inventor/koichi-muraoka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 55

% Patents Active = 54.5

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 644(Granted Patents)

Forward Citations (Not Self Cited) = 610(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa, JP (2011 - 2012)
Tokyo, JP (2014)
Kanagawa-Ken, JP (2010 - 2016)
Sagamihara, JP (2007 - 2020)

Company Filing History:

53 out of 53,276

Kabushiki Kaisha Toshiba

patents

2 out of 2,955

Toshiba Memory Corporation

patents

Years Active: 2007-2020

Loading Chart...

Areas of Expertise:

Nonvolatile Memory

Semiconductor Storage

Manufacturing Method

Charge-Accumulation Insulating Film

NAND-Type Memory

Transistor Structures

Memory Device

Floating Gate

Memory Element

High-K Insulating Film

Conductive Charge Storage

Insulative Charge Storage

55 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10553729 - Nonvolatile semiconductor storage device and method for manufacturing the same (2020-02-04),

2. 10074749 - Nonvolatile semiconductor storage device and method for manufacturing the same (2018-09-11),

3. 9620653 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2017-04-11),

4. 9379320 - Nonvolatile memory device (2016-06-28),

5. 9331167 - Nonvolatile semiconductor storage device and method for manufacturing the same (2016-05-03),

6. 9252290 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2016-02-02),

7. 9246014 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2016-01-26),

8. 9012978 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2015-04-21),

9. 8987809 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2015-03-24),

10. 8796753 - Nonvolatile semiconductor storage device (2014-08-05),

11. 8779502 - Nonvolatile semiconductor memory (2014-07-15),

12. 8759896 - Non-volatile semiconductor memory using charge-accumulation insulating film (2014-06-24),

13. 8754467 - Semiconductor device, and method for manufacturing semiconductor device (2014-06-17),

14. 8710572 - Nonvolatile semiconductor storage device having conductive and insulative charge storage films (2014-04-29),

15. 8704290 - Nonvolatile semiconductor memory element, nonvolatile semiconductor memory, and method for operating nonvolatile semiconductor memory element (2014-04-22),

Title: Koichi Muraoka - Innovative Inventor from Sagamihara

Introduction: Koichi Muraoka is a renowned inventor hailing from Sagamihara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Koichi Muraoka holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his diverse range of expertise and creativity.

Career Highlights: With over two decades of experience in the industry, Koichi Muraoka has worked with leading tech companies and research institutions, spearheading projects that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Koichi Muraoka has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Koichi Muraoka's passion for pushing the boundaries of technology and his relentless pursuit of innovation continue to inspire the next generation of inventors and creators worldwide.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]