Masaru Nawaki

This inventor holds 45 USPTO granted patents, primarily in Semiconductor Memory. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1987-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Nawaki. Retrieved from https://idiyas.com/inventor/masaru-nawaki

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

USPTO Granted Patents = 45

% Patents Active = 35.6

Average Co-Inventor Count = 3.1

ph-index = 12

Forward Citations = 582(Granted Patents)

Company Filing History:

45 out of 25,954

Sharp Kabushiki Kaisha Corporation

patents

Years Active: 1987-2008

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Areas of Expertise:

Semiconductor Memory Device

Nonvolatile Memory Cell

Data Retention

Programming Method

Portable Electronic Apparatus

Redundancy Circuit

Memory Structure

Flash Memory

Writing Control

Display Device

Mobile Electronic Device

Integrated Circuit

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7405974 - Semiconductor memory device, page buffer resource assigning method and circuit therefor, computer system and mobile electronic device (2008-07-29),

2. 7372758 - Semiconductor memory device, method for controlling the same, and mobile electronic device (2008-05-13),

3. 7315603 - Semiconductor storage device, method for protecting predetermined memory element and portable electronic equipment (2008-01-01),

4. 7203118 - Semiconductor storage device and mobile electronic device (2007-04-10),

5. 7177188 - Semiconductor memory device, display device, and portable electronic apparatus (2007-02-13),

6. 7170791 - Programming verification method of nonvolatile memory cell, semiconductor memory device, and portable electronic apparatus having the semiconductor memory device (2007-01-30),

7. 7167402 - Semiconductor storage device, redundancy circuit thereof, and portable electronic device (2007-01-23),

8. 7161207 - Computer system, memory structure and structure for providing storage of data (2007-01-09),

9. 7139202 - Semiconductor storage device, mobile electronic apparatus, and method for controlling the semiconductor storage device (2006-11-21),

10. 7116579 - Semiconductor storage device and mobile electronic apparatus (2006-10-03),

11. 7110297 - Semiconductor storage device and mobile electronic apparatus (2006-09-19),

12. 7106630 - Semiconductor storage device, mobile electronic apparatus, method for controlling erase operation, and method for controlling program operation (2006-09-12),

13. 7102941 - Semiconductor memory device and portable electronic apparatus (2006-09-05),

14. 7092295 - Semiconductor memory device and portable electronic apparatus including the same (2006-08-15),

15. 7085166 - Semiconductor memory device and programming method thereof (2006-08-01),

Title: Innovations by Masaru Nawaki: A Pioneer in Semiconductor Memory Devices

Introduction: Masaru Nawaki, based in Nara, Japan, is a notable inventor with an impressive portfolio of 45 patents. His work primarily focuses on advancements in semiconductor memory technology, contributing significantly to the field and enhancing the efficiency of electronic devices.

Latest Patents: Among his latest patents, Nawaki has developed several innovative semiconductor memory devices. His notable inventions include a semiconductor memory device featuring a page buffer circuit that efficiently allocates resources between a memory array controller and users. This device includes memory elements structured to store electric charge effectively, ensuring stable operation even when miniaturized.

Another groundbreaking patent involves a method for controlling a memory cell array using advanced memory elements. This memory element design allows for the retention of multiple bits per cell, optimizing performance while preventing issues related to power voltage fluctuations. Such inventions are essential for the ongoing evolution of mobile electronic devices and computer systems.

Career Highlights: Nawaki's career is marked by his tenure at Sharp Kabushiki Kaisha Corporation, where he has played a significant role in semiconductor research and development. His innovative contributions have propelled the company to the forefront of the semiconductor industry, making them a key player in the market.

Collaborations: Throughout his career, Masaru Nawaki has collaborated with esteemed colleagues, including Hiroshi Iwata and Akihide Shibata. These partnerships have fostered a creative environment conducive to innovation and have significantly compounded the impact of their collective inventions in the semiconductor field.

Conclusion: Masaru Nawaki's extensive portfolio of patents and his collaborations highlight his significant contributions to semiconductor memory technology. His cutting-edge inventions are paving the way for future advancements in electronic devices, ensuring that his legacy as an inventor continues to thrive.

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]