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For the Inventor, By the Inventor

Tokyo, Japan

Toshiba Memory Corporation

Calculating rank
USPTO Granted Patents = 2,955

% Expired Patents = 7.6



Trademarks = 6

Forward Citations = 6,830

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1,980 inventors (with patents filed for the assignee):

goldMedal Shinichi Kanno (103 out of 383 patents)

silverMedal Masanobu Shirakawa (86 out of 246 patents)

bronzeMedal Yoshihisa Kojima (69 out of 143 patents)

4.  Noboru Shibata (58 out of 273 patents)

5.  Tokumasa Hara (39 out of 97 patents)

6.  Daisuke Hashimoto (39 out of 122 patents)

7.  Fumitaka Arai (38 out of 203 patents)

8.  Masumi Saitoh (35 out of 85 patents)

9.  Hiroshi Maejima (35 out of 227 patents)

10.  Marie Takada (33 out of 82 patents)

11.  Hideaki Aochi (32 out of 216 patents)

12.  Yasuhito Yoshimizu (31 out of 74 patents)

13.  Toshikatsu Hida (30 out of 117 patents)

14.  Yoshiaki Fukuzumi (29 out of 305 patents)

15.  Masaru Kito (28 out of 207 patents)


Core Competencies:
Nonvolatile Memory
Data Storage System
Memory Control Method
Semiconductor Device
Memory System
Pattern Formation
Memory Device
Integrated Circuit
Substrate Processing
Magnetic Memory
Wireless Communication
Semiconductor Manufacturing

2,955 patents:

1. 12027380 - Semiconductor manufacturing apparatus and method of manufacturing semiconductor device (2024-07-02),
2. 11847350 - Storage system, information processing system and method for controlling nonvolatile memory (2023-12-19),
3. 11579773 - Memory system and method of controlling memory system (2023-02-14),
4. RE48983 - Memory device and controlling method of the same (2022-03-21),
5. 11270765 - Nonvolatile memory and writing method (2022-03-08),
6. 11260497 - Polishing apparatus and polishing pad (2022-03-01),
7. 11257802 - Semiconductor device with bonding pads and method of manufacturing the same (2022-02-22),
8. 11257751 - Semiconductor device with step-like wiring layers and manufacturing method thereof (2022-02-22),
9. 11257551 - Memory device which generates operation voltages in parallel with reception of an address (2022-02-22),
10. 11256947 - Pattern shape measuring method (2022-02-22),
11. 11251193 - Semiconductor memory device (2022-02-15),
12. 11250915 - Semiconductor memory (2022-02-15),
13. 11244730 - Memory system including the semiconductor memory and a controller (2022-02-08),
14. 11243719 - Wireless communication enabled storage device and control method therefor (2022-02-08),
15. 11238938 - Semiconductor memory device (2022-02-01),
Company Overview
Toshiba Memory Corporation, headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced semiconductor memory solutions. The company focuses on nonvolatile memory technologies, which are essential for data storage systems across various applications. Its expertise encompasses memory control methods, semiconductor devices, and integrated circuits, positioning Toshiba Memory as a key player in the global memory market. The organization is dedicated to innovation in memory systems and pattern formation, driving advancements in data storage technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Toshiba Memory Corporation USPTO Patent Assignee Logo
2,955 Patents

#42 in Tokyo

#81 in Japan

#318 in the World

Tokyo, JP
Tokyo, Japan

Toshiba Memory Corporation

Forward Citations = 6,830

1,980 inventors:

goldMedal Shinichi Kanno (103 out of 383 patents)

silverMedal Masanobu Shirakawa (86 out of 246 patents)

bronzeMedal Yoshihisa Kojima (69 out of 143 patents)

4.  Noboru Shibata (58 out of 273 patents)

5.  Tokumasa Hara (39 out of 97 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiba Memory Corporation. Retrieved from https://idiyas.com/company/toshiba-memory

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

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]
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