% Expired Patents = 50.0

Trademarks = 2

Forward Citations = 10

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12 inventors (with patents filed for the assignee):

Tetsuo Endoh (1 out of 109 patents)

Fujio Masuoka (1 out of 377 patents)

Riichiro Shirota (1 out of 185 patents)

4. Masamichi Asano (1 out of 92 patents)

5. Ryouhei Kirisawa (1 out of 74 patents)

6. Tomoya Osaki (1 out of 4 patents)

7. Katsumasa Hayashi (1 out of 4 patents)

8. Toshiyuki Kondo (1 out of 24 patents)

9. Hiroshi Iwahashi (1 out of 124 patents)

10. Seishi Irie (1 out of 2 patents)

11. Ryozo Nakayama (1 out of 8 patents)

12. Satoshi Inoue (1 out of 16 patents)

2 patents: Sort by Forward Citations

1. 7078774 - Semiconductor memory device having a shallow trench isolation structure (2006-07-18),

2. 5824583 - Non-volatile semiconductor memory and method of manufacturing the same (1998-10-20),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#118 in Kawasaki

#11,133 in Japan

Kawasaki, Japan

Toshiba Microelectronics Corporation

Forward Citations = 10

12 inventors:

Tetsuo Endoh (1 out of 109 patents)

Fujio Masuoka (1 out of 377 patents)

Riichiro Shirota (1 out of 185 patents)

4. Masamichi Asano (1 out of 92 patents)

5. Ryouhei Kirisawa (1 out of 74 patents)

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

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]