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Yokohama, Japan

Tokyo Electron Device Limited

USPTO Granted Patents = 16

% Expired Patents = 25.0

Trademarks = 2

Forward Citations = 371

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14 inventors (with patents filed for the assignee):

Seiji Hiraka (3 out of 3 patents)

Yasuhiro Nakamura (2 out of 87 patents)

Takeo Yoshii (2 out of 2 patents)

4. Masahiko Shimizu (2 out of 4 patents)

5. Tsuyoshi Takahashi (2 out of 2 patents)

6. Shuichi Kikuchi (2 out of 2 patents)

7. Toshihiko Chiba (2 out of 2 patents)

8. Ryo Nakayama (1 out of 5 patents)

9. Takayoshi Narita (1 out of 1 patent)

10. Teruhiro Kawashima (1 out of 1 patent)

11. Satoshi Era (1 out of 1 patent)

12. Kazunori Asada (1 out of 1 patent)

13. Isamu Iwamoto (1 out of 1 patent)

14. Toshiya Kobayashi (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 11551112 - Information processing apparatus and storage medium (2023-01-10),

2. 7536109 - Optical network system and device, and method for controlling optical network and device (2009-05-19),

3. 7242632 - Memory device, memory managing method and program (2007-07-10),

4. 7191296 - Data writing apparatus, data writing method, and program (2007-03-13),

5. 7007140 - Storage device, storage device controlling method, and program (2006-02-28),

6. 6804730 - Access control device, access control method, recording medium, and computer data signal for controlling allowance of access to storage area using certification data (2004-10-12),

7. 6687783 - Access apparatus and method for accessing a plurality of storage device having different characteristics (2004-02-03),

8. 6490685 - Storage device having testing function and memory testing method (2002-12-03),

9. 6477632 - Storage device and accessing method (2002-11-05),

10. 6477616 - Storage device, storage system, memory management method, recording medium, and computer data signal (2002-11-05),

11. 6457126 - Storage device, an encrypting/decrypting device and method of accessing a non-volatile memory (2002-09-24),

12. 6411552 - Data processing system, block erasing type memory device and memory medium storing program for controlling memory device (2002-06-25),

13. 6401166 - Data processing system, block erasing type memory device and memory storing program for controlling memory device (2002-06-04),

14. 6226202 - Flash memory card including CIS information (2001-05-01),

15. 6209097 - Content protection method and content protection system (2001-03-27),

Tokyo Electron Device Limited is a leading supplier of semiconductors, electronic components, and network solutions. With a strong presence in the global market, the company offers a wide range of high-quality products and services to meet the diverse needs of customers. Tokyo Electron Device Limited focuses on innovative technology and strives for continuous improvement to maintain its position as a trusted partner in the electronics industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#62 in Yokohama

#3,338 in Japan

#37,766 in the World

Yokohama, Japan

Tokyo Electron Device Limited

Forward Citations = 371

14 inventors:

Seiji Hiraka (3 out of 3 patents)

Yasuhiro Nakamura (2 out of 87 patents)

Takeo Yoshii (2 out of 2 patents)

4. Masahiko Shimizu (2 out of 4 patents)

5. Tsuyoshi Takahashi (2 out of 2 patents)

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