For the Inventor, By the Inventor

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Hitachi, Ltd., Intellectual Property Group

USPTO Granted Patents = 1

Forward Citations = 67

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6 inventors (with patents filed for the assignee):

Mitsuaki Katagiri (1 out of 63 patents)

Hideki Osaka (1 out of 58 patents)

Tatemi Ido (1 out of 34 patents)

4. Tomonori Sekiguchi (1 out of 123 patents)

5. Osamu Nagashima (1 out of 57 patents)

6. Ichiro Anjo (1 out of 43 patents)

1 patent: Sort by Forward Citations

1. 7466577 - Semiconductor storage device having a plurality of stacked memory chips (2008-12-16),

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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#5,735 in Tokyo

#15,539 in Japan

Hitachi, Ltd., Intellectual Property Group

Forward Citations = 67

6 inventors:

Mitsuaki Katagiri (1 out of 63 patents)

Hideki Osaka (1 out of 58 patents)

Tatemi Ido (1 out of 34 patents)

4. Tomonori Sekiguchi (1 out of 123 patents)

5. Osamu Nagashima (1 out of 57 patents)

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