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For the Inventor, By the Inventor

Maebashi, Japan

Toshikazu Arai

USPTO Granted Patents = 5

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 44(Granted Patents)


Location History:

  • Maebashi, JP (1990 - 1991)
  • Ohme, JP (1990 - 1992)

Company Filing History:

goldMedal5 out of 42,508 
 
Hitachi, Ltd.
 patents
silverMedal5 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
bronzeMedal4 out of 13 
 
Akita Electronics Co., Ltd.
 patents
4. 1 out of 1 
 
Akia Electronics Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1990-1992

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5 patents (USPTO):Explore Patents
1. 5140550 - Semiconductor memory device (1992-08-18),
2. 5068828 - Semiconductor memory device (1991-11-26),
3. 4984058 - Semiconductor integrated circuit device (1991-01-08),
4. 4961164 - Semiconductor memory device with dual selection circuitry including CMOS (1990-10-02),
5. 4935898 - Semiconductor memory unit (1990-06-19),

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