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Yoshio Sakata

USPTO Granted Patents = 5

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 33(Granted Patents)

Company Filing History:

Oki Electric Industry Co., Ltd.

1 out of 42,508

Nippon Telegraph and Telephone Public Corporation

where one patent can have more than one assignee

Years Active: 1980-2005

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6901141 - Echo canceller (2005-05-31),

2. 6839426 - Echo cancellor (2005-01-04),

3. 6289469 - Semiconductor integrated circuit having a plurality of processing circuits respectively executing necessary processes and a plurality of data holding circuits corresponding to the processing circuits (2001-09-11),

4. 5416746 - Memory circuit for alternately accessing data within a period of address (1995-05-16),

5. 4197434 - Telephone exchange apparatus (1980-04-08),

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