Inventor · disambiguated record
Koich Tanaka
Also filed as: TANAKA KOICH
2 granted patents·96 citations·filing 1974–1997
62Inventor score
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2 records- 0184US6104826AMethod of watermark-embedding/extracting identification information into/from picture data and apparatus thereof, and computer readable mediumFUJITSU LTD·Filed 1997·Granted Aug 15, 2000·94 cites·17 claims
- 0230US3952425AResponse analyzerPENTEL KK·Filed 1974·Granted Apr 27, 1976·2 cites·2 claims
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